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1,3-diphenyltetramethyldisiloxane

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Origin: China

Cas No: 56-33-7

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.: 56-33-7 Formula: C16H22OSi2 Molecular Weight: 286.51600

Basic Info

Chemical Name	1,3-diphenyltetramethyldisiloxane
Synonyms	[dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane; 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane; Disiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl-;
CAS No.	56-33-7
Molecular Formula	C16H22OSi2
Molecular Weight	286.51600
PSA	9.23000
LogP	3.22760

Properties

Appearance & Physical State	Colorless or yellowish transparent liquid
Density	0.97g/cm3
Boiling Point	155ºC
Melting Point	-89ºC
Flash Point	118.2ºC
Refractive Index	1.52

Safety Info

RTECS	JM9236000
Safety Statements	S24/25; S36; S26
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

Dimethylphenylsilane→Dimethylphenylfluorosilane+1,3-diphenyltetramethyldisiloxane
Dimethylphenylsilane+urea→1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILAZANE+isocyanato-dimethyl-phenylsilane
Dimethylphenylsilane+urea→isocyanato-dimethyl-phenylsilane+1,3-diphenyltetramethyldisiloxane

Precursor

hydroxy-dimethyl-phenylsilane
carbon dioxide
benzyloxydimethylphenylsilane
Dimethylphenylsilane

Downstream Product

Dimethylphenylsilanol Sodium Salt
dimethyl(diphenyl)silane
4-Acetylbiphenyl
Dimethylphenylfluorosilane

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