Dichloromethylsilane

ALDRICH/440248 - ≥97%

Synonym: Methyldichlorosilane

CAS Number: 75-54-7
Empirical Formula (Hill Notation): CH₄Cl₂Si
Molecular Weight: 115.03
EC Number: 200-877-1
MDL Number: MFCD00000494
Linear Formula: CH₃SiHCl₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-440248-100ML	100 mL	$60.90 1/EA		Add To Favorites
45-440248-1L	1 L	$151.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥97%
autoignition temp.	471 °F
bp	41 °C (lit.)
density	1.105 g/mL at 25 °C (lit.)
expl. lim.	>55 %
form	liquid
InChI	1S/CH4Cl2Si/c1-4(2)3/h4H,1H3
InChI key	NWKBSEBOBPHMKL-UHFFFAOYSA-N
mp	−93 °C (lit.)
Quality Level	200
refractive index	n20/D 1.398 (lit.)
SMILES string	C[SiH](Cl)Cl
storage temp.	2-8°C
vapor density	4 (vs air)
vapor pressure	6.79 psi ( 20 °C)

Application:	A General and Selective Synthesis of Methylmonochlorosilanes from Di-, Tri-, and Tetrachlorosilanes - Discusses a method for synthesizing Methylmonochlorosilanes, showing potential for varied applications in chemical synthesis (Y Naganawa et al., 2020 ). Polymerization of methylsilylenes into polymethylsilanes or polycarbosilanes after dechlorination of dichloromethylsilanes. - Investigates the polymerization of methylsilylenes, offering insights into the production of polymethylsilanes or polycarbosilanes from Dichloromethylsilanes (Y Tian et al., 2016 ). Synthesis of low viscosity of polymethylhydrosiloxane using monomer of dichloromethylsilane - Focuses on producing low-viscosity polymethylhydrosiloxane through hydrolysis-condensation of Dichloromethylsilane, significant for various industrial applications (VF Arini et al., 2022 ).
General description:	Dimethyldichlorosilane(DMDCS) is a tetrahedral organosilicon compound. It is used as a silane coupling agent to synthesis the hydrophilic and hydrophobic silica nanoparticles. It is also used in the synthesis of polysilanes, which are precursors to silicon carbide.
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 - H261 - H301 + H331 - H314
Precautionary statements	P210 - P231 + P232 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes	F,T
Risk Statements	11-14/15-20/22-35-37
Safety Statements	16-26-36/37/39-43-45
RIDADR	UN1242 - class 4.3 - PG 1 - Methyldichlorosilane
WGK Germany	WGK 1
Flash Point(F)	-18.4 °F
Flash Point(C)	-28 °C
Supplemental Hazard Statements	EUH014 - EUH071

Purity	≥97%
bp	41 °C (lit.)
mp	−93 °C (lit.)
Density	1.105 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.398 (lit.)
Storage Temp.	2-8°C
UNSPSC	12352101

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