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1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILAZANE

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Origin: China

Cas No: 3449-26-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 3449-26-1 Formula: C16H23NSi2 Molecular Weight: 285.53200

Basic Info

Chemical Name	1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILAZANE
Synonyms	1,1,3,3-tetramethyl-1,3-dioctyl-disiloxane; 1,1,3,3-Tetramethyl-1,3-dioctyl-disiloxan; 1,1,2,2-tetramethyl-1,2-di-n-octyldisiloxane; 1,1,3,3-tetramethyl-1,3-diphenyldisilazane; Tetramethyl-1,3-diphenyldisilazane; 1,3-DIOCTYLTETRAMETHYLDISILOXANE; 1,3-DiphenyltetraMethyldisilazane;
CAS No.	3449-26-1
Molecular Formula	C16H23NSi2
Molecular Weight	285.53200
PSA	12.03000
LogP	3.19150

Properties

Density	0.985 g/mL at 25ºC(lit.)
Boiling Point	96-100ºC0.1 mm Hg(lit.)
Flash Point	>230 °F
Refractive Index	n20/D 1.538(lit.)

Safety Info

Safety Statements	S26; S36
HS Code	2931900090
Risk Statements	R36/37/38
Hazard Codes	Xi
Signal Word	Warning
Hazard Declaration	H315; H319; H335
Symbol	GHS07
Caution Statement	P261; P305 + P351 + P338

Synthesis Route

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

Precursor

urea
Chlorodimethylphenylsilane
Dimethylphenylsilane

Downstream Product

isocyanato-dimethyl-phenylsilane
hydroxy-dimethyl-phenylsilane
1,3-diphenyltetramethyldisiloxane
N-[dimethyl(phenyl)silyl]aniline

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