Ethyl stearate
time:2012-10-18 16:34:47,count:0

Ethyl stearate
Alias
Octadecanoic acid, ethyl ester
Stearic acid, ethyl ester
Category
Non-ionic surfactants-Esters
CAS No.
111-61-5
Molecular Formula & Molecular Weight
Molecular Formula: C20H40O2
Molecular Weight: 312.53
Structural Formula
Properties
Appearance: solid. high temperature: liquid.
Solubility: insoluble in water. soluble in ethyl ether.
Melting point: 33℃[1].
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: >5000mg/Kg; rabbit skin LD50: >5000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, emulsifying, lubricating 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, dispersing agent.
Emollient, perfume in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:111-61-5
Update: 20141025(1);

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