Rhenium(VII) oxide

  • Rheniumheptoxide
Formula
Re2O7
Structure
Description
yellow hygroscopic crystals

Registry Numbers and Inventories.
CAS
1314-68-7
EC (EINECS/ELINCS)
215-241-9
EC Class
oxidizing, corrosive
S 26 36/37/39 45
UN (DOT)
3085
Merck
12,8344
Beilstein/Gmelin
142604 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
O7Re2
Formula mass
484.40
Melting point, °C
220
Boiling point, °C
363
Density
4.301 g/cm3 (331 C)
Solubility in water
Soluble

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
27
Incompatibilities
Reducing agents, active metals, halogens.
Decomposition
Irritating and toxic fumes and gases.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Substance is noncombustible. Use agent most appropriate to extinguish surrounding fire.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid.

Transport.
UN number
3085
Response guide
USCG CHRIS Code
xx
 
HS Code
2825 90 80