KH-590

Chemical name Mercaptopropyl trimethoxy silane

CAS NO. 4420-74-0

Foreign corresponding brand A-189（Momentive）, Z-6062(Dowcorning), KBM-803(ShinEtsu), GF70 (Wacker),MTMO（Degussa）

Molecular Formula C6H16O3SSi              Molecular weight 196.34

Properties

Transparent to straw yellow liquid with an unpleasant sulfide odor. Boiling point 212℃, flash point 88℃, soluble in alcohols, ketones, aliphatic hydrocarbons and aromatic hydrocarbons.

Quality Index 

Item	Index
Appearance（25℃）	Colorless or yellowish transparent liquid
Assay%≥	≥97
Density(ρ20）g/cm3	1.040±0.005
Refractive index（nD25）	1.440±0.005

 

Applications

Used to process inorganic filler such as SiO2 and carbon black, activator, coupling agent, crosslinking agent and reinforced agent of rubber, silicone rubber and coating.

Packing and Storage

25KGS or 200 KGS plastic drum. Stored in a cool and dark place. Storage period is two years.