CAS 39079-62-4; 色酮-3-甲酸; 4-Oxo-4H-1-benzopyran-3-carboxylic acid

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货号

品牌

产品名称

规格

包装、参考价格

C870804

MACKLIN

色酮-3-甲酸

98%

45元/200mg; 87元/1g; 409元/5g; 1887元/25g;

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储存：2-8°C
状态：浅黄色到黄色到橙色粉末到晶体

C2367

TCI

Chromone-3-carboxylic Acid

>98.0%(GC)

410元/1G; 1770元/5G;

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基本信息

纯度/分析方法	>98.0%(GC)
分子式/分子量	C₁₀H₆O₄ = 190.15
外观与形状(20℃)	固体
储存温度	0-10℃
应避免的情况	加热
Reaxys-RN	1074111
PubChem物质ID	354334133
MDL编号	MFCD00017338

技术规格

Appearance	Light yellow to Yellow to Orange powder to crystal
Purity(GC)	min. 98.0 %
Purity(Neutralization titration)	min. 96.0 %
Melting point	198.0 to 203.0 ℃

物性(参考值)

熔点

201 ℃

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。

A14422

Alfa Aesar

Chromone-3-carboxylic Acid

98%

730元/1g; 2578元/5g; 10900元/25g;

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基本信息

MDL
MFCD00017338

分子式
C₁₀H₆O₄

分子量
190.15

熔点
198-203°

形态
Crystalline powder

Beilstein
1074111

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.

TSCA
否

532576

Sigma-Aldrich

Chromone-3-carboxylic Acid

97%

1214.04元/5 G;

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产品说明

一般描述

Chromone-3-carboxylic acid is a chromone derivative. Its potential as an antioxidant in charge transfer (CT) processes has been assessed by surface-enhanced Raman scattering (SERS) analysis of chromone 3-carboxylic acid adsorbed on silver colloids.

应用

Chromone-3-carboxylic acid may be used in the preparation of:

chromane-2,4-diones
chromone-3-carboxamides
5-(2-hydroxyphenyl)isoxazole
chromone-2-carboxamides
chromone-2-carboxamido-3-esters

包装

5 g in glass bottle

基本信息

经验(实验)分子式	C₁₀H₆O₄
分子量	190.15
MDL编号	MFCD00017338
PubChem化学物质编号	24877896

产品性质

质量水平	100
测定	97%
mp	202-205 ℃ (lit.)
SMILES string	OC(=O)C1=COc2ccccc2C1=O
InChI	1S/C10H6O4/c11-9-6-3-1-2-4-8(6)14-5-7(9)10(12)13/h1-5H,(H,12,13)
InChI key	PCIITXGDSHXTSN-UHFFFAOYSA-N
Gene Information	human ... PTPN1(5770)

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Eyeshields, Gloves, type N95 (US)