Tin oxide (SnO)

CAS Registry Number®

21651-19-4

CAS Name

Tin oxide (SnO)

Molecular Formula

OSn

Molecular Mass

134.71

Cite this Page

Tin oxide (SnO).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=21651-19-4 (retrieved 2025-07-18) (CAS RN: 21651-19-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    1080 °C

  • Density (2)

    6.45 g/cm³

Source(s)

  • (1) Metal-Organics Catalog physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (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/O.Sn

InChIKey

InChIKey=QHGNHLZPVBIIPX-UHFFFAOYSA-N

SMILES

O=[Sn]

Canonical SMILES

O=[Sn]

Other Names for this Substance

  • