Benzoic acid, 2,5-dihydroxy-, monosodium salt
time:2012-11-28 15:21:59,count:0

Benzoic acid, 2,5-dihydroxy-, monosodium salt
Alias
Benzoic acid, 2,5-dihydroxy-, sodium salt (1:1)
Gentisic acid, monosodium salt
Sodium 2,5-dihydroxybenzoate
Sodium gentisate
Category
Anionic surfactants-Carboxylate
CAS No.
4955-90-2
Molecular Formula & Molecular Weight
Molecular Formula: C7H5NaO4
Molecular Weight: 176.10
Structural Formula
Properties
Appearance: yellow-white powder.
Solubility: soluble in water.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse subcutaneous LD50: 3900mg/Kg; mouse intraperitoneal LD50: 3735mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent anti-oxidizing, dispersing 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/: 4955-90-2
Update: 20140309(1);

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