Agent Name

Copper arsenate

CAS Number

7778-41-8

Formula

As-H3-O4.3/2Cu

Major Category

Metals

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.

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

MAK

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

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
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: