Lead (2+) NTA

Synonyms

Plumbate(1-), (N,N-bis(carboxymethyl)glycinato(3-)-N,O,O',O'')-, hydrogen, (T-4)-; [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] See "Lead" and linked occupational diseases.

Biomedical References

Lead in blood = 200 ug/L (20 ug/100 ml); sampling time not critical; [ACGIH]

0.05 mg/m3, as Pb

0.05 mg/m3, as Pb

Predominantly motor

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Yes

Diseases

Occupational diseases associated with exposure to this agent:

• Lead, subacute toxic effect