Zinc arsenate

  • Zinc orthoarsenate
Formula
Zn3(AsO4)2
Structure
Description
White powder.
Uses
Herbicide, Insecticide, Rodenticide

Registry Numbers and Inventories.
CAS
13464-44-3
EC (EINECS/ELINCS)
236-683-9
UN (DOT)
1712
Merck
12,10277
Beilstein/Gmelin
132882 (G)
EPA OPP
13301
Korea ECL
Listed

Properties.
Formula
As2O8Zn3
Formula mass
474.01
Melting point, °C
1010
Density
3.82 - 3.98 g/cm3

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
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Keep material out of water sources and sewers.
Stability
No data.

Fire.
Fire fighting
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use water in flooding quantities as fog. Use foam, dry chemical, or carbon dioxide.
Fire potential
Non-Combustible
Hazards
Containers may explode when heated. Runoff may pollute waterways.
Combustion products
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Health.
Exposure limit(s)
10 µg/m3 PEL
Carcinogin
O, G-A1, I-1, N-1, CP65
Exposure effects
   Ingestion
See inhalation.
   Inhalation
Dust may irritate eyes. Ingestion or excessive inhalation of dust causes burning of mouth, abdominal pain, vomiting, diarrhea with hemorrhage, dehydration, jaundice, and collapse.
   Skin
See inhalation.
   Eyes
See inhalation

First aid
 
   Ingestion
Immediately induce evacuation of intestinal tract by inducing vomiting and giving gastric lavage and saline cathartic; see physician at once; consider development of arsenic poisoning.
   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. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Flush with water to remove dust.

Transport.
UN number
1712
Response guide
Hazard class
6.1
Packing Group
II
 
USCG CHRIS Code
ZAR
 
Std. Transport #
4923490