Stearyl trisiloxane
Time: 2020-09-17 22:29:55; Reading: 0

Stearyl trisiloxane

Synonyms

Bis(trimethylsiloxy)octadecylmethylsilane;

Octadecylheptamethyltrisiloxane;

Category

Silicone Surfactant

> Non-ionic Silicone Surfactant

>> Alkyl (Substituted Alkyl) Silicone Polymer

Chemical Numbering System

CASRN: 167160-55-6

EINECS: N/A

Molecular Formula & Molecular Weight

Molecular Formula: C25H58O2Si3

Molecular Weight: 474.98

Structure

Properties

Appearance    (1), liquid.

Solubility    insoluble in water.

Stability    stable.

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

GHS (Rev.8) label: 

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

Biodegradability    biodegradable.

Characteristics    excellent lubricating, antistatic, dispersing, adsorbing 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 lubricant.

Use as anti-foaming agent.

2, Personal care products

Conditioning agent, emollient in personal care products.

3, Textile, fiber, leather

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

Manufacturers