Iodine pentoxide

  • Iodic anhydride
  • Diiodine pentaoxide
Formula
I2O5
Structure
Description
Needle-like crystals.
Uses
Oxidizes carbon monoxide to carbon dioxide.

Registry Numbers and Inventories.
CAS
12029-98-0
EC (EINECS/ELINCS)
234-740-2
EC Class
oxidizing, irritant
R 8 36/38
UN (DOT)
3085
Merck
12,5040
Beilstein/Gmelin
26796 (G)
Swiss Giftliste 1
G-1724
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
I2O5
Formula mass
317.80
Decomposition point, °C
~300
Density
4.79 g/cm3
Solubility in water
Soluble

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 away from combustible materials. Avoid contact unless wearing appropriate protective clothing. Stop leak if you can do it without risk. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.
Disposal code
22
Stability
No data.
Incompatibilities
Keep away from light, moistrue, organic materials, strong reducing agents, combustible materials.

Fire.
Fire fighting
Small Fires: Use water. Do not use dry chemicals or foams. carbon dioxide or Halon may provide limited control. Large Fires: Flood fire area with water from a distance.
Fire potential
These substances will accelerate burning when involved in a fire.
Hazards
May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
 
Special
O

Health.
Poison_Class
2
Exposure effects
   Ingestion
Ingestion may cause severe injury, burns, or death.
   Inhalation
Vapors may cause injury, burns, death.
   Skin
Contact may result in injury, burns and death.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes.
   Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Transport.
UN number
3085
Response guide
Hazard class
5.1
Packing Group
I; II; III
 
HS Code
2811 29 90