| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| D806483 | MACKLIN | 二氟乙酸 | 98% | 30元/5g; 88元/25g; 260元/100g; 1162元/500g; | 咨询 |
储存:室温 状态:无色到黄色到棕褐色液体 折射率:n20/D 1.344(lit.) |
| D1423 | TCI | Difluoroacetic Acid | >97.0%(T) | 490元/5G; 990元/25G; | 咨询 |
基本信息 | 纯度/分析方法 | >97.0%(T) | | 分子式/分子量 | C2H2F2O2 = 96.03 | | 外观与形状(20℃) | 液体 | | 储存在惰性气体下 | 存放于惰性气体之中 | | 应避免的情况 | 湿气 (吸湿) | | Reaxys-RN | 1098588 | | PubChem物质ID | 87567926 | | SDBS (AIST Spectral DB) | 5238 | | MDL编号 | MFCD00004220 |
技术规格 | Appearance | Colorless to Yellow to Orange clear liquid | | Purity(Neutralization titration) | min. 97.0 % | | Water | max. 3.0 % |
物性(参考值) | 熔点 | 0 ℃ | | 沸点 | 135 ℃ | | 闪点 | 78 ℃ | | 比重 | 1.52 | | 折射率 | 1.34 | | 水溶性 | 完全混溶 |
安全信息 | 图形或危害标志 |  | | 信号词 | 危险 | | 危险性说明 | H314 : 造成严重皮肤灼伤和眼损伤。 H227 : 可燃液体。 H290 : 可能腐蚀金属。
| | 防范说明 | P501 : 将内装物/容器送到批准的废物处理厂处理。 P210 : 远离热源/火花/明火/热表面。禁止吸烟。 P234 : 只能在原容器中存放。 P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P370 + P378 : 火灾时:使用干砂、干粉或抗醇泡沫灭火。 P390 : 吸收溢出物,防止材料损坏。 P303 + P361 + P353 : 如皮肤(或头发)沾染:立即脱掉所有沾污的衣物。用水清洗皮肤/淋浴。 P301 + P330 + P331 : 如误吞咽:漱口。不要诱导呕吐。 P363 : 沾染的衣服清洗后方可重新使用。 P304 + P340 + P310 : 如误吸入:将人转移到空气新鲜处,保持呼吸舒适体位。立即呼叫急救中心/医生。 P305 + P351 + P338 + P310 : 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。立即呼叫急救中心/医生。 P403 + P235 : 存放在通风良好的地方。保持低温。 P406 : 贮存于抗腐蚀/带抗腐蚀衬里的容器中。 P405 : 存放处须加锁。
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相关法规 运输信息 | UN编号 | UN3265 | | 类别 | 8 | | 包装类别 | II | | 监管条件代码(*) | |
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| 136611 | J&K | Difluoroacetic Acid | 98% | 81元/5G; 162元/25G; 337元/100G; 1099元/500G; | 咨询 |
基本信息 | 分子式 | C2H2F2O2 | | 分子量 | 96.03 | | 熔点 | -1 | | 沸点 | 132-134 | | 闪点 | 78 | | 密度 | 1.526 | | 折光率(n20D) | 1.3440 | | MDL编码 | MFCD00004220 | | Beilstein | 1098588 | | EINECS 编号 | 206-839-0 |
安全信息 | 图形或危害标志 |  | | 提示语 | Danger | | 危险说明 | H314 | | 防范说明 | P280 P305+P351+P338 P310 | | UN号码 | 3265 | | 危险分类 | 8 | | 包装等级 | II | | WGK | 3 | | RTECS | AG9900000 | | TSCA | 是 |
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| A12787 | Alfa Aesar | Difluoroacetic Acid | 98% | 1286元/5g; 5892元/25g; | 咨询 |
基本信息 MDL MFCD00004220 EINECS 206-839-0 分子式 F2CHCO2H 分子量 96.03 熔点 -1° 沸点 132-134° 闪点 78°(172°F) 密度 1.526 折射率 1.3430 形态 Liquid Beilstein 1098588 GHS危害和防范说明 GHS符号
 Hazard Statements H227-H314-H318 Combustible liquid.Causes severe skin burns and eye damage.Causes serious eye damage. Precautionary Statements P210e-P260h-P303+P361+P353-P305+P351+P338-P405-P501a IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险等级 8 包装组 II 危险类别 35 Causes severe burns. 安全等级 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). 欧盟危险品标志
 RTECS AG9900000 TSCA 是 |
| C16212 | Alfa Aesar | Difluoroacetic Acid | 98% | 706元/2.5ml; 1606元/10ml; 5667元/50ml; | 咨询 |
基本信息 Ref# 16212 MDL 4220 分子式 C2 H2 F2 O2 分子量 96.03 闪点 78 密度 1.52 安全信息 危险等级 8 包装组 II |
| 00922 | Supelco | Difluoroacetic Acid | for LC-MS LiChropur™, ≥97.5% (GC) | 555.84元/1ML; 3520.49元/10X1ML; 10675.9元/50ML; | 咨询 |
