Gallium(III) iodide

  • Gallium triiodide
  • Triiodogallium
Formula
GaI3
Structure
Description
monoclinic crystals

Registry Numbers and Inventories.
CAS
13450-91-4
EC (EINECS/ELINCS)
236-611-6
34 42/43 63
22 26 27 36/37/39 45
UN (DOT)
3260
Beilstein/Gmelin
2373 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Korea ECL
Listed

Properties.
Formula
GaI3
Formula mass
450.44
Melting point, °C
212
Sublimation point, °C
160342
Density
4.15 g/cm3 (25 C)
Dielectric constant
5,83
Thermal expansion
6.2E-4/K
Heat of vaporization
64.5 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing. Faceshield (8-inch minimum).
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Acids.
Decomposition
Hydrogen iodide.

Fire.
Fire fighting
Extinguish using Noncombustible. Use extinguishing media appropriate to surrounding fire conditions. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
Corrosive. Causes burns. Possible risk of harm to the unborn child. May cause sensitization by inhalation and skin contact. Target organ(s): Thyroid.
   Ingestion
See Inhalation.
   Inhalation
TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
   Skin
Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician immediately.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   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
Assure adequate flushing of the eyes by separating the eyelids with fingers.

Transport.
UN number
3260
Response guide
Hazard class
8
Packing Group
II