Ammonium arsenate
Agent Name
Ammonium arsenate
CAS Number
7784-44-3
Formula
As-H-O4.2H4-N
Major Category
Metals
Synonyms
Ammonium acid arsenate; Diammonium arsenate; Diammonium hydrogen arsenate; Diammonium monohydrogen arsenate; Dibasic ammonium arsenate; Secondary ammonium arsenate; Arsenic acid, diammonium salt; [ChemIDplus] UN1546
Category
Arsenic Compounds, Inorganic
Description
White solid, soluble in water; Decomposes in hot water; [Hawley]
Comments
A skin, eye, and respiratory tract irritant; May cause arsenic poisoning; [ICSC] Toxic by ingestion; [MSDSonline] See "Arsenic" and the linked occupational diseases.
Biomedical References
Exposure Assessment
BEI
Inorganic arsenic plus methylated metabolites in urine = 35 ug As/L; end of workweek;
TLV (ACGIH)
0.01 mg/m3, as As
PEL (OSHA)
0.01 mg/m3, as As
IDLH (NIOSH)
5 mg/m3, as As
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
Reproductive Toxin
Yes
IARC Carcinogen
Established
NTP Carcinogen
Human carcinogen
ACGIH Carcinogen
Confirmed Human
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: