Dichlorodimethylsilane

ALDRICH/440272 - ≥99.5%

Synonym: DMDCS; Dimethyldichlorosilane

CAS Number: 75-78-5
Empirical Formula (Hill Notation): C₂H₆Cl₂Si
Molecular Weight: 129.06
EC Number: 200-901-0
MDL Number: MFCD00000491
Linear Formula: (CH₃)₂SiCl₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-440272-100ML	100 mL	$45.50 1/EA		Add To Favorites
45-440272-1L	1 L	$123.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99.5%
bp	70 °C (lit.)
density	1.07 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C2H6Cl2Si/c1-5(2,3)4/h1-2H3
InChI key	LIKFHECYJZWXFJ-UHFFFAOYSA-N
mp	−76 °C (lit.)
refractive index	n20/D 1.404 (lit.)
SMILES string	C[Si](C)(Cl)Cl
storage temp.	2-8°C

Application:	Common reagent for synthesis of optically active ansa-mettallocene polymerization catalysts.
Application:	Used to prepare a resin bound siloxane with reactivity towards tertiary alcohols.
Packaging:	1 L in Sure/Seal™
Packaging:	100 mL in Sure/Seal™
Packaging:	View returnable container options .

Symbol	GHS02,GHS05,GHS06
Signal word	Danger
Hazard statements	H225 - H302 - H314 - H331 - H335
Precautionary statements	P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes	F,C
Risk Statements	11-14-20/22-35-37
Safety Statements	7/9-16-26-36/37/39-45
RIDADR	UN1162 - class 3 - PG 2 - Dimethyldichlorosilane
WGK Germany	WGK 1
Flash Point(F)	33.8 °F - closed cup
Flash Point(C)	1 °C - closed cup

Purity	≥99.5%
bp	70 °C (lit.)
mp	−76 °C (lit.)
Density	1.07 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.404 (lit.)
Storage Temp.	2-8°C
UNSPSC	12352103

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