PEG-4 Diheptanoate
time:2012-10-26 17:34:29,count:0

PEG-4 Diheptanoate
Alias
Tetraethylene glycol diheptanoate
Tetraethylene glycol-di-n-heptanoate
Category
Non-ionic surfactants-Polyether
CAS No.
70729-68-9
Molecular Formula & Molecular Weight
Molecular Formula: C22H42O7
Molecular Weight: 418.56
Structural Formula
Properties
Appearance: colorless transparent liquid.
Solubility: slightly soluble in water.
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 25000mg/Kg; rat inhalation LCLo: 14200mg/m3/4h.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent solubilizing, dispersing, emulsifying, lubricating abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
98
 
*: should be marked on molecular weight.
Major Uses
Use as emulsifying agent, dispersing agent.
Emulsifying agent in personal care products.
Use as solubilizing agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:70729-68-9
Update: 20130930(1);

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