Cobalt (2+) NTA

Synonyms

Cobalt nitrilotriacetic acid; Cobalt (2+) nitrilotriacetic acid; Cobaltate(1-), (N,N-bis(carboxymethyl)glycinato(3-)-N,O,O',O'')-, hydrogen; [ChemIDplus]

Category

Organic Acids, Metal Salts

Comments

"There is inadequate evidence in humans for the carcinogenicity of nitrilotriacetic acid and its salts." [IARC] NTA complexes of mercury, cadmium, and nickel degrade more slowly than complexes of lead, zinc, and iron; Undegraded NTA may accumulate in the environment; [HSDB]

Biomedical References

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

0.1 mg/m3, as Co

Yes

Possible (2b)

Anticipated human carcinogen

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic