| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| C805022 | MACKLIN | 无水柠檬酸 | 分析对照品 | 39元/20mg; | 咨询 |
储存：室温 状态：白色到灰白色粉末或晶体 折射率：1.493~1.509 |
| C805021 | MACKLIN | 无水柠檬酸 | 细胞培养专用,97.0%(GC) | 62元/100g; 93元/500g; 356元/2.5kg; 1092元/10kg; 1069元/12X500g; | 咨询 |
储存：室温 状态：白色到灰白色粉末或晶体 折射率：1.493~1.509 |
| C805019 | MACKLIN | 柠檬酸 | ≥99.5%(T) | 36元/100g; 52元/500g; 88元/1kg; 354元/5kg; 1420元/25kg; 605元/12X500g; | 咨询 |
储存：室温 状态：白色到灰白色粉末或晶体 折射率：1.493~1.509 |
| C1949 | TCI | Citric Acid | >98.0%(T) | 295元/500G; | 咨询 |
基本信息 | 纯度/分析方法 | >98.0%(T) | | 分子式/分子量 | C6H8O7 = 192.12 | | 外观与形状(20℃) | 固体 | | Reaxys-RN | 782061 | | PubChem物质ID | 87558243 | | Merck Index (14) | 2326 |
技术规格 | Appearance | White to Almost white powder to crystal | | Purity(Neutralization titration) | min. 98.0 % | | Solubility in Methanol | almost transparency |
物性(参考值) | 熔点 | 154 ℃ | | 水溶性 | 完全溶解 | | 在水中的溶解度 | 590 g/l 20 ℃ | | 溶解性(易溶于) | 醇 | | 溶解性(可溶于) | 乙醚,氯仿 | | 溶解性(不溶于) | 苯 |
安全信息 | 图形或危害标志 |  | | 信号词 | 警告 | | 危险性说明 | H303 : 吞咽可能有害。
H316 : 造成轻微皮肤刺激。
H319 : 造成严重眼刺激。
| | 防范说明 | P264 : 作业后彻底清洗皮肤。
P280 : 戴防护眼罩/戴防护面具。
P312 : 如感觉不适，呼叫急救中心/医生。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P332 + P313 : 如发生皮肤刺激：求医/就诊。
|
相关法规 |
| 947677 | J&K | Citric Acid | 98%, 无水 | 62元/100G; 75元/500G; 301元/2.5KG; | 咨询 |
基本信息 | 分子式 | C6H8O7 | | 分子量 | 192.12 | | 熔点 | 153-159 | | MDL编码 | MFCD00011669 | | EINECS 编号 | 201-069-1 |
安全信息 | 图形或危害标志 |  | | 提示语 | Warning | | 危险说明 | H319 | | 防范说明 | P305+P351+P338 | | WGK | 1 | | RTECS | GE7350000 | | TSCA | 是 |
|
| 958140 | J&K | Citric Acid | 99.5%, 无水, ACS级 | 207元/100G; 417元/500G; 1470元/2.5KG; | 咨询 |
基本信息 | 分子式 | C6H8O7 | | 分子量 | 192.12 | | 熔点 | 153-159 | | MDL编码 | MFCD00011669 | | EINECS 编号 | 201-069-1 |
安全信息 | 图形或危害标志 | | | 提示语 | Warning | | 危险说明 | H319 | | 防范说明 | P305+P351+P338 | | WGK | 1 | | RTECS | GE7350000 | | TSCA | 是 |
|
| A10395 | Alfa Aesar | Citric Acid | 99+% | 247元/250g; 536元/1000g; 2168元/5000g; | 咨询 |
应用
Citric acid is the most widely used organic acid and pH-control agent in foods, beverages, pharmaceuticals and technical applications. Used in pharmaceutical preparations, especially in effervescent tablets. It is used as a natural preservative. 备注
Hygroscopic. Incompatible with alkalies, bases, metal nitrates and oxidizing agents. 基本信息 MDL
MFCD00011669 EINECS
201-069-1 分子式
C6H8O7 分子量
192.13 熔点
153-154° 密度
1.665 灵敏度
Ambient temperatures. 形态
Crystalline powder 溶解性
Soluble in water, alcohol, ether, dimethylsufoxide and ethylacetate. Beilstein
782061 Merck
14,2326 GHS危害和防范说明 GHS符号
Hazard Statements
H303-H315-H318-H335
May be harmful if swallowed.Causes skin irritation.Causes serious eye damage.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
37/38-41
Irritating to respiratory system and skin.Risk of serious damage to eyes. 安全等级
26-37/39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.This material and its container must be disposed of as hazardous waste RTECS
GE7350000 TSCA
是 |
| 036664 | Alfa Aesar | Citric Acid | anhydrous, ACS, 99.5+% | 343元/100g; 692元/500g; 3063元/2kg; | 咨询 |
应用
Citric acid is the most widely used organic acid and pH-control agent in foods, beverages, pharmaceuticals and technical applications. Used in pharmaceutical preparations, especially in effervescent tablets. It is used as a natural preservative. Grade Specifications
Maximum level of impurities: Insoluble matter 0.005%, Residue after ignition 0.02%, Cl 0.001%, C2O4 P.T. (limit about 0.05%), PO4 0.001%, SO4 0.002%, Fe 3ppm, Pb 2ppm, Substances carbonizable by hot sulfuric acid (tartrates, etc.) P.T. 备注
Citric acid anhydrous is non-toxic. It is chemically stable if stored at ambient temperatures. Stability tests have shown that citric acid anhydrous is chemically stable for at least five years in tightly closed containers under proper storage conditions. Hygroscopic. 基本信息 MDL
MFCD00011669 EINECS
201-069-1 分子式
C6H8O7 分子量
192.13 熔点
153-154° 密度
1.665 灵敏度
Hygroscopic. Ambient temperatures. 形态
Crystalline 溶解性
It is very soluble in water, freely soluble in ethanol (96 %) and sparingly soluble in ether. Beilstein
782061 Merck
14,2326 GHS危害和防范说明 GHS符号
Hazard Statements
H303-H315-H318-H335
May be harmful if swallowed.Causes skin irritation.Causes serious eye damage.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
37/38-41
Irritating to respiratory system and skin.Risk of serious damage to eyes. 安全等级
26-37/39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.This material and its container must be disposed of as hazardous waste RTECS
GE7350000 TSCA
是 |
| J13729 | Alfa Aesar | Citric Acid | anhydrous, 99.5-100.5% (dry basis), Thermo Scientific | 767元/500g; 1095元/1kg; | 咨询 |
基本信息 MDL
MFCD00011669 EINECS
201-069-1 分子量
192.12 熔点
153-154° 密度
1.665 灵敏度
Ambient temperatures. 形态
Crystalline powder Beilstein
782061 Merck
14,2326 安全信息 危险类别
37/38-41
Irritating to respiratory system and skin.Risk of serious damage to eyes. 安全等级
26-37/39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.This material and its container must be disposed of as hazardous waste RTECS
GE7350000 TSCA
是 |
| C22034 | Alfa Aesar | Citric Acid | 99.5%, for analysis, anhydrous | 666元/100g; 853元/500g; 2732元/2.5kg; | 咨询 |
基本信息 Ref#
22034 MDL
11669 分子式
C6 H8 O7 分子量
192.13 闪点
100 形态
Crystalline |
| C11045 | Alfa Aesar | Citric Acid | 99%, pure, anhydrous | 1035元/1kg; 4116元/5kg; 4917元/25kg; | 咨询 |
基本信息 Ref#
11045 MDL
11669 分子式
C6 H8 O7 分子量
192.13 闪点
100 形态
Crystalline |
| C32986 | Alfa Aesar | Citric Acid | for molecular biology, anhydrous, Rnase and Protease free | 1738元/1kg; | 咨询 |
基本信息 Ref#
32986 MDL
11669 分子式
C6 H8 O7 分子量
192.13 闪点
100 |
| A940-500 | Alfa Aesar | CITRIC ACID ANHYD CRT ACS 500G | | 396元/500g; | 咨询 |
基本信息 Ref#
F50235 MDL
MFCD00011669 分子式
HOCOCH{2}C(OH)(COOH)CH{2}COOH 分子量
192.13 形态
Solid |
| T_702C624053 | Alfa Aesar | Citric Acid | anhydrous, extra pure, SLR, Eur.Ph., BP,USP 500 | 331元/500g; | 咨询 |
基本信息 Ref#
F50618 MDL
MFCD00011669 分子式
HOCOCH{2}C(OH)(COOH)CH{2}COOH 分子量
192.13 形态
Solid |
| A940-1 | Alfa Aesar | CITRIC ACID ANHYD CERT ACS 1KG | | 560元/1kg; | 咨询 |
基本信息 Ref#
F50756 MDL
MFCD00011669 分子式
HOCOCH{2}C(OH)(COOH)CH{2}COOH 分子量
192.13 形态
Solid |
| A940-250LB | Alfa Aesar | CITRIC ACID ANHY ACS 250LB | | 28129元/250lb; | 咨询 |
|
| A95-250LB | Alfa Aesar | CITRIC ACID ANHY USP 250LB | | 29952元/250lb; | 咨询 |
|
| A95-3 | Alfa Aesar | CITRIC ACID ANH USP/FCC 3KG | | 1445元/3kg; | 咨询 |
|
| BP339-500 | Alfa Aesar | CITRIC ACID 500G | | 360元/500g; | 咨询 |
|
| R11150 | Alfa Aesar | Citric acid Standard solution | 100ppm | 210元/1ml; | 咨询 |
|
| PHR1071 | Supelco | Citric acid, Anhydrous | Pharmaceutical Secondary Standard; Certified Reference Material | 1359.83元/1 G; | 咨询 |
产品说明 一般描述 用于质量控制的药物二级标准品，为制药实验室和制造商制备内部工作标准品提供了一种方便、高性价比的替代方案。
柠檬酸是药物制剂中的一种常见成分。由于它与碳酸盐或碳酸氢盐结合产生的起泡作用，它可用于抗酸剂和洁齿剂中。柠檬酸也可用作缓冲剂，它有助于悬浮液的分散，从而确保活性成分的稳定性并增强抗氧化剂的功效。 应用 无水柠檬酸可以用作参考标准品，通过分光光度法对生物流体中存在的柠檬酸浓度进行测定。
无水柠檬酸可用作药物参考标准品，用于通过各种色谱技术测定药物制剂和牛奶样品中的分析物。
这些二级标准品是经过检验的认证标准物质(CRM)。它们适用于多种分析应用，包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他标定应用。 分析说明 这些二级标准品可追溯至USP、EP(PhEur)和BP一级标准品。 其他说明 该认证标准物质(CRM)根据ISO 17034 和 ISO/IEC 17025进行生产和认证。有关此CRM使用的所有信息均可在分析证书上找到。 附注 要查看该材料的分析证书示例，请在下面的栏位中输入LRAB7603。这只是一个示例证书，可能不是您收到的批次。 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 329823094 | | NACRES | NA.24 |
产品性质 | 质量水平 | 300 | | 等级 | certified reference material
pharmaceutical secondary standard | | CofA | current certificate can be downloaded | | expl. lim. | 8 %, 65 °F | | technique(s) | HPLC: suitable
gas chromatography (GC): suitable | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | 药典可追溯性 | traceable to PhEur A1202000
traceable to USP 1134368 | | 储存温度 | 2-30℃ | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| 251275 | Sigma-Aldrich | Citric Acid | ACS reagent, ≥99.5% | 558.34元/5 G; 615.84元/100 G; 995.65元/500 G; 1831.65元/1 KG; 3442.82元/2.5 KG; 8082.7元/12 KG; | 咨询 |
产品说明 一般描述 柠檬酸是一种常用作螯合剂、缓冲剂的有机酸，用于pH的调整和衍生化。 应用 柠檬酸已用于制备: - 柠檬酸磷酸盐缓冲液用于酶联免疫吸附测定。
- 柠檬酸盐稳定的二氧化铈水溶胶，其可用于合成氧化铈纳米颗粒。
- 柠檬酸-Na2HPO4缓冲储备溶液用于粪便脲酶活性的测定。
- 抗凝血柠檬酸葡萄糖溶液A(ACD-A)，可用于分离血液来源的内皮祖细胞。
柠檬酸还可用于： - 在一种新方法中，它可实现在合成钯立方八面体时对粒子的大小进行控制。
- 通过自下而上碳化法制备柠檬酸衍生的碳纳米点(CND)。
- 作为一种双组分螯合剂，通过一种新型的溶胶-凝胶法合成Li4Ti5O12(钛酸锂)。
包装 5, 100, 500 g in poly bottle
1, 2.5 kg in poly bottle
12 kg in fiber drum 其他说明 访问Redi-Dri™产品列表 791725 法律信息 Redi-Dri is a trademark of sigma-aldrich Co. LLC 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 24855122 |
