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trimethyl-[methyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane

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Origin: China

Cas No: 2003-92-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2003-92-1 Formula: C14H42O5Si6 Molecular Weight: 458.99300

Basic Info

Chemical Name	trimethyl-[methyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane
Synonyms	1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(trimethylsiloxy)tetrasiloxane; 3,5-Bis-trimethylsiloxy-octamethyl-tetrasiloxan; 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis-trimethylsilyloxy-tetrasiloxan; 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis-(trimethylsiloxy)-tetrasiloxan; 3,5-Bis-dimethylsilyloxy-1,1,1,3,5,7,7,7-octamethyl-pentasiloxan; 1,1,1,3,5,7,7,7-octamethyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane; 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(trimethylsilanyloxy)tetrasiloxane;
CAS No.	2003-92-1
Molecular Formula	C14H42O5Si6
Molecular Weight	458.99300
PSA	46.15000
LogP	5.54640

Properties

Density	0.885 g/mL at 25ºC(lit.)
Boiling Point	121ºC10 mm Hg(lit.)
Flash Point	>221 °F
Refractive Index	1.419
Vapor Pressure	0.000348mmHg at 25°C

Safety Info

HS Code	2934999090
WGK Germany	3

Synthesis Route

chlorotrimethylsilane+Methyltrichlorosilane→trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane+trimethyl-[methyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane
chlorotrimethylsilane+Methyltrichlorosilane→trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane+trimethyl-[methyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane
Heptamethyltrisiloxane→trimethyl-[methyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane

Precursor

Methyltrichlorosilane
Heptamethyltrisiloxane
hexamethyldisiloxane
chlorotrimethylsilane

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