Tripropylene glycol
Synonyms
PPG-3;
Propanol, ((1-methyl-1,2-ethanediyl)bis(oxy))bis-;
Category
Non-ionic surfactant
> Polyether
>> Ethylene Oxide - Propylene Oxide Homopolymer and Copolymer
Chemical Numbering System
CASRN: 24800-44-0
EINECS: 246-466-0
Molecular Formula & Molecular Weight
Molecular Formula: C9H20O4
Molecular Weight: 192.25
Structure
Properties
Appearance (1), liquid.
Solubility 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 (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
rat oral LD50 |
3000mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, solubilizing, lubricating, wetting, permeating, cleansing abilities.
Synthesis
Obtained by polymerization of methyloxirane.
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), HG/T 4309 Polypropylene glycol
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 cleansing agent.
Use as solvent.
Use as lubricant.
Use as plasticizer.
2, Personal care products
Emulsion stabilizer, humectant in personal care products.
3, Organic synthesis
Use as intermediate in organic synthesis.
4, Industrial cleaning
Cleansing agent, solvent in industrial cleaning.
5, Perfume
Solvent in perfume.
6, Polymer
Solvent in coatings, resins.
7, Vehicle
Use as brake fluid component.
Manufacturers
References
[1]: ChemIDplus. 24800-44-0, Tripropylene glycol
Update: 20200301(1);