Methacryloyl propyltrimethoxysilane
Synonyms
1-Propanol, 3-(trimethoxysilyl)-, methacrylate;
2-Propenoic acid, 2-methyl-, 3-(trimethoxysilyl)propyl ester;
Trimethoxysilylpropyl methacrylate;
Category
Silicone Surfactant
> Non-ionic Silicone Surfactant
>> Silicate, Silanol and their Derivatives
Chemical Numbering System
CASRN: 2530-85-0
EINECS: 219-785-8
Molecular Formula & Molecular Weight
Molecular Formula: C10H20O5Si
Molecular Weight: 248.35
Structure
Properties
Appearance (1), liquid.
Solubility slightly soluble in water.
Stability stable. Easily hydrolyzed. Easily oxidized.
Risk Liquid form: irritation, irritation to skin, eye, respiratory system.
GHS (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
rabbit skin LD |
> 20mL/kg[1] |
rat oral LD50 |
22.6mL/kg[1] |
rat intravenous LDLo |
226mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent film-forming, adsorbing, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
Item |
Physical and chemical indexes |
Liquid |
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
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 monomer.
Use as coupling agent.
Use as film-forming agent.
2, Personal care products
Film-forming agent in personal care products.
Manufacturers
References
[1]: ChemIDplus. 2530-85-0, Trimethoxysilylpropyl methacrylate
Update: 20140828(1); 20200808(2);