| Agent Name |
Calcium fluoride |
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| CAS Number |
7789-75-5 |
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| Formula |
Ca-F2 |
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| Major Category |
Other Classes |
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| Synonyms |
Acid-spar; Calcium difluoride; Calcium fluoratum; Calcium fluoride; Calcium fluoride (CaF2); Fluorite; Fluorspar; Fluorure de calcium; Irtran 3; Liparite; Met-spar; Natural fluorite; [ChemIDplus] |
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| Category |
Fluorides, Inorganic |
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| Description |
Gray powder that sinks in water; [CAMEO] White to clear crystals; Natural fluorite varies in color from clear to white, yellow, green, blue, purple, and brown; Some commercial grades of fluorite contain crystalline silica; [CHEMINFO] |
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| Sources/Uses |
The primary source of fluorine and fluorine compounds, it is used in the steel, chemical, ceramics, and glass industries. Used as a flux and catalyst; [Merck Index] Used as a welding flux; [Ullmann] |
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| Comments |
"Little acute toxicity;" [CAMEO] Normally stable, but decomposes into hydrogen fluoride when heated to 1200 deg C or mixed with concentrated acids; [CHEMINFO] |
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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; |
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| TLV (ACGIH) |
2.5 mg/m3, as F |
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| PEL (OSHA) |
2.5 mg/m3, as F |
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| MAK |
1 mg/m3, as F |
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| IDLH (NIOSH) |
250 mg/m3, as F |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: CALCIUM FLUORIDE
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