Agent Name

Lead(II) arsenite

CAS Number

10031-13-7

Formula

As2-O4.Pb

Major Category

Metals

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.

Exposure Assessment
BEI

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]

TLV (ACGIH)

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

PEL (OSHA)

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

IDLH (NIOSH)

5 mg/m3, as As

Explanatory Notes

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

Adverse Effects
Anemia

Anemia, Aplastic

Neurotoxin

Sensorimotor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Reproductive Toxin

Yes

IARC Carcinogen

Probable Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

ACGIH Carcinogen

Confirmed Animal

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: