Sodium cobaltinitrite

Synonyms

Sodium cobalt nitrite; Sodium hexanitrocobaltate; Sodium nitrocobaltate (III); Trisodium hexanitritocobaltate; Trisodium hexanitritocobaltate(3-); Trisodium hexanitrocobaltate; Trisodium hexanitrocobaltate(3-); [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Yellow to brownish-yellow odorless crystalline powder; Soluble in water; [MSDSonline]

Sources/Uses

Used to detect potassium (with which it forms a slightly soluble compound); [Merck Index]

Comments

"All salts of sodium, potassium, and ammonium are soluble, except sodium antimonite, potassium hexachlorplatinate, and potassium cobalinitrite." [Nordberg, p. 19] An irritant; May cause skin and respiratory tract sensitization; Contains nitrite which causes methemoglobinemia after ingestion; [MSDSonline] See "Cobalt" and "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

Yes

Yes

MetHgb is secondary toxic effect

Probable (2a)

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic