Description

Silane, chloro(chloromethyl)dimethyl- (CAS No. 1719-57-9) is a highly reactive organosilicon compound with the molecular formula C₃H₈Cl₂Si. This colorless to pale yellow liquid is widely used in organic synthesis and materials science due to its dual functional groups, which enable versatile chemical modifications. Its IUPAC name is chloro-(chloromethyl)-dimethylsilane, and it is characterized by its sharp, pungent odor and moisture-sensitive nature. Suitable for laboratory and industrial applications, this compound should be handled under inert conditions to prevent hydrolysis. Packaged in amber glass bottles or sealed containers to ensure stability and purity, it is ideal for researchers working on silane coupling agents, surface modifications, and polymer chemistry.

Properties

• CAS Number: 1719-57-9
• Complexity: 44.1
• IUPAC Name: chloro-(chloromethyl)-dimethyl-silane
• InChI: InChI=1S/C3H8Cl2Si/c1-6(2,5)3-4/h3H2,1-2H3
• InChI Key: ITKVLPYNJQOCPW-UHFFFAOYSA-N
• Exact Mass: 141.9772322
• Molecular Formula: C3H8Cl2Si
• Molecular Weight: 143.08
• SMILES: C[Si](C)(CCl)Cl
• Monoisotopic Mass: 141.9772322
• Physical Description: Liquid
• Synonyms: Chloro(chloromethyl)dimethylsilane, 1719-57-9, SILANE, CHLORO(CHLOROMETHYL)DIMETHYL-, CHLOROMETHYLDIMETHYLCHLOROSILANE, EINECS 217-006-6, DTXSID4061911, EC 217-006-6, DTXCID1035496, 217-006-6, (Chloromethyl)dimethylchlorosilane, CMDMCS, chloro-(chloromethyl)-dimethylsilane, MFCD00000875, Dimethylchloromethylchlorosilane, Chloro(cholromethyl)dimethylsilane, (CH3)2SiCl(CH2Cl), Chloro(chloromethyl)-dimethylsilane, CC3270, K79DDR4ZCW, chlorochlormethyldimethylsilane, chlorochloromethyldimethylsilane, SCHEMBL124324, chloromethyldimethylsilyl chloride, chloro-chloromethyl-dimethylsilane, chloromethyl-dimethyl-chlorosilane, ITKVLPYNJQOCPW-UHFFFAOYSA-, Chlorodimethyl(chloromethyl)silane, chloromethyl dimethylsilyl chloride, chloro-chloromethyl-dimethyl-silane, (chloromethyl)dimethylsilyl chloride, AKOS006221244, FS-4600, Chloro(chloromethyl)dimethylsilane, 98%, (Chloromethyl)Dimethylchlorosilane, 98%, (Chloromethyl)Dimethylchlorosilane, 98% 2, DB-043878, NS00048340, I11126, Q63408941, InChI=1/C3H8Cl2Si/c1-6(2,5)3-4/h3H2,1-2H3

Application

Chloro(chloromethyl)dimethylsilane is primarily used as a key intermediate in the synthesis of functionalized silanes and silicone polymers. It serves as a crosslinking agent in the production of specialty resins and coatings, enhancing adhesion and durability. Researchers also employ it to modify surfaces for improved hydrophobicity or chemical reactivity in advanced material applications.

Safety and Hazards

GHS Hazard Statements

• H225 (87.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H226 (12.7%): Flammable liquid and vapor [Warning Flammable liquids]
• H302 (16.4%): Harmful if swallowed [Warning Acute toxicity, oral]
• H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318 (10.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (83.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P363, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (87.3%)
• Flam. Liq. 3 (12.7%)
• Acute Tox. 4 (16.4%)
• Skin Corr. 1A (100%)
• Eye Dam. 1 (10.9%)
• STOT SE 3 (83.6%)

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