产品性质 | 质量水平 | 200 | | 等级 | ACS reagent | | 测定 | ≥99.5% | | 形式 | crystals | | expl. lim. | 8 %, 65 °F | | 杂质 | Substances carbonizable by hot sulfuric acid, passes test | | 灼烧残渣 | ≤0.02% | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 痕量阴离子 | chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test (limit about 0.003%)
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002% | | 痕量阳离子 | Fe: ≤3 ppm
Pb: ≤2 ppm | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N | | Gene Information | human ... SRC(6714) |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
|
| C0759 | Sigma-Aldrich | Citric Acid | 99% | 273.45元/100 G; 606.74元/500 G; 1049.95元/1 KG; 4448.91元/5 KG; | 咨询 |
产品说明 一般描述 柠檬酸是一种广泛用于食品和制药工业的有机酸。在工业规模上，通常通过使用真菌黑曲霉(Aspergillus niger)对糖蜜进行深层发酵来生产。对精制甘油酯油和脂肪中的柠檬酸进行电解测定已有研究。一种使用柠檬酸从组织中除去钙而不改变其抗原性质的方法已有报道。 包装 1 kg in poly bottle
100, 500 g in poly bottle
5 kg in poly drum 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 329774820 | | NACRES | NA.21 |
产品性质 | 质量水平 | 200 | | 测定 | 99% | | expl. lim. | 8 %, 65 °F | | pKa (25 ℃) | (1) 3.13, (2) 4.76, (3) 6.40 | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: soluble 383 g/L at 25 ℃ | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
|
| 791725 | Sigma-Aldrich | Citric Acid | anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5% | 867元/100 G; 1085.08元/500 G; 1462.41元/1 KG; 3473.25元/2.5 KG; 4906.53元/6 X 1 KG; 9322.4元/12 KG; | 咨询 |
产品说明 一般描述 柠檬酸也称为2-羟基-丙烷-1,2,3-三羧酸，是所有生物体中三羧酸循环的组分之一。柠檬酸的工业生产使用真菌、酵母和柑橘类水果作为主要来源。黑曲霉(Aspergillus niger) 主要用于通过发酵生产柠檬酸 锰可抑制柠檬酸的发酵生成 口服补充柠檬酸可促进线粒体中的三羧酸循环和氧化磷酸化，以减轻身体疲劳。 应用 柠檬酸已被用作柠檬酸盐缓冲液 和无铁Suton培养基的组分。它已被用在杂交链反应缓冲液中，用于睾丸切片的盖玻片的预平衡。 包装 1 kg in poly bottle
2.5, 12 kg in poly drum
100, 500 g in poly bottle 法律信息 Redi-Dry™是sigma-aldrich公司的商标
Redi-Dri is a trademark of sigma-aldrich Co. LLC 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | PubChem化学物质编号 | 329768287 | | NACRES | NA.21 |
产品性质 | 质量水平 | 200 | | 等级 | ACS reagent
anhydrous | | 产品线 | Redi-Dri™ | | 测定 | ≥99.5% | | 形式 | crystals | | 质量 | free-flowing | | expl. lim. | 8 %, 65 °F | | 杂质 | Substances carbonizable by hot sulfuric acid, passes test | | 灼烧残渣 | ≤0.02% | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 痕量阴离子 | chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test (limit about 0.003%)
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002% | | 痕量阳离子 | Fe: ≤3 ppm
Pb: ≤2 ppm | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| 27109 | Sigma-Aldrich | Citric Acid | meets analytical specification of Ph. Eur., BP, USP, E330, anhydrous, 99.5-100.5% (based on anhydrous substance) | 602.67元/100 G; 2170.65元/1 KG; 2946.69元/2.5 KG; 6206.93元/6 X 1 KG; 10522元/6 X 2.5 KG; 13017.8元/25 KG; | 咨询 |
产品说明 应用 以柠檬酸为测试试剂，研究新型哒嗪基哌嗪类似物 TPRV-1 抑制剂能否减轻柠檬酸和辣椒素诱发的豚鼠咳嗽反射。 包装 1, 6×1 kg in poly bottle 生化/生理作用 膳食形式的柠檬酸可促进抗酸剂中铝的吸收。它还能促进重金属污染土壤的植物修复，并能将镉转化为更易迁移的形式。 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 329752978 | | NACRES | NA.21 |
产品性质 | 质量水平 | 200 | | 测定 | 99.5-100.5% (based on anhydrous substance) | | 形式 | grit | | 质量 | anhydrous
meets analytical specification of Ph. Eur., BP, USP, E330 | | expl. lim. | 8 %, 65 °F | | 杂质 | residual solvents, complies
≤0.0005% heavy metals (as Pb)
≤0.5% water (Karl Fischer) | | 灼烧残渣 | ≤0.05% (as SO4) | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: 383 g/L at 25 ℃ | | 痕量阴离子 | chloride (Cl-): ≤50 ppm
oxalate (as oxalic acid): ≤100 ppm
sulfate (SO42-): ≤100 ppm | | 痕量阳离子 | As: ≤1 ppm
Ca: ≤200 ppm
Cu: ≤10 ppm
Fe: ≤10 ppm
Hg: ≤1 ppm
Pb: ≤0.5 ppm
Zn: ≤10 ppm | | 适用性 | complies for appearance of solution
complies for reaction against H2SO4 | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N | | Gene Information | human ... SRC(6714) |
|
| C2404 | Sigma-Aldrich | Citric Acid | anhydrous, suitable for cell culture, suitable for plant cell culture | 424.9元/100 G; 739.54元/500 G; | 咨询 |
产品说明 包装 100, 500 g in poly bottle 应用 除了用作铁螯合剂外，在细胞培养应用中柠檬酸盐还可支持胆固醇/甾醇、泛醌和类异戊二烯的生物合成。 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 24892327 |
产品性质 | 质量水平 | 200 | | 测定 | ≥97% (GC) | | 形式 | powder | | expl. lim. | 8 %, 65 °F | | technique(s) | cell culture | mammalian: suitable
cell culture | plant: suitable | | pH值(酸碱度) | 1.8 (25 ℃, 50 g/L) | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: 50 mg/mL, clear to very slightly hazy, colorless | | 密度 | 1.67 g/cm3 at 20 ℃ | | web metadata keyword.default | Metal chelator, iron delivery, cholesterol/sterol biosynthesis | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N | | Gene Information | human ... SRC(6714) |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
|
| 27487 | Sigma-Aldrich | Citric Acid | BioUltra, anhydrous, ≥99.5% (T) | 471.13元/50 G; 534.34元/250 G; 1520.89元/1 KG; | 咨询 |
产品说明 一般描述 柠檬酸是三柱氨基酸分析的缓冲成分。是放射性碘化抗体从活的鼠肿瘤细胞中解离的最佳缓冲液。 其他说明 斯克里普斯代谢组学和质谱技术中心独立生成的串联质谱数据可在PDF 27487.pdf 中查看或下载。斯克里普斯代谢物组学和质谱技术中心的METLIN代谢物数据库中有测试代谢物。要了解更多信息，请访问sigma.com/metlin。 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 57648248 | | NACRES | NA.25 |
产品性质 | 质量水平 | 200 | | 产品线 | BioUltra | | 测定 | ≥99.5% (T) | | 形式 | powder or crystals | | expl. lim. | 8 %, 65 °F | | technique(s) | cell culture | hybridoma: suitable | | 杂质 | insoluble matter, passes filter test | | 灼烧残渣 | ≤0.05% (as SO4) | | 缺失 | ≤0.5% loss on drying, 110 ℃ | | pH值(酸碱度) | 1.0-2.0 (25 ℃, 1 M in H2O) | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | H2O: 1 M at 20 ℃, clear, colorless | | 痕量阴离子 | chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤500 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
