Copper arsenate

Synonyms

Arsenic acid (H3AsO4), copper(2+) salt (2:3); [ChemIDplus]

Category

Arsenic Compounds, Inorganic

Description

Light blue, blue, or bluish green solid; [Hawley] Blue-green to blue insoluble powder; [Ullmann]

Sources/Uses

Used as an insecticide and fungicide; [Hawley] Used as an insecticide, fungicide, rodenticide, wood preservative, and antifouling pigment; [Ullmann]

Comments

"Copper Arsenate" is "probably the basic cupric arsenate." It has variable composition with approximately 33% copper and 29% arsenic. [Hawley] See "Arsenic " and the linked occupational diseases.

Biomedical References

Inorganic arsenic plus methylated metabolites in urine = 35 ug As/L; end of workweek;

0.01 mg/m3, as As

0.01 mg/m3, as As

0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds)

5 mg/m3, as As

Aplastic anemia

Sensorimotor

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Established

Human carcinogen

Confirmed Human

Diseases

Occupational diseases associated with exposure to this agent:

• Arsenic, chronic toxic effect

Processes

Industrial Processes with risk of exposure:

• Applying Wood Preservatives
• Farming (Pesticides)
• Painting (Pigments, Binders, and Biocides)