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4H-1-Benzopyran-2-carboxylicacid, 4-oxo- cas no:4940-39-0

Synonyms: 2-Chromonecarboxylic acid;Chromone-2-carboxylic acid;4-Oxo-4H-chromene-2-carboxylic acid;4-Oxochromene-2-carboxylic acid;Atremon;Campel;Chromocarb;

Identification
Name4H-1-Benzopyran-2-carboxylicacid, 4-oxo-
CAS4940-39-0
Synonyms2-Chromonecarboxylic acid;Chromone-2-carboxylic acid;4-Oxo-4H-chromene-2-carboxylic acid;4-Oxochromene-2-carboxylic acid;Atremon;Campel;Chromocarb;
EINECS(EC#)225-583-0
Molecular FormulaC10H6O4
Molecular Weight190.15
Chemical Properties
AppearanceLight beige powder.
storage tempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Data

Hazard Xi:Irritant;
Risk R36/37/38
Safety

Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
RTECS: DJ2476000
Hazard Note: Irritant


Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 585mg/kg (585mg/kg)   Pharmacology and Toxicology. English translation of FATOAO. Vol. 21, Pg. 555, 1958.

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BASR Fine Chemicals Private Limited
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China Langchem Inc.
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LLB CHEM
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Shanghai Hope Chem Co., Ltd.
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