Agent Name

Magnesium arsenate

CAS Number

10103-50-1

Formula

As-H3-O4.x-Mg

Major Category

Metals

Synonyms

Arseniate de magnesium [French]; Arsenic acid, magnesium salt; Magnesium O-arsenate; Magnesium arsenate phosphor; [ChemIDplus] UN1622

Category

Arsenic Compounds, Inorganic

Description

White solid; [Hawley]

Sources/Uses

Found in hoernesite and natural roesslerite; Used as an insecticide and to make fluorescent lamps; Not currently registered with the EPA for use in the US; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; May cause arsenic poisoning; [ICSC] 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
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: