Glycols, polypropylene, 1,2,3-propanetriyl ether
Synonyms
PPG Glyceryl Ether;
Glycerol, propoxylated;
Polyoxypropylene glyceryl ether;
Polypropylene glycol glyceryl ether;
Poly(oxy(methyl-1,2-ethanediyl)), alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxy-;
Category
Non-ionic surfactant
> Polyether
>> Alcohol Polyether
>>> Alcohol Polyoxypropylene Ether
>>>> Diol and Polyol Polyoxypropylene Ether
Chemical Numbering System
CAS: 25791-96-2
EINECS: 500-044-5
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Properties
Appearance (1), liquid.
Solubility insoluble in water to soluble in water.
Stability stable.
Risk Liquid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
2.83mL/kg[1] |
|
rat oral LD50 |
> 64mL/kg[1] |
|
mouse oral LD50 |
10000mg/kg[1] |
|
rabbit skin LD50 |
> 16mL/kg[1] |
|
rabbit skin LD50 |
> 20mL/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, solubilizing, wetting, lubricating abilities. Performance is related to PO number.
Synthesis
Obtained that glycerol reacts with propylene oxide.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB 1886.297 Food safety national standard -- Food additive -- Polyoxypropylene glycerol ether (GP)
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as emulsifying agent, dispersing agent.
Use as solubilizing agent.
Use as lubricant.
Use as intermediate in organic synthesis.
2, Personal care products
Emulsifying agent in personal care products.
3, Textile
Auxiliary in textile. Can improve flexibility of fibers.
4, Polymer
Flexibility agent, diluent in epoxy resins. Can improve flexibility and impact strength of epoxy resins.
5, Food
Use as food processing aid (antifoaming agent, fermentation process).
Product members
PPG-3 Glyceryl Ether;
PPG-6 Glyceryl Ether;
PPG-9 Glyceryl Ether;
PPG-10 Glyceryl Ether;
PPG-16 Glyceryl Ether;
PPG-27 Glyceryl Ether;
PPG-50 Glyceryl Ether;
PPG-55 Glyceryl Ether;
PPG-67 Glyceryl Ether;
PPG-70 Glyceryl Ether;
Manufacturers
References
[1]: ChemIDplus. 25791-96-2, Glycols, polypropylene, 1,2,3-propanetriyl ether
Update: 20130929(1); 20191104(2);