Coumarin
time:2012-12-09 15:45:53,count:0

Coumarin
Alias
2H-1-Benzopyran-2-one
Category
Non-ionic surfactants-Esters
CAS No.
91-64-5
Molecular Formula & Molecular Weight
Molecular Formula: C9H6O2
Molecular Weight: 146.14
Structural Formula
Properties
Appearance: colorless or white solid.
Odor: pleasant, fragrant odor resembling that of vanilla beans.
Solubility: slightly soluble in water.
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: guinea pig oral LD50: 202mg/Kg;
mouse intraperitoneal LD50: 220mg/Kg;
mouse oral LD50: 196mg/Kg;
mouse subcutaneous LD50: 242mg/Kg;
rat oral LD50: 293mg/Kg.
reproductive effect.
Overall carcinogenic evaluation: Group 3.
Human toxicity[1]: man oral TDLo: 87mg/kg/17W-I; women oral TDLo: 30mg/kg/30D-I.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent masking, dispersing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as perfume. eg: personal care products.
Use as pharmaceutical ingredient, anticoagulants.
Use as deodorants.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 91-64-5
Update: 20141016(1);

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