tartrate (C4H4O62-): ≤2000 mg/kg | | 痕量阳离子 | Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg | | λmax | 260 nm (Amax: ≤0.20)
280 nm (Amax: ≤0.10) | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | λ | 1 M in H2O | | 紫外吸收 | λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10 | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N | | Gene Information | human ... SRC(6714) |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
|
| W230618 | Sigma-Aldrich | Citric Acid | ≥99.5%, FCC, FG | 404.65元/; 1116.64元/1 KG; 1634.07元/10 KG; 2194.35元/25 KG; | 咨询 |
产品说明 一般描述 柠檬酸是一种重要的有机酸，广泛用于食品工业，作为pH调节剂、调味剂、抗菌剂、膨松剂和抗氧化剂。 用低浓度的柠檬酸和甘氨酸混合物处理马铃薯类食品，可以减少丙烯酰胺的形成，并且对风味的影响极小。 柠檬酸也是食品和饮料的有效抗褐变剂，因为它能够抑制引起褐变的多酚氧化酶(PPO)的活性。 包装 10, 25 kg in fiber drum
1 kg in poly bottle 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | FEMA编号 | 2306 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | 欧洲委员会编号 | 20c | | MDL编号 | MFCD00011669 | | PubChem化学物质编号 | 24900992 | | NACRES | NA.21 |
产品性质 | 质量水平 | 400 | | 生物来源 | synthetic | | 等级 | FG
Halal
Kosher | | reg. compliance | EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117
FDA 21 CFR 184.1033 | | 测定 | ≥99.5% | | 形式 | powder or granules | | expl. lim. | 8 %, 65 °F | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: 383 g/L at 25 ℃ | | 痕量阳离子 | As: ≤3.0 ppm
Cd: ≤1.0 ppm
Hg: ≤1.0 ppm
Pb: ≤0.5 ppm | | 文件 | see Safety & Documentation for available documents | | 性状检查 | odorless | | application(s) | flavors and fragrances | | 食品过敏原 | no known allergens | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N | | Gene Information | human ... SRC(6714) |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
|
| W230633 | Sigma-Aldrich | Citric Acid | natural, ≥99.5%, FCC, FG | 489元/; 1727.11元/1 KG; 3062.33元/10 KG; | 咨询 |
基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | FEMA编号 | 2306 | | Beilstein | 782061 | | MDL编号 | MFCD00011669 | | E编号 | E 330 |
产品性质 | 质量水平 | 400 | | 生物来源 | botanical | | 等级 | FG
Halal
Kosher
natural | | agency | follows IFRA guidelines | | reg. compliance | EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117 | | 测定 | ≥99.5% | | 形式 | crystals, granules or powder | | expl. lim. | 8 %, 65 °F | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 密度 | 1.67 g/cm3 at 20 ℃ | | 痕量阳离子 | As: ≤3.0 ppm
Cd: ≤1.0 ppm
Hg: ≤1.0 ppm
Pb: ≤0.5 ppm | | 文件 | see Safety & Documentation for available documents | | 性状检查 | odorless | | application(s) | flavors and fragrances | | 食品过敏原 | no known allergens | | 致敏芳香化合物 | no known allergens | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| 1134368 | USP | Citric Acid | United States Pharmacopeia (USP) Reference Standard | 3633.89元/200 MG; | 咨询 |
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia. 分析说明 These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. 其他说明 USP issued SDS can be found here.
