| Agent Name |
Uranium hexafluoride |
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| CAS Number |
7783-81-5 |
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| Formula |
F6-U |
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| Major Category |
Toxic Gases & Vapors |
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| Synonyms |
Uranium fluoride (UF6); Uranyl fluoride; Uranium hexafluoride, fissile (with more than 1% U-235) [UN2977]; Uranium hexafluoride, fissile excepted or non-fissile [UN2978] [ChemIDplus] |
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| Category |
Other Toxic Gases & Vapors |
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| Description |
Colorless to white crystals; [HSDB] |
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| Sources/Uses |
Used to manufacture fuel for nuclear power; [CAMEO] |
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| Comments |
Sublimes at room temperature; Reacts with water releasing uranyl fluoride and hydrogen fluoride; [HSDB] Low-level radioactive; "Chemical hazard greatly exceeds radiation hazard." Reacts with water to generate hydrogen fluoride gas; [CAMEO] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Not evaluated |
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| TLV (ACGIH) |
0.2 mg/m3, as U |
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| STEL (ACGIH) |
0.6 mg/m3, as U |
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| PEL (OSHA) |
0.05 mg/m3, as U |
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| Vapor Pressure |
115 mm Hg |
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| Explanatory Notes |
Melting point = 64.8 degrees C; [Merck Index, 9856] Soluble in chloroform; Decomposes in water; [ATSDR ToxProfiles] |
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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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