Agent Name

Sodium arsenite

CAS Number

7784-46-5

Formula

As-H-O2.Na

Major Category

Metals

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 inorganic compounds" and the linked occupational diseases.

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
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

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: