Home > Organosilicon Compounds> 1,1,2,2-TETRAMETHYLDISILANE

1,1,2,2-TETRAMETHYLDISILANE

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Origin: China

Cas No: 814-98-2

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.: 814-98-2 Formula: C4H14Si2 Molecular Weight: 118.32500

Description

sym-Tetramethyldisilane can be used as a chain-transfer agent in free-radical polymerization.

Basic Info

Chemical Name	1,1,2,2-TETRAMETHYLDISILANE
Synonyms	1,1,2,2-tetramethyl-disilan; tetramethyldisilane; 1,1,2,2-tetramehyldisilane; HMe2Si-SiMe2H; 1,2-dihydrotetramethyldisilane; (CH3)2SiHSiH(CH3)2; sym-tetramethyldisilane; Disilane,1,1,2,2-tetramethyl;
CAS No.	814-98-2
Molecular Formula	C4H14Si2
Molecular Weight	118.32500
PSA	0.00000
LogP	1.03820

Properties

Density	0.715 g/mL at 25ºC(lit.)
Boiling Point	86-87ºC(lit.)
Flash Point	-15 °F
Refractive Index	n20/D 1.428(lit.)

Safety Info

Safety Statements	S16; S29; S33
RIDADR	UN 1993 3/PG 2
Risk Statements	R11
Hazard Codes	F

Synthesis Route

Chlorodimethylsilane→(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilicon+1,1,2,2-TETRAMETHYLDISILANE
TRIMETHYLSILANE+1,1,2,2,3,3,4,4,5,5,6,6-dodecamethylhexasilinane→Pentamethyldisilane+1,1,2,2-TETRAMETHYLDISILANE
Chlorodimethylsilane→1,1,2,2-TETRAMETHYLDISILANE

Precursor

1,1,2,2,3,3,4,4,5,5,6,6-dodecamethylhexasilinane
Chlorodimethylsilane
bromodimethylsilane
TRIMETHYLSILANE

Downstream Product

chloro-dimethylsilyl-dimethylsilane
dimethyl 2,3-bis(dimethylsilyl)but-2-enedioate
[dimethyl(phenyl)silyl]-dimethyl-phenylsilane
1,1-dimethyl-2,3,4,5-tetraphenylsilole

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