PRODUCT Properties
| Melting point: | 2450 °C (lit.) |
| Boiling point: | 4130 °C (lit.) |
| Density | 22.65 g/cm3 (lit.) |
| storage temp. | Flammables area |
| solubility | Soluble in aqua regia. |
| form | wire |
| color | White to pale yellow |
| Specific Gravity | 22.421 |
| Resistivity | 4.71 μΩ-cm |
| Water Solubility | INSOLUBLE |
| Merck | 13,5102 |
| Exposure limits | ACGIH: Ceiling 2 ppm OSHA: Ceiling 5 ppm(7 mg/m3) NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3) |
| Poissons Ratio | 0.26 |
| Hardness, Brinell | 352, Converted from Vickers for 3000 kg load/10 mm ball Brinell test. |
| Hardness, Rockwell A | 69, Converted from Vickers. |
| Shear Modulus | 208 GPa, Calculated |
| Hardness, Vickers | 370 |
| Modulus of Elasticity | 524 GPa |
| Hardness, Rockwell C | 37, Converted from Vickers. |
| CAS DataBase Reference | 7439-88-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Iridium(7439-88-5) |
| EPA Substance Registry System | Iridium (7439-88-5) |
Description and Uses
In manufacturing crucibles; in hardening platinum; in making nibs for fountain-pen points.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H228 |
| Precautionary statements | P210-P240-P241-P280-P370+P378 |
| Hazard Codes | F,Xi |
| Risk Statements | 36-36/37/38-11 |
| Safety Statements | 16-26-36/37/39 |
| RIDADR | UN 3089 4.1/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 4.1 |
| PackingGroup | III |
| HS Code | 28439000 |
| Hazardous Substances Data | 7439-88-5(Hazardous Substances Data) |
| Limited Quantities | 1.0 Kg (2.2 lbs) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
