440248

Dichloromethylsilane

≥97%

• Synonym(s): Methyldichlorosilane
• Linear Formula: CH₃SiHCl₂
• CAS Number: 75-54-7
• Molecular Weight: 115.03
• Beilstein/REAXYS Number: 1071194
• EC Number: 200-877-1
• MDL number: MFCD00000494
• UNSPSC Code: 12352101
• PubChem Substance ID: 24867579
• NACRES: NA.22

Properties

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

Description

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.

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).

Packaging

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Safety Information

• pictograms: GHS02,GHS06,GHS05
• signalword: Danger
• hcodes: H225,H261,H301 + H331,H314
• pcodes: P210 - P231 + P232 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - Water-react 3
• supp_hazards: EUH014,EUH071
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 1
• flash_point_f: -18.4 °F
• flash_point_c: -28 °C
• ppe: Faceshields, Gloves, Goggles