266299

Chromium

powder, ≥99% trace metals basis, <45 μm

• Synonym(s): Cd
• Empirical Formula (Hill Notation): Cr
• CAS Number: 7440-47-3
• Molecular Weight: 52.00
• EC Number: 231-157-5
• MDL number: MFCD00010944
• UNSPSC Code: 12161600
• PubChem Substance ID: 24856133
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥99% trace metals basis
• form: powder
• reaction suitability: core: chromium; reagent type: catalyst
• resistivity: 12.7 μΩ-cm, 20°C
• particle size: <45 μm
• bp: 2672 °C (lit.)
• mp: 1857 °C (lit.)
• density: 7.14 g/mL at 25 °C (lit.)
• SMILES string: [Cr]
• InChI: 1S/Cr
• InChI key: VYZAMTAEIAYCRO-UHFFFAOYSA-N

Description

General description

Chromium is widely used as a catalyst in chemical synthesis. It is also used in the preparation of other chromium-based compounds.

Application

Chromium (Cr) powder can be used in the preparation of Cr-based nanoporous metal-organic frameworks in activated carbon. This composite is used as an adsorbent for the removal of contaminants of emerging concern (CECs) from water.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)