Copper(II) arsenate

  • Copper(II) orthoarsenate
  • Arsenic acid, copper salt
Formula
Cu3(AsO4)2
Structure
Description
Blue to bluish-green powder
Uses
Herbicide, Insecticide, Rodenticide

Registry Numbers and Inventories.
CAS
10103-61-4
EC (EINECS/ELINCS)
233-286-2
UN (DOT)
1557
Beilstein/Gmelin
30259 (G)
EPA OPP
22801
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
As2Cu3O8
Formula mass
468.48
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Protective gloves and clothing. Face shield or eye protection in combinaiton with breathing protection if in powder form.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability
No data.

Fire.
Fire fighting
Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Water spray, fog or regular foam.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
Containers may explode when heated.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure limit(s)
TLV (as As): ppm; 0.2 mg/m3 (ACGIH 1992-1993).
Carcinogin
O, G-A1, I-1, N-1, CP65
Exposure effects
   Ingestion
Abdominal pain, diarrhea, vomiting.
   Inhalation
Acute effects - Burning sensation behind the brestbone, cough, headache, labored breathing, weakness. Aerosol irritates the eyes and respiratory tract. May cause effects on the central nervous and circulatory systems, resulting in severe hemorraging, loss of fluids and electrolytes, collapse, shock and death. Exposure at low levels may result in death. Effects may be delayed.<BR>Chronic effects - Skin sensitization and dermatitis. May have effects on the perpheral nervous system, skin, mucous membranes and liver, resulting in neuropathy, pigmemtation disorders, perforation of the nasal septum and cirrhosis. Carcinogenic to huans.
   Skin
May be absorbed through the skin.
   Eyes
Redness, pain.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
1557
Response guide
Hazard class
6.1
Packing Group
I; II; III