Potassium arsenate
Agent Name
Potassium arsenate
CAS Number
7784-41-0
Formula
As-H2-O4.K
Major Category
Metals
Synonyms
Arsenic acid (H3AsO4), monopotassium salt; Arsenic acid, monopotassium salt; Macquer's salt; Monopotassium arsenate; Monopotassium dihydrogen arsenate; Potassium acid arsenate; Potassium arsenate, monobasic; Potassium dihydrogen arsenate; Potassium dihydrogen arsenate (KH2AsO4); Potassium hydrogen arsenate; Potassium hydrogen arsenate (KH2AsO4); [ChemIDplus] UN1677
Category
Arsenic Compounds, Inorganic
Description
Colorless or white solid; [Merck Index] White crystals or powder; [MSDSonline]
Sources/Uses
Used in the textiles, tanning, paper production, and insecticidal fly paper; [Merck Index]
Comments
A strong irritant; [Hawley] A skin, eye, and respiratory tract irritant; Can cause arsenic poisoning; [ICSC] An irritant; [CAMEO]; [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:
Processes
Industrial Processes with risk of exposure: