CAS 4940-39-0; 色酮-2-甲酸; chromocarbe

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货号

品牌

产品名称

规格

包装、参考价格

O793857

MACKLIN

色酮-2-甲酸

10mM in DMSO

201元/1ml;

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储存：-20°C

O802412

MACKLIN

色酮-2-甲酸

97%

29元/1g; 59元/5g; 210元/25g;

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储存：室温
状态：灰白色到米黄色粉末

O0290

TCI

Chromone-2-carboxylic Acid

>98.0%(T)(HPLC)

990元/5G; 3990元/25G;

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基本信息

纯度/分析方法	>98.0%(T)(HPLC)
分子式/分子量	C₁₀H₆O₄ = 190.15
外观与形状(20℃)	固体
Reaxys-RN	146442
PubChem物质ID	87574276
Merck Index (14)	2237
MDL编号	MFCD00006838

技术规格

Appearance	White to Light yellow to Light orange powder to crystal
Purity(HPLC)	min. 98.0 area%
Purity(Neutralization titration)	min. 98.0 %

安全信息

图形或危害标志
信号词	警告
危险性说明	H315 : 造成皮肤刺激。 H319 : 造成严重眼刺激。
防范说明	P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/戴防护眼罩/戴防护面具。 P302 + P352 : 如皮肤沾染：用水充分清洗。 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。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P332 + P313 : 如发生皮肤刺激：求医/就诊。

相关法规

RTECS#

DJ2476000

389298

J&K

Chromone-2-carboxylic Acid

97%

346元/5G;

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基本信息

分子式	C₁₀H₆O₄
分子量	190.15
熔点	260
MDL编码	MFCD00006838
Beilstein	146442
Merck	14,2237
EINECS 编号	225-583-0

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
RTECS	DJ2476000
TSCA	否

A13552

Alfa Aesar

Chromone-2-carboxylic Acid

97%

1100元/5g; 4371元/25g; 15569元/100g;

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应用
Chromone-2-carboxylic acid is used in the cyclic form 3?-oxopyrazolidino[4?,5??2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones and it is an orally active antiallergic agent.

备注
Keep container tightly closed. Store away from oxidizing agents.

基本信息

MDL
MFCD00006838

EINECS
225-583-0

分子式
C₁₀H₆O₄

分子量
190.15

熔点
ca 260° dec.

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in alcohol, water, DMSO, hot methanol, and ethanol.

Beilstein
146442

Merck
14,2237

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.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
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

RTECS
DJ2476000

TSCA
否

C12388

Alfa Aesar

4-Oxo-4H-1-benzopyran-2-carboxylic Acid

97%

813元/5g; 2860元/25g;

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基本信息

Ref#
12388

189782

Sigma-Aldrich

4-Oxo-4H-1-benzopyran-2-carboxylic acid

97%

419.42元/5 G;

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产品说明

一般描述

Nasal absorption of 4-oxo-4H-1-benzopyran-2-carboxylic acid has been investigated in the male Wistar rat.

包装

5 g in glass bottle

基本信息

经验(实验)分子式	C₁₀H₆O₄
分子量	190.15
EC 号	225-583-0
MDL编号	MFCD00006838
PubChem化学物质编号	24851396
NACRES	NA.22

产品性质

测定	97%
形式	powder
mp	260 ℃ (dec.) (lit.)
溶解性	alcohol: soluble ammonium hydroxide: soluble water: very slightly soluble
SMILES string	OC(=O)C1=CC(=O)c2ccccc2O1
InChI	1S/C10H6O4/c11-7-5-9(10(12)13)14-8-4-2-1-3-6(7)8/h1-5H,(H,12,13)
InChI key	RVMGXWBCQGAWBR-UHFFFAOYSA-N
Gene Information	human ... PTPN1(5770)

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319 - H335
预防措施声明	P302 + P352 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves

364140

Fluorochem

4-Oxo-4H-chromene-2-carboxylic acid

97%

220元/1g; 352元/5g; 572元/10g;

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基本信息

CAS Number	4940-39-0
MDL Number	MFCD00006838

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. 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 . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. 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. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. 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. P362: Take off contaminated clothing and wash before reuse. 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 in accordance with local regulation .