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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:?HarmfulXn,IrritantXi
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.

supplier list

Chem-Base (Nantong) Laboratories Co.,Ltd.
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Huzhou N.B.C Biological Material Co., Ltd.
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ChromaDex Inc.
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Shanghai Rychemical Co., Ltd.
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Changzhou Yuanhua Chemical Co., Ltd.
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Chem-Base (Nantong) Laboratories Co., Ltd
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Ningbo Victory & Prosperity Chemistry CO.,LTD.
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CFM Oskar Tropitzsch
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Wuhan Pharma Chemical Co., Ltd.
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Enze Chemicals Co.,Ltd
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Aktin Chemicals, Inc.
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Biosynth AG
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Chemical Formulations, LLC
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Hangzhou Sage Chemical Co., Ltd.
Tel:86-571-86818502
Address: RM501 Tower A, New Youth Plaza, NO.8 Jia Shan Road

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