| Agent Name | Octadecyltrichlorosilane |
|---|---|
| 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 | |
| TIH | Yes |
| 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 |
| Explanatory Notes | Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016] |
| 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: |
Agent Name
Octadecyltrichlorosilane
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
TIH
Yes
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
Explanatory Notes
Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016]
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin Burns
Links to Other NLM Databases
Toxicity Information
Chemical Information
Related Information in HazMap