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.

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
Reproductive Toxin

Yes

Neurotoxin

Sensorimotor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Anemia

Anemia, Aplastic

IARC Carcinogen

Known Carcinogen

NTP Carcinogen

Human Carcinogen

ACGIH Carcinogen

Confirmed Human

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: