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Iodine

CAS Registry Number®

7553-56-2

CAS Name

Iodine

Molecular Formula

I2

Molecular Mass

253.81

Cite this Page

Iodine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7553-56-2 (retrieved 2024-12-04) (CAS RN: 7553-56-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    184.4 °C @ Press: 800 Torr

  • Melting Point (1)

    113.7 °C

  • Density (2)

    4.9 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/I2/c1-2

InChIKey

InChIKey=PNDPGZBMCMUPRI-UHFFFAOYSA-N

SMILES

II

Canonical SMILES

II

Other Names for this Substance

  • Iodine
  • Iodine crystals
  • Iodine sublimed
  • Iodine colloidal
  • Eranol

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Deleted or Replaced CAS Registry Numbers

8012-81-5, 8012-85-9, 8031-47-8, 24503-90-0

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