| Agent Name |
Silicon tetrachloride |
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| CAS Number |
10026-04-7 |
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| Formula |
Cl4-Si |
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| Major Category |
Toxic Gases & Vapors |
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| Synonyms |
Chlorid kremicity [Czech]; Silane, tetrachloro-; Silicio(tetracloruro di); Silicium(tetrachlorure de) [French]; Siliciumtetrachlorid [German]; Siliciumtetrachloride [Dutch]; Silicon chloride (SiCl4); Tetrachlorosilane; Tetrachlorosilicon; Tetrachlorure de silicium [French]; UN1818; [ChemIDplus] |
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| Category |
Chlorosilanes |
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| Description |
Colorless fuming liquid with a suffocating odor; [HSDB] |
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| Sources/Uses |
Used to produce military smokescreens; Used to manufacture silicones, fused silica glass, fumed silica, �silica fiber optic waveguides,� transistors, and other chemical products; [HSDB] |
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| Comments |
Decomposes in water to release hydrochloric acid; [Merck Index # 8500] Contact can cause severe burns to skin and eyes; Inhalation can cause pulmonary edema; [CAMEO] Silicon tetrachloride is a skin irritant. [Quick CPC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Not evaluated |
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| Vapor Pressure |
236 mm Hg |
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| Lethal Concentration |
LC50 (rats) = 8,000 ppm/4H |
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| Explanatory Notes |
Boiling Point = 135.7 degrees F; [CAMEO] |
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| Adverse Effects |
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| Toxic Pneumonitis |
Yes |
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| Dermatotoxin |
Skin Burns |
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| Links to Other NLM Databases |
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