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.

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

Anemia, Aplastic

Neurotoxin

Sensorimotor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

IARC Carcinogen

Known Carcinogen

NTP Carcinogen

Human Carcinogen

ACGIH Carcinogen

Confirmed Human

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: