Agent Name | Octadecyltrichlorosilane |
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CAS Number | 112-04-9 |
Formula | C18-H37-Cl3-Si |
Major Category | Toxic Gases & Vapors |
Synonyms | Silane, octadecyltrichloro-; Silane, trichlorooctadecyl-; Trichloro(octadecyl)silane; [ChemIDplus] n-Octadecyltrichlorosilane; Octadeciltriclorosilano (Spanish DOT); Octadecyltrichlorosilane (French DOT); OTS; Stearyltrichlorosilane; Trichlorooctadecylsilane; [CAMEO] UN1800 |
Category | Chlorosilanes |
Description | Colorless liquid with a pungent odor; [CAMEO] |
Sources/Uses | Used as an intermediate for silicones; [HSDB] |
Comments | Reacts violently with water, steam, or moisture evolving heat, hydrogen gas (combustible), and hydrogen chloride gas (corrosive); Produces hydrogen chloride gas on contact with air; Corrosive to tissue; [CAMEO] Can cause second- and third-degree burns from brief contact; Vapors are severely irritating to eyes and throat and may cause injury to eyes and lungs; [HSDB] Reacts violently with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] |
Exposure Assessment | |
Dangerous When Wet | Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004] |
Vapor Pressure | 9.92E-6 mm Hg |
Flammability (NFPA) | |
Adverse Effects | |
Toxic Pneumonitis | Yes |
Dermatotoxin | Skin Burns |
Links to Other NLM Databases | |
Health Studies | Human Health Effects from Hazardous Substances Data Bank: |
Toxicity Information | |
Chemical Information | |
Related Information in HazMap | |
Diseases | Occupational diseases associated with exposure to this agent: |
Processes | Industrial Processes with risk of exposure: |