Dimethyl oxobenzo dioxasilane
Synonyms
4H-1,3,2-Benzodioxasilin-4-one, 2,2-dimethyl-;
Category
Silicone Surfactant
> Non-ionic Silicone Surfactant
>> Silicate, Silanol and their Derivatives
Chemical Numbering System
CAS: 17902-57-7
EINECS: 418-660-7
Molecular Formula & Molecular Weight
Molecular Formula: C9H10O3Si
Molecular Weight: 194.26
Structure
Properties
Appearance (1), liquid.
Solubility insoluble in water.
Stability stable. Easily hydrolyzed.
Risk Liquid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, antistatic, adsorbing, film-forming, anti-inflammatory abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
10.0 |
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 anti-inflammatory agent.
Use as film-forming agent.
2, Personal care products
Conditioning agent in personal care products.
Manufacturers
Update: 20140828(1); 20200808(2);