Sodium arsenite

Agent Name
Sodium arsenite
CAS Number
7784-46-5
Formula
As-H-O2.Na
Major Category
Metals
Sodium arsenite formula graphical representation
Synonyms
Arsenenous acid, sodium salt; Arsenious acid, monosodium salt; Arsenious acid, sodium salt; Arsenite de sodium [French]; Atlas "A"; Chem Pels C; Chem-Sen 56; Kill-All; Penite; Prodalumnol; Prodalumnol double; Rat Death Liquid; Sodanit; Sodium arsenite; Sodium metaarsenite; Sodium dioxoarsenate; [ChemIDplus] UN2027; UN1686 (aqueous solution)
Category
Arsenic Compounds, Inorganic
Description
White or gray-white solid, soluble in water and absorbs CO2; [Hawley]
Sources/Uses
Used as a pesticide (termites and vineyard scale diseases), corrosion inhibitor, hide preserver, antiseptic, veterinary medicine (topical acaricide, cattle dip, and anthelmintic); Also used in soaps for taxidermists and to make dyes; [HSDB]
Comments
Toxic by inhalation, ingestion, and skin contact; [CAMEO] A skin, eye, and respiratory tract irritant; "The substance may have effects on the peripheral nervous system, cardiovascular system, bone marrow, kidneys, liver and mucous membranes, resulting in neuropathy, cardiovascular disorders, lesions of blood cells, kidney impairment, cirrhosis and perforation of nasal septum. This substance is carcinogenic to humans." [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;
Skin Designation (ACGIH)
Insufficient data
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
Activities

Activities with risk of exposure: