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Methyltrimethoxysilane

  • Siwin-931
  • Siwin
  • Siwin-931
  • 1185-55-3
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Siwin-931

Methyltrimethoxysilane


The Equivalent List

Momentive

Dowcorning

ShinEtsu

Evonik

Wacker

A-163

Z-6070

KBM-13

MTMS

N.A


The Physical Properties

Product No.:               Siwin-931

Chemical Name:           Methyltrimethoxysilane

CAS NO.:               1185-55-3

EINECS NO.:           214-685-0

Formula:                   C4H12O3Si

Appearance:               Colorless Transparent Liquid

Density(ρ20℃,g/m³):   0.9500±0.0050

Refractive Index( n 25℃ ):   1.3695±0.0050

Purity(by GC,%):           99 min; 99.5 min (Electronic Grade)

 



Applications

Siwin-931 is highly miscible with standard organic solvents, such as alcohols, hydrocarbons and acetone.

Siwin-931 is practically insoluble in neutral water and reacts only slowly to form silanols and higher condensation products.

Addition of a hydrolytic catalyst (inorganic/organic acids, ammonia or amines) accelerates the hydrolysis of Siwin-931 substantially.

(Filler Modifier) Siwin-931 is used mainly to render a wide range of surfaces and materials water

repellent (e.g.mineral fillers, pigment, glass cardboard). Siwin-931 may be used pure or in solution to treat fillers, using suitable mixing equipment.It may be necessary to first pre-treat the substrate with water and/or a catalyst.

Siwin-931 is also used in the production of silicone resins and condensation-curing silicone rubber.


Packing

210L Iron Drum: 180kg/drum 1000L IBC Container: 900kg/container


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