Agent Name

Calcium arsenite

CAS Number

52740-16-6

Formula

As-H2-O3.Ca

Major Category

Metals

Synonyms

Arsenous acid, calcium salt; Arsonic acid, calcium salt (1:1); Calcarin arsenicosa; Calcium arsenicosum; Calcium arsonate; Calcium arsonate (1:1); Calcium meta-arsenite; Mono-calcium arsenite; [ChemIDplus] UN1574

Category

Arsenic Compounds, Inorganic

Description

White solid; Slightly soluble in water; [Merck Index]

Sources/Uses

Used as an insecticide, germicide, and molluscicide; [Merck Index]

Comments

A skin, eye, and mucous membrane irritant; May cause arsenic poisoning; [CAMEO] 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

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: