| Agent Name |
Indium and compounds |
|---|
| CAS Number |
7440-74-6; varies |
|---|
| Formula |
In, varies |
|---|
| Major Category |
Metals |
|---|
| Synonyms |
Indium metal; Indium compounds; Indium trichloride; Indium oxide; Indium sulfate; Indium sulfide; Indium sesquioxide; Colliodal indium hydroxide; Trimethylindium; [Nordberg, p. 569] |
|---|
| Category |
Metals, Inorganic Compounds |
|---|
| Description |
Ductile, shiny, silver-white metal that is softer than lead; [NIOSH] Oxidation states: 1+, 2+, and 3+; Only 3+ stable in water; [Nordberg, p. 569] |
|---|
| Sources/Uses |
Used in bearings, solder, yellow glass, lubricants, motion picture screens, mirrors, transistors, and infrared detectors; [HSDB] Used in nuclear reactor control rods, semiconductors, and transistors; [CHEMINFO] Used to make semiconductors (indium phosphide and indium arsenide) and nanoparticles (indium phosphide); Also used in ceramic glazes, electoplating, dental alloys, solders, and medical radioisotopes; [Nordberg, p. 570] |
|---|
| Comments |
Ionic indium is toxic to the kidneys; Colloidal indium is toxic to the liver; A single case report of pulmonary fibrosis; The worker was exposed for 4 years to indium-tin oxide in a plant making flat-panel plasma screens; [Nordberg, p. 569] "A TLV-TWA of 0.1 mg/m3, measured as indium, is recommended for occupational exposure to indium and its compounds. This value is intended to minimize the potential for adverse effects on the lungs, including pulmonary edema, acute pneumonitis, and possible skeletal and gastrointestinal disorders." [ACGIH] |
|---|
| Exposure Assessment |
|---|
| Skin Designation (ACGIH) |
No |
|---|
| TLV (ACGIH) |
0.1 mg/m3, as In |
|---|
| Explanatory Notes |
mp = 156.6 deg C; [Nordberg, p. 569] |
|---|
| Adverse Effects |
|---|
| Toxic Pneumonitis |
Yes |
|---|
| Links to Other NLM Databases |
|---|
| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: INDIUM INDIUM COMPOUNDS
|
|---|
|
|
