Nitrogen

CAS Registry Number®

7727-37-9

CAS Name

Nitrogen

Molecular Formula

N2

Molecular Mass

28.01

Cite this Page

Nitrogen.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7727-37-9 (retrieved 2025-07-12) (CAS RN: 7727-37-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    -195.79 °C

  • Melting Point (1)

    -210.01 °C

  • Density (2)

    0.80606 g/cm³ @ Temp: -196 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/N2/c1-2

InChIKey

InChIKey=IJGRMHOSHXDMSA-UHFFFAOYSA-N

SMILES

N#N

Canonical SMILES

N#N

Other Names for this Substance

  • Nitrogen
  • Nitrogen gas
  • Nitrogen-14
  • Dinitrogen
  • Molecular nitrogen

View All

Deleted or Replaced CAS Registry Numbers

93037-13-9, 156457-45-3, 161728-27-4, 263005-65-8, 745765-07-5, 778548-56-4, 794449-54-0, 882528-56-5, 951778-24-8, 1119449-41-0, 1384252-82-7, 2194529-25-2, 2457359-14-5

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