Silver arsenite

  • Arsenous acid, trisilver(1+) salt
Formula
Ag3AsO3
Structure
Description
A fine yellow powder.
Uses
Used to make dyes and insecticides.

Registry Numbers and Inventories.
CAS
7784-08-9
EC (EINECS/ELINCS)
232-048-5
RTECS
CG3884000
RTECS class
Other
UN (DOT)
1683
Beilstein/Gmelin
171042 (G)
Korea ECL
Listed

Properties.
Formula
Ag3AsO3
Formula mass
446.53

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.) Keep run-off water out of sewers and water sources. Use alcohol foam, dry chemical or carbon dioxide.
Fire potential
Combustible material: may burn but does not ignite readily.
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
Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
   Skin
See inhalation.
   Eyes
See inhalation

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
1683
Response guide
Hazard class
6.1
Packing Group
II
 
Std. Transport #
4923454