Polysorbate 60
time:2012-10-26 16:34:50,count:0

Polysorbate 60
Alias
Tween-60
Tween-61
Polysorbate 61
PEG Sorbitan stearate
Polyethylene glycol sorbitan monostearate
Polyoxyethylene sorbitan monostearate
Sorbitan, monooctadecanoate, poly(oxy-1,2-ethanediyl) derivs.
Sorbitan, monostearate, polyoxyethylene derivs.
Category
Non-ionic surfactants-Polyether
CAS No.
9005-67-8
Structural Formula
Properties
Appearance: colorless to yellow-brown liquid or solid.
Solubility: slightly soluble to soluble in water.
Stability: at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: >60mL/Kg;
mouse intravenous LDLo: 1000mg/Kg;
rat intravenous LD50: 1220mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent solubilizing, dispersing, emulsifying, antistatic, lubricating abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
98
 
pH (25℃, 1%)
5.0-7.0
 
*: should be marked on molecular weight.
Major Uses
Use as emulsifying agent, dispersing agent.
Conditioning agent, emollient, emulsifying agent in personal care products.
Use as solubilizing agent.
Lubricant in plastics, fibers, metal processing.
Emulsifying agent in food industry.
Antistatic agent in fiber, textile, leather.
Product members
PEG-3 Sorbitan stearate
PEG-4 Sorbitan stearate
PEG-40 Sorbitan stearate
PEG-6 Sorbitan stearate
PEG-60 Sorbitan stearate
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9005-67-8
Update: 20131002(1);

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