Polypropylene glycol
time:2012-10-23 17:04:40,count:0

Polypropylene glycol
Alias
PPG
Polyoxypropylene
Oxirane, methyl-, homopolymer
Category
Non-ionic surfactants-Polyether
CAS No.
25322-69-4
Structural Formula
Properties
Appearance: colorless transparent viscous oily liquid.
Solubility: slightly soluble to soluble in water. soluble in ethanol, toluene.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 35.6mL/Kg;
rat oral LD50: 56.6mL/Kg;
rat oral LD50: 2150mg/Kg;
rat oral LD50: 2410mg/Kg;
rat oral LD50: 41903750mg/Kg;
rat oral LD50: 7250mg/Kg;
rat oral LD50: 9760mg/Kg;
rat oral LD50: 10334mg/Kg;
rat oral LD50: 14800mg/Kg;
rat oral LD50: >15000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent solubilizing, dispersing, emulsifying, defoaming, cleansing, lubricating, antistatic abilities. excellent biocompatibility. resistance to high temperature, low temperature.
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 intermediate.
Use as defoaming agent.
Lubricant, defoaming agent, high-temperature lubricant in stamping oils, metalworking fluids.
Use as solubilizing agent. eg: perfume.
Emollient in personal care products.
Antistatic agent, softening agent in textile, chemical fiber, rubber, resins.
Defoaming agent, lubricant in rubber, resin, latex.
Use as dispersing agent.
Plasticizer, defoaming agent in resins.
Intermediate used synthesis of polyurethane foam.
Product members
PPG-150
PPG-400
PPG-425
PPG-750
PPG-1000
PPG-1025
PPG-1200
PPG-1800
PPG-2025
PPG-3025
PPG-4025
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:25322-69-4
Update: 20130929(1);

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