Cobaltous fluoride

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."

Biomedical References

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;

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

2.5 mg/m3, as F

1 mg/m3, inhalable fraction, 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."

Yes

Probable (2a)

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic