331-39-5|3,4-Dihydroxycinnamic acidProducts Supply

3,4-Dihydroxycinnamic acid cas no:331-39-5

Synonyms: Caffeicacid,96%; Caffeic acid

Identification

Name3,4-Dihydroxycinnamic acid
CAS331-39-5
SynonymsCaffeicacid,96%; Caffeic acid
EINECS(EC#)206-361-2
Molecular FormulaC9H8O4
Molecular Weight180.16

Chemical Properties

AppearanceLight yellow to greenish-yellow powder
storage tempStore at RT.

Safety Data

Hazard Xn:Harmful
Risk R36/37/38;R40
Safety

Moderately toxic by intraperitoneal route. An experimental teratogen. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes.
Hazard Codes:? Harmful Xn, Irritant Xi
Risk Statements: 36/37/38-40-63-68
R36/37/38:Irritating to eyes, respiratory system and skin.?
R40:Limited evidence of a carcinogenic effect.?
R63:Possible risk of harm to the unborn child.?
R68:Possible risk of irreversible effects.
Safety Statements: 26-36/37/39-36?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

HS Code 29182990

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	> 721mg/kg (721mg/kg)	?	Yakugaku Zasshi. Journal of Pharmacy. Vol. 104, Pg. 793, 1984.
rat	LDLo	intraperitoneal	1500mg/kg (1500mg/kg)	?	Toxicology and Applied Pharmacology. Vol. 36, Pg. 227, 1976.

Caffeic acid (CAS NO.331-39-5) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.

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Chemner Pharma: Tel:+86-(23)-62482345; Address: 668# International Exhibtion and Conference Center, Chongqing, Sichuan 400060,

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China Langchem Inc.: Tel:+86-(21)-58956006; Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203,

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Nanjing Bangnuo Biotechnology Co., Ltd.: Tel:86-25-52113793; Address: Room 901 Tianqinwan Garden NO.1008 Ssangyong Avenu

Nanjing Bangnuo Biotechnology Co., Ltd.: Tel:86-25-52113793; Address: Room 901 Tianqinwan Garden NO.1008 Ssangyong Avenu

3,4-Dihydroxycinnamic acid cas no:331-39-5

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