Lead arsenate
Agent Name
Lead arsenate
CAS Number
3687-31-8
Formula
As-H3-O4.3/2Pb
Major Category
Metals
Synonyms
Nu Rexform; Talbot; Arsenic acid, lead(2+) salt (2:3); Trilead diarsenate; [ChemIDplus]
Category
Arsenic Compounds, Inorganic
Description
White odorless powder (colored pink by law in most states); [ACGIH]
Sources/Uses
Used to kill moths, leaf rollers, and other chewing insects and to treat lawns to kill Japanese and Asiatic beetles; [ACGIH]
Comments
TLV Basis: damage to kidney and GI, CNS, and hematologic systems; [ACGIH] See "Lead" and the linked occupational diseases. See "Arsenic" and the linked occupational diseases.
Biomedical References
Exposure Assessment
BEI
See BEIs for lead and arsenic.
Skin Designation (ACGIH)
Insufficient data
PEL (OSHA)
0.01 mg/m3, as As (0.05 mg/m3, as Pb)
IDLH (NIOSH)
5 mg/m3
Explanatory Notes
Withdrew adopted documentation and TLV due to insufficient data (2008); [ACGIH]
Adverse Effects
Anemia
Aplastic anemia
Neurotoxin
Sensorimotor
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Reproductive Toxin
Yes
IARC Carcinogen
Established
NTP Carcinogen
Anticipated human carcinogen
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: