Cobaltous nitrate

Synonyms

Cobalt bis(nitrate); Cobalt dinitrate; Cobalt nitrate; Cobalt nitrate (Co(NO3)2); Cobalt(2+) nitrate; Cobalt(II) nitrate; Nitric acid, cobalt(2+) salt (2:1); [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Pale red solid; [Merck Index] Red crystals, soluble in water; [MSDSonline]

Sources/Uses

Used in pigments, invisible inks, ceramics, catalysts; supplements, fertilizers, animal feeds, and hair dyes; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; May cause skin sensitization and asthma after prolonged contact; [ICSC] Nitrous oxides formed when heated to decomposition; [MSDSonline] See "Cobalt." See "NITRATES and NITRITES."

Biomedical References

Cobalt in urine = 15 ug/L; sample at end of shift at end of workweek;

0.02 mg/m3, as Co

Explanatory Notes

mp = 55 deg C; [MSDSonline]

Yes

Yes

MetHgb is secondary toxic effect

Probable (2a)

Confirmed Animal

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Farming (Feed Additives)

Activities

Activities with risk of exposure:

• Ceramics making