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

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Origin: China

Cas No: 2116-84-9

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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Product Description

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CAS No.: 2116-84-9 Formula: C15H32O3Si4 Molecular Weight: 372.75500

Basic Info

Chemical Name	trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
Synonyms	methylphenylpolysiloxane; UNII-DR0K5NOJ4R; Dow 556 Fluid; Polyphenylmethyl siloxane; phenyl dimethicone; Dow Corning 556; 2.2.6.6-tetramethyl-4-phenyl-4-trimethylsiloxy-2.4.6-trisila-3.5-dioxaheptane; Silicone DC 556; Phenyl trimethicone;
CAS No.	2116-84-9
Molecular Formula	C15H32O3Si4
Molecular Weight	372.75500
PSA	27.69000
LogP	4.38700

Properties

Density	0.921 g/mL at 20ºC(lit.)
Boiling Point	264ºC(lit.)
Melting Point	-102ºC
Flash Point	127ºC
Refractive Index	n20/D 1.437
Vapor Pressure	0.000812mmHg at 25°C

Safety Info

Safety Statements	S26; S36
HS Code	2934999090
WGK Germany	1
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

chlorotrimethylsilane+trihydroxy(phenyl)silane→trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
Phenyltrimethoxysilane→trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
SODIUM TRIMETHYLSILANOLATE+Phenyltrichlorosilane→trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane

Precursor

SODIUM TRIMETHYLSILANOLATE
Phenyltrimethoxysilane
Phenyltrichlorosilane
chlorotrimethylsilane

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