| Agent Name |
Cobaltous fluoride |
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| CAS Number |
10026-17-2 |
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| Formula |
Co-F2 |
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| Major Category |
Metals |
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| Synonyms |
Cobalt difluoride; Cobalt fluoride (CoF2); Cobalt(II) fluoride; [ChemIDplus] UN3288 |
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| Category |
Metals, Inorganic Compounds |
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| Description |
Rose-red solid; Soluble in cold water; Decomposed by hot water; [Hawley] Red odorless powder; Soluble in water; [MSDSonline] |
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| Sources/Uses |
Used as catalyst for organic reactions; [Merck Index] Used as a fluorinating agent; [Ullmann] |
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| Comments |
A skin and eye irritant; [HSDB] An irritant; May cause skin sensitization after prolonged contact; [MSDSonline] Handle with care because it is toxic and hygroscopic; [Ullmann] See "Cobalt" and "FLUORIDES." |
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| Exposure Assessment |
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| BEI |
Fluorides in urine = 3 mg/g creatinine prior to shift or 10 mg/g creatinine at end of shift; Cobalt in urine = 15 ug/L; cobalt in blood = 1 ug/L; sample at end of shift at end of workweek; |
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| TLV (ACGIH) |
2.5 mg/m3, as F (0 .02 mg/m3, as Co) |
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| PEL (OSHA) |
2.5 mg/m3, as F |
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| MAK |
1 mg/m3, inhalable fraction, as F |
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| IDLH (NIOSH) |
250 mg/m3, as F |
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| Explanatory Notes |
Also see TLV for Cobalt and inorganic compounds, as Co = 0.02 mg/m3; The Guide in the Emergency Response Guidebook is for "Toxic solid, inorganic, n.o.s." |
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| Adverse Effects |
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| Skin Sensitizer |
Yes |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: COBALTOUS FLUORIDE
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