Sales restrictions may apply. 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | MDL编号 | MFCD00011669 | | PubChem化学物质编号 | 329749410 | | NACRES | NA.24 |
产品性质 | 等级 | pharmaceutical primary standard (unable to validate for USP) | | expl. lim. | 8 %, 65 °F | | manufacturer/tradename | USP | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: 383 g/L at 25 ℃ | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| A1202000 | | Citric Acid | anhydrous, European Pharmacopoeia (EP) Reference Standard | 1572.27元/ ; | 咨询 |
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia. 包装 Unit quantity: 50 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue. 注意 Please find SDS provided by EDQM here.. 其他说明 Sales restrictions may apply. 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | MDL编号 | MFCD00011669 | | PubChem化学物质编号 | 329770684 | | NACRES | NA.24 |
产品性质 | 等级 | pharmaceutical primary standard | | agency | EP reference standard | | 质量 | anhydrous | | expl. lim. | 8 %, 65 °F | | manufacturer/tradename | EDQM | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | 储存温度 | 2-8℃ | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| V900019 | Sigma-Aldrich | Citric Acid | Vetec™, reagent grade, 99% | 195.21元/500 G; | 咨询 |
产品说明 包装 500, 6×500 g in poly bottle 法律信息 Vetec is a trademark of sigma-aldrich International GmbH 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | PubChem化学物质编号 | 329829451 |
产品性质 | 等级 | reagent grade | | 产品线 | Vetec™ | | 测定 | 99% | | 形式 | crystals or granules | | expl. lim. | 8 %, 65 °F | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | 溶解性 | water: 50 mg/mL, clear to very slightly hazy, colorless | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| 8.18707 | Sigma-Aldrich | Citric Acid | anhydrous for synthesis | 752.92元/1 KG; 1799.12元/5 KG; | 咨询 |
产品说明 分析说明 Assay (alkalimetric): ≥ 99 %
Identity (IR-spectrum): passes test 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | MDL编号 | MFCD00011669 | | EC索引号 | 201-069-1 |
产品性质 | 质量水平 | 200 | | 蒸汽压 | <0.1 hPa ( 20 ℃) | | 测定 | ≥99% (alkalimetric) | | 形式 | solid | | 效能 | 3000 mg/kg LD50, oral (Rat) | | expl. lim. | 8 %, 65 °F | | pH值(酸碱度) | 1.7 (20 ℃, 100 g/L in H2O) | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | bp | 200 ℃/1013 hPa (decomposition) | | mp | 153-159 ℃ (lit.) | | 溶解性 | 1330 g/L | | 密度 | 1.665 g/cm3 at 18 ℃ | | 堆积密度 | 560 kg/m3 | | 储存温度 | 15-25℃ | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
|
| 94676 | Supelco | Citric Acid | certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | 1750.6元/100 mg; | 咨询 |
产品说明 一般描述 该认证标准物质(CRM)根据ISO/IEC 17025和ISO 17034进行生产和认证。该CRM可追溯来自NMI的原始材料，如NIST或NMIJ。
NMR定量信息已包括在认证内容中。证书上已给出不确定性和失效日期。
请访问http://www.sigma-aldrich.com下载您的证书。 应用 有关合适仪器技术的更多信息，请参考产品分析证书。如需进一步支持，请联系技术服务。 包装 无底玻璃瓶。内含物在插入的融合锥体内。 法律信息 TraceCERT is a registered trademark of sigma-aldrich Co. LLC 基本信息 | 线性分子式 | HOC(COOH)(CH2COOH)2 | | 分子量 | 192.12 | | Beilstein | 782061 | | EC 号 | 201-069-1 | | MDL编号 | MFCD00011669 | | eCl@ss | 39021801 | | PubChem化学物质编号 | 329770375 | | E编号 | E330 | | NACRES | NA.24 |
产品性质 | 质量水平 | 300 | | 等级 | certified reference material
TraceCERT® | | 保质期 | limited shelf life, expiry date on the label | | expl. lim. | 8 %, 65 °F | | technique(s) | HPLC: suitable
gas chromatography (GC): suitable | | pKa | (1) 3.13, (2) 4.76, (3) 6.4 | | mp | 153-159 ℃ (lit.) | | application(s) | cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care | | 格式 | neat | | SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O | | InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) | | InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H319 | | 预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 | | 危险分类 | Eye Irrit. 2 | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| BIOC-010N-25MG | AccuStandard | Citric Acid | | 232元/25mg; | 咨询 |
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| 044712 | Fluorochem | Citric acid, Anhydrous | 99% | 220元/100g; 374元/1kg; 1628元/5kg; | 咨询 |
基本信息 | CAS Number | 77-92-9 | | MDL Number | MFCD00149972 | | Melting Point | 153℃ | | Density | 1.665 |
安全信息 | 图形或危害标志 | | | 危险性说明 | H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed.
P260: Do not breathe
P261: Avoid breathing
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P304: IF INHALED: .
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to .
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