Agent Name

Cobaltous fluoride

CAS Number

10026-17-2

Formula

Co-F2

Major Category

Metals

Synonyms

Cobalt difluoride; Cobalt fluoride (CoF2); Cobalt(II) fluoride; [ChemIDplus] UN3288

Category

Metals, Inorganic Compounds

Description

Rose-red solid; Soluble in cold water; Decomposed by hot water; [Hawley] Red odorless powder; Soluble in water; [MSDSonline]

Sources/Uses

Used as catalyst for organic reactions; [Merck Index] Used as a fluorinating agent; [Ullmann]

Comments

A skin and eye irritant; [HSDB] An irritant; May cause skin sensitization; [MSDSonline] Handle with care because it is toxic and hygroscopic; [Ullmann] See "Cobalt" and "FLUORIDES."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.) Cobalt in urine = 15 ug/L; sample at end of shift at end of workweek;

TLV (ACGIH)

2.5 mg/m3, as F (0.02 mg/m3 as Co)

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, inhalable fraction, as F

IDLH (NIOSH)

250 mg/m3, as F

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."

Adverse Effects
Skin Sensitizer

Yes

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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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: