Chromium

CAS Registry Number®

7440-47-3

CAS Name

Chromium

Molecular Formula

Cr

Molecular Mass

52.00

Cite this Page

Chromium.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7440-47-3 (retrieved 2025-03-28) (CAS RN: 7440-47-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    2642 °C
  • Melting Point (2)

    1900 °C
  • Density (1)

    7.14 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
  • (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)

Other Names and Identifiers

InChI

InChI=1S/Cr

InChIKey

InChIKey=VYZAMTAEIAYCRO-UHFFFAOYSA-N

SMILES

[Cr]

Canonical SMILES

[Cr]

Other Names for this Substance

  • Chromium
  • Chrome
  • Chromium element
  • Alpaste RRA 030
  • Alpaste RRA 050

Deleted or Replaced CAS Registry Numbers

188785-87-7, 195161-82-1

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.