Lead(II) arsenite

Synonyms

Arsenenous acid, lead(2+) salt; Lead arsenite; [ChemIDplus] UN1618

Category

Lead Compounds, Inorganic

Description

White solid; Insoluble in water; [Merck Index]

Sources/Uses

Used as an insecticide; [Merck Index]

Comments

A skin, eye, and respiratory tract irritant; May cause severe gastroenteritis, pigmentation disorders, nasal septum perforation, anemia, cardiac disorders, neuropathy, liver injury, and kidney injury; A human carcinogen and reproductive toxicant; [ICSC] See "Arsenic" and the linked occupational diseases. See "Lead" and the linked occupational diseases.

Biomedical References

Lead in blood = 200 ug/L (20 ug/100 ml); sampling time not critical; Inorganic arsenic plus methylated metabolites in urine = 35 ug As/L; end of workweek; [ACGIH]

0.05 mg/m3, as Pb (0.01 mg/m3, as As)

0.05 mg/m3, as Pb (0.01 mg/m3, as As)

5 mg/m3, as As

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Lead arsenites."

Aplastic anemia

Sensorimotor

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

Yes

Yes

Probable (2a)

Anticipated human carcinogen

Confirmed Animal

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)