Quercetin
time:2013-09-08 07:54:18,count:0

Quercetin
Alias
3,3',4',5,7-Pentahydroxyflavone
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-
Category
Non-ionic surfactants-Phenol
CAS No.
117-39-5
Molecular Formula & Molecular Weight
Molecular Formula: C15H10O7
Molecular Weight: 302.24
Structural Formula
Properties
Appearance: solid.
Solubility: slightly soluble in water.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 3000mg/Kg;
mouse intravenous LD50: 18mg/Kg;
mouse oral LD50: 159mg/Kg;
mouse subcutaneous LD50: 97mg/Kg;
rabbit intravenous LD50: 100mg/Kg;
rat oral LD50: 161mg/Kg.
reproductive effect.
overall carcinogenic evaluation (Human): Group 3.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent anti-oxidizing, dispersing, emulsifying 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 antioxidant.
Use as dispersing agent, emulsifying agent.
Conditioning agent, antioxidant in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 117-39-5

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