Magnesium arsenate
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.
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: