Polyglycerol
Synonyms
1,2,3-Propanetriol, homopolymer:
Polyglycerin;
Polyglycerine;
Glycerol polymer;
Glycerol, polymers;
Category
Non-ionic surfactant
> Polyether
>> Polyglycerols
>>> Polyglycerol
Chemical Numbering System
CAS: 25618-55-7
EINECS: 607-759-2
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Schematic formula:
Properties
Appearance (1), colorless to pale yellow transparent viscous liquid.
Solubility dispersible in water to soluble in water. Soluble in ethanol. Solubility is related to polymerization degree of glycerol, polymerization branching degree. Generally, with the increase of polymerization degree and polymerization branching degree of glycerol, water solubility decreases.
Hygroscopicity hygroscopic.
Stability stable.
Risk Liquid form: irritation, irritation to skin, eye.
GHS label: 
Animal Toxicity
|
mouse oral LD50 |
20000mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, solubilizing, lubricating, antistatic abilities. Excellent biocompatibility. Resistance to high temperature, low temperature. Performance is related to polymerization degree of glycerol, polymerization branching degree.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
75.0 |
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, 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 antifreezing agent.
2, Personal care products
Emollient, humectant, conditioning agent, antimicrobial agent in personal care products. Good moisturizing ability.
3, Organic synthesis
Use as intermediate in organic synthesis. For example, be used in esterification, etherification and polymerization.
4, Polymer
Plasticizer in resins.
Intermediate in the synthesis of resins.
Product members
Diglycerin (CAS: 59113-36-9; EINECS: 261-605-5);
alpha,alpha'-Diglycerol (CAS: 627-82-7; EINECS: 211-013-8);
Triglycerol (CAS: 56090-54-1; EINECS: 259-986-8);
Tetraglycerol (CAS: 56491-53-3; EINECS: 310-131-8);
Pentaglycerol (CAS: 51555-31-8; EINECS: 257-282-5);
Hexaglycerol (CAS: 36675-34-0; EINECS: 253-154-8);
Decaglycerol (CAS: 9041-07-0; EINECS: 232-921-0);
Polyglycerin-20;
Polyglycerin-40;
Manufacturers
References
[1]: ChemIDplus. 25618-55-7, Polyglycerol
Update: 20131013(1); 20200222(2);