2,5-Dihydroxybenzoic acid
time:2012-11-28 15:21:15,count:0

2,5-Dihydroxybenzoic acid
Alias
Benzoic acid, 2,5-dihydroxy-
Gentisic acid
Category
Anionic surfactants-Carboxylate
CAS No.
490-79-9
Molecular Formula & Molecular Weight
Molecular Formula: C7H6O4
Molecular Weight: 154.12
Structural Formula
Properties
Appearance: yellow-white powder.
Solubility: soluble in water.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat intraperitoneal LD50: 3000mg/Kg;
mouse oral LD50: 4500mg/Kg;
mouse intravenous LD50: 374mg/Kg.
Reproductive effect.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent anti-oxidizing, dispersing, cleansing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Conditioning agent in personal care products.
Use as intermediate in organic synthesis.
Use as pharmaceutical ingredient.
Use as antioxidant.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 490-79-9
Update: 20140309(1);

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