Agent Name

Cobalt (2+) NTA

CAS Number

53108-50-2

Formula

C6-H6-Co-N-O6.H

Major Category

Metals

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]

Exposure Assessment
BEI

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

TLV (ACGIH)

0.1 mg/m3, as Co

Adverse Effects
Skin Sensitizer

Yes

IARC Carcinogen

Possible Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

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: