Butyl lactate
time:2012-10-16 16:59:35,count:0

Butyl lactate
Alias
n-Butyl lactate
Lactic acid, butyl ester
Propanoic acid, 2-hydroxy-, butyl ester
Category
Non-ionic surfactants-Esters
CAS No.
138-22-7
Molecular Formula & Molecular Weight
Molecular Formula: C7H14O3
Molecular Weight: 146.18
Structural Formula
Properties
Appearance: colorless to pale yellow liquid.
Solubility: soluble in water; 20℃, 40g/L[1].
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 12000mg/Kg;
rat subcutaneous LD50: >5000mg/Kg;
rabbit subcutaneous LD50: >5000mg/Kg;
rabbit oral LD50: >5000mg/Kg;
mouse subcutaneous LDLo: 11000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent cleansing, dispersing 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 emulsifying agent, emulsion stabilizer.
Solvent, masking agent in personal care products.
Cleansing agent in industrial cleaning.
Use as solvent. eg: plastics, resins, perfume, dyes.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:138-22-7
Update: 20141024(1);