Agent Name

Calcium fluoride

CAS Number

7789-75-5

Formula

Ca-F2

Major Category

Other Classes

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]

Category

Fluorides, Inorganic

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]

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]

Comments

"Little acute toxicity;" [CAMEO] Normally stable, but decomposes into hydrogen fluoride when heated to 1200 deg C or mixed with concentrated acids; [CHEMINFO] See "FLUORIDES."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, as F, inhalable fraction

IDLH (NIOSH)

250 mg/m3, as F, as F

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: