Ductile, shiny, silver-white metal that is softer than lead.
Indium is added to alloys to reduce corrosion and increase hardness.
Registry Numbers and Inventories.
Melting point, °C
Boiling point, °C
7.3 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use. Flammables-area.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
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.
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stable under normal temperatures and pressures.
Strong oxidizing agents - strong acids.
Irritating and toxic fumes and gases.
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.
Oxides from metallic fires are a severe health hazard. Fire may produce irritating, corrosive and/or toxic gases.
NIOSH REL*: TWA 0.1 mg/m3 [*Note: The REL also applies to other indium compounds (as In).]
Substance or decomposition products may cause severe injury or death.
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Remove from exposure to fresh air immediately.
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.