Agent Name |
Methyldichlorosilane |
CAS Number |
75-54-7 |
Formula |
C-H4-Cl2-Si |
Major Category |
Toxic Gases & Vapors |
Synonyms |
Dichlorohydridomethylsilicon; Dichloromethylsilane; Methyl-dichlorsilan [Czech]; Monomethyldichlorosilane; Silane, dichloromethyl-; [ChemIDplus] UN1242; UN2985 |
Category |
Chlorosilanes |
Description |
Colorless liquid with pungent odor; [ICSC] |
Sources/Uses |
Used to waterproof and improve wear resistance of textiles; Also used as a monomer for silicone fluids; [HSDB] |
Comments |
Corrosive to skin; [Quick CPC] A corrosive substance that can cause pulmonary edema; [ICSC] Can cause severe burn to eyes and skin; [HSDB] Water reactive and highly flammable; [CAMEO] |
Exposure Assessment |
Vapor Pressure |
429 mm Hg |
Lethal Concentration |
LC50 (rats) = 300 ppm/4h |
Explanatory Notes |
Flash point = -14 deg F; [CAMEO] |
Flammability (NFPA) |
3: may ignite at ambient temperature |
Adverse Effects |
Toxic Pneumonitis |
Yes |
Dermatotoxin |
Skin Burns |
Links to Other NLM Databases |