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Stearyl methicone

Time:2012-12-31 15:25:08; Reading: 14

Stearyl methicone

Synonyms

Silicones and siloxanes, methyl octadecyl, trimethylsilyl terminated;

Category

Silicone Surfactant

> Non-ionic Silicone Surfactant

>> Alkyl (Substituted Alkyl) Silicone Polymer

Chemical Numbering System

CASRN: N/A

EINECS: N/A

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

Properties

Appearance    (1), solid; or emulsion.

Solubility    insoluble in water.

Stability    stable.

Risk    Solid form: irritation, irritation to skin, eye, respiratory system.

GHS (Rev.10) label: 

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent film-forming, lubricating, antistatic, dispersing, adsorbing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Solid

Actives, %, ≥

95.0

Test Methods

(1), Actives

 

2, Hazardous substances indexes

Item

Hazardous substances indexes

Solid

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 film-forming agent.

Use as lubricant.

Use as anti-foaming agent.

Use as brightening agent.

2, Personal care products

Conditioning agent, emollient, skin protective agent in personal care products.

3, Textile, fiber, leather

Softening agent, antistatic agent, brightening agent in textile, fiber, leather.

Manufacturers

 

Update: 20140828(1); 20200913(2);

Document

[Terminology] Dispersion system

[Terminology] Vesicle

Pandect of Ester surfactants (1): Definition

[Terminology] Van Der Waals force

[Terminology] Micellar aggregation number

Standard

Test methods of surfactants, catalog, Chinese national standards

Surfactants, catalog, Chinese national standards

Test methods of materials, catalog, Chinese national standards

Basic standards of materials, catalog, Chinese national standards

Test methods of textile auxiliaries, catalog, Chinese national standards