Name：methyl-bis(trimethylsilyloxy)silicon

Synonyms:：

HSi(OSMe3)2Me; (Me3SiO)2MeSiH; 1,1,1,3,5,5,5-Heptamethyltrisiloxane;

HSi(OSiMe3)2Me; Trisiloxane,1,1,1,3,5,5,5-heptamethyl;

Methylbis(trimethylsilyloxy)silane; (TMSO)2MeSi;

HSi(OTMS)2Me; 1,1,1,3,5,5,5-HeptaMethyltrisiloxane;

Methylpolysilicone; Bis(trimethylsiloxy)methylsilane;

CAS No.: 1873-88-7

Molecular Weight:222.5

Formula: C7H22O2Si3

Exact Mass: 222.09300

It’s a very high activity of silicon hydrogen bond and is the basic raw material for the synthesis of polyether modified silicone.

Index:

Appearance: colorless liquid

Purity(GC)： >99%

Specific gravity：0.819 g/mL at 25 °C(lit.)

Melting point：<0ºC

Boiling point：142 °C(lit.)

Flashing point：27℃

Refractive index：n20/D 1.382

Application:

Methyl-bis(trimethylsilyloxy)silicon is the raw material of special silicone oil by Hydrogenated silane to get the Polyether group, epoxy group, amide group， also can use in personal care, paint industry, polyurethane foam, agricultural additives etc..

Safety:

Please read the MSDS carefully before using it.

Storage and Package:

Stored in a cool, dry place and packed in 200L drum or IBC 1000L drum

Shelf life: 3 years