Linoleic Acid
time:2012-10-03 16:47:58,count:0

Linoleic Acid
Alias
(9Z,12Z)-octadeca-9,12-dienoic acid
(Z,Z)-9,12-Octadecadienoic acid
9-cis,12-cis-Linoleic acid
9Z,12Z-Linoleic acid
Category
Anionic surfactants-Carboxylate
CAS No.
60-33-3
Molecular Formula & Molecular Weight
Molecular Formula: C18H32O2
Molecular Weight: 280.45
Structural Formula
Properties
Appearance: colorless to pale yellow liquid.
Odor: smell of grease.
Solubility: insoluble in water. soluble in ether.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse oral LD50: >50000mg/Kg;
mouse intraperitoneal LD50: 280mg/kg;
rat intraperitoneal LD50: > 50000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent lubricating, dispersing, emulsifying, cleansing abilities. dry acid.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %, ≥
98
 
*: should be marked on molecular weight.
Major Uses
Widely used in preparation of linoleic acid polymer. Linoleic acid polymer can be used in personal care products.
Widely used in preparation of linoleic acid ester. Linoleic acid ester can be used in personal care products.
Widely used in preparation of linoleic acid salts. Sodium salt, potassium salt, triethanolamine salt, can be used in household cleaning products, personal care products; heavy metal salts (such as: cobalt salt, lead salt, etc.), can be used in paint industry; calcium salt, can be used in pharmaceutical industry.
Used in preparation of stearic acid.
Drier in paint, printing ilk.
Use as dietary supplements.
Use as lubricant.
Use as dispersing agent, emulsifying agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:60-33-3
Update: 20131102(1);

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