Indium

Formula
In
Structure
Description
Ductile, shiny, silver-white metal that is softer than lead.
Uses
Indium is added to alloys to reduce corrosion and increase hardness.

Registry Numbers and Inventories.
CAS
7440-74-6
EC (EINECS/ELINCS)
231-180-0
RTECS
NL1050000
RTECS class
Other
UN (DOT)
3089
Merck
13,4971
Beilstein/Gmelin
1081 (G)
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
In
Formula mass
114.82
Melting point, °C
156
Boiling point, °C
2000
Density
7.3 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use. Flammables-area.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents - strong acids.
Decomposition
Irritating and toxic fumes and gases.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire.
Hazards
Oxides from metallic fires are a severe health hazard. Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure limit(s)
NIOSH REL*: TWA 0.1 mg/m3 [*Note: The REL also applies to other indium compounds (as In).]
Exposure effects
   Ingestion
See Inhalation.
   Inhalation
Substance or decomposition products may cause severe injury or death.
   Skin
See Inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Transport.
UN number
3089
Response guide
Hazard class
4.1
Packing Group
II; III