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

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Origin: China

Cas No: 17928-28-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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CAS No.: 17928-28-8 Formula: C10H30O3Si4 Molecular Weight: 310.68500

Basic Info

Chemical Name	trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
Synonyms	heptamethyl-3-trimethylsiloxy-trisiloxane; 1,1,1,3,5,5,5-Heptamethyl-3-trimethylsilyloxy-trisiloxan; 3-Trimethylsiloxy-1.1.1.3.5.5.5-heptamethyl-trisiloxan; UNII-S73ZQI0GXM; 1,1,1,3,5,5,5-heptamethyl-3-trimethylsilanyloxy-trisiloxane; S73ZQI0GXM; EINECS 241-867-7; Tris-trimethylsiloxy-methyl-silan;
CAS No.	17928-28-8
Molecular Formula	C10H30O3Si4
Molecular Weight	310.68500
PSA	27.69000
LogP	4.10960

Properties

Appearance & Physical State	Clear colorless liquid.
Density	0.849
Boiling Point	235.4ºC at 760 mmHg
Melting Point	-76ºC
Flash Point	88.1ºC
Refractive Index	1.388
Storage Condition	Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Vapor Pressure	0.000814mmHg at 25°C

Safety Info

Safety Statements	26-36/37/39-36-16
HS Code	2934999090
RIDADR	UN 1993
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

difluoro-methyl-trimethylsilyloxysilane→trifluoro(methyl)silane+trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
Trimethoxy(methyl)silane+hexamethyldisiloxane→trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
chlorotrimethylsilane+Methyltrichlorosilane→hexamethyldisiloxane+trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane

Precursor

Methyltrichlorosilane
ethoxy(trimethyl)silane
Trimethoxy(methyl)silane
hexamethyldisiloxane

Downstream Product

fluoro(trimethyl)silane
trifluoro(methyl)silane
Trimethylsilanol
difluoro-methyl-trimethylsilyloxysilane

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