Niobium
SIAL/IRMM525C - IRMM®, certified reference material, 0.5 mm wire
Synonym: Columbium
CAS Number: 7440-03-1
Empirical Formula (Hill Notation): Nb
Molecular Weight: 92.91
MDL Number: MFCD00011126
Linear Formula: Nb
Product Type: Chemical
| agency | IRMM® |
| application(s) | general analytical |
| bp | 4742 °C (lit.) |
| density | 8.57 g/mL at 25 °C (lit.) |
| format | matrix material |
| grade | certified reference material |
| InChI | 1S/Nb |
| InChI key | GUCVJGMIXFAOAE-UHFFFAOYSA |
| manufacturer/tradename | JRC |
| mp | 2468 °C (lit.) |
| resistivity | 13-16 μΩ-cm, 20°C |
| SMILES string | [Nb] |
| Analysis Note: | For more information please see: IRMM525C ![]() |
| Legal Information: | IRMM is a registered trademark of European Commission |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| bp | 4742 °C (lit.) |
| mp | 2468 °C (lit.) |
| Density | 8.57 g/mL at 25 °C (lit.) |
| UNSPSC | 41116107 |

