Cetrimonium bromide
time:2012-10-30 16:27:36,count:0

Cetrimonium bromide
Alias
1-Hexadecanaminium, N,N,N-trimethyl-, bromide
Cetyl trimethyl ammonium bromide
N,N,N-Trimethyl-1-hexadecanaminium bromide
CTAB
CETAB
Category
Cationic surfactants-Quaternary ammonium salts
CAS No.
57-09-0
Molecular Formula & Molecular Weight
Molecular Formula: C19H42BrN
Molecular Weight: 364.45
Structural Formula
Properties
Appearance: white or off-white solid; pale yellow paste.
Solubility: slightly soluble in water. soluble in ethanol.
Hygroscopicity: hygroscopic.
Stability: stable.
Risk: irritation, strong irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 410mg/Kg; rat intravenous LD50: 44mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent antimicrobial, antibacterial, preservative, antistatic, wetting, permeating, deodorizing, emulsifying, solubilizing, dispersing abilities. resistance to acid, light.
Notes: be careful with using in children cleaning products.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
solid
paste
actives*, %, ≥
95
50-70
 
*: should be marked on molecular weight.
Major Uses
Widely used as disinfectant, bactericide.
Antistatic agent, softening agent, fat-liquoring agent in textile, fibers, leather.
Emulsifying agent in asphalt, rubber.
Use as phase transfer catalyst.
Bactericide, conditioning agent in personal care products.
Use as flocculant.
Active ingredient in the flux.
Used in chemical and biological fields.
Use as dispersing agent, emulsifying agent.
Use as deodorant.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:57-09-0
Update: 20140409(1);

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