产品说明 一般描述 Compared to trifluoroacetic acid (TFA), difluoroacetic acid (DFA) exhibits an improved sensitivity in mass spectral detection (ESI) as it has a reduced effect on ion suppression in reversed-phase liquid chromatography (RPLC-MS), while keeping its strong chromatographic performance enhancing effects. 推荐产品 Discover LiChropur™ reagents ideal for HPLC or LC-MS analysis 法律信息 LiChropur is a trademark of Merck KGaA, Darmstadt, Germany 基本信息 | 线性分子式 | F2CHCO2H | | 分子量 | 96.03 | | Beilstein | 1098588 | | MDL编号 | MFCD00004220 |
产品性质 | 测定 | ≥97.5% (GC) 97.5-102.5% (T) | | technique(s) | HPLC: suitable LC/MS: suitable | | 折射率 | n20/D 1.344 (lit.) | | bp | 132-134 ℃ (lit.) | | mp | −1 ℃ (lit.) | | 密度 | 1.526 g/mL at 25 ℃ (lit.) | | 痕量阳离子 | Al: ≤5 ppm Ca: ≤20 ppm Cu: ≤5 ppm Fe: ≤2 ppm K: ≤50 ppm Mg: ≤5 ppm Na: ≤50 ppm | | 适用性 | passes test for LC-MS | | SMILES string | OC(=O)C(F)F | | InChI | 1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6) | | InChI key | PBWZKZYHONABLN-UHFFFAOYSA-N |
安全信息 | 象形图 |  | | 警示用语: | Danger | | 危险声明 | H314 | | 预防措施声明 | P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 | | 危险分类 | Skin Corr. 1B | | 储存分类代码 | 8A - Combustible, corrosive hazardous materials | | WGK | WGK 3 | | 闪点(F) | 172.4 °F - closed cup | | 闪点(C) | 78 ℃ - closed cup |
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| 142859 | Sigma-Aldrich | Difluoroacetic Acid | 98% | 1133.08元/5 G; 1345.51元/25 G; | 咨询 |
产品说明 包装 5, 25 g in glass bottle 应用 用于在三苯基膦的介导下,由邻位取代苯胺制备 2-二氟化甲基苯并咪唑、-噁唑和-噻唑。 基本信息 | 线性分子式 | F2CHCO2H | | 分子量 | 96.03 | | Beilstein | 1098588 | | EC 号 | 206-839-0 | | MDL编号 | MFCD00004220 | | PubChem化学物质编号 | 24848539 | | NACRES | NA.22 |
产品性质 | 质量水平 | 200 | | 测定 | 98% | | 形式 | liquid | | 折射率 | n20/D 1.344 (lit.) | | bp | 132-134 ℃ (lit.) | | mp | −1 ℃ (lit.) | | 密度 | 1.526 g/mL at 25 ℃ (lit.) | | SMILES string | OC(=O)C(F)F | | InChI | 1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6) | | InChI key | PBWZKZYHONABLN-UHFFFAOYSA-N |
安全信息 | 象形图 |  | | 警示用语: | Danger | | 危险声明 | H314 | | 预防措施声明 | P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 | | 危险分类 | Skin Corr. 1B | | 储存分类代码 | 8A - Combustible, corrosive hazardous materials | | WGK | WGK 3 | | 闪点(F) | 172.4 °F - closed cup | | 闪点(C) | 78 ℃ - closed cup | | 个人防护装备 | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter |
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| 001231 | Fluorochem | Difluoroacetic Acid | 98% | 220元/5g; 264元/25g; 924元/100g; | 咨询 |
基本信息 | CAS Number | 381-73-7 | | MDL Number | MFCD00004220 | | Boiling Point | 136.84℃ | | Density | 1.52 |
安全信息 | 图形或危害标志 |  | | 危险性说明 | H314: Causes severe skin burns and eye damage. H318: Causes serious eye damage.
| | 防范说明 | P260: Do not breathe P264: Wash hands thoroughly after handling. P280: Wear . P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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. P310: Immediately call a POISON CENTER or doctor/physician. P321: Specific treatment (see . on this label). P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to local regulations..
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