p-Aminobenzoic acid
time:2013-05-18 00:38:58,count:0

 

p-Aminobenzoic acid
Alias
4-Aminobenzoic acid
PABA
Category
Zwitterionic surfactants-Amino acid
CAS No.
150-13-0
Molecular Formula & Molecular Weight
Molecular Formula: C7H7NO2
Molecular Weight: 137.14
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water; 30℃, 6.11g/L[1].
Stability: stable.
Risk: irritation, irritation to skin, eye.
Ecology: May be hazardous to environment. Water body should be given special attention.
Animal toxicity[1]: dog oral LD50: 1000mg/Kg;
                                 mouse oral LD50: 2850mg/Kg;
                                 rabbit intravenous LD50: 2000mg/Kg;
                                 rabbit oral LD50: 1830mg/Kg;
                                 rat intraperitoneal LD50: > 3450mg/Kg;
                                 rat oral LD50: > 6000mg/Kg.
                                 reproductive effect.
                                 overall carcinogenic evaluation: Group 3.
Biodegradability: Biodegradable.
Characteristics: excellent dispersing, antistatic, UV absorbing abilities. UVB band.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
UV absorbing agent in personal care products.
Use as dispersing agent.
Use as intermediates in organic synthesis.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 150-13-0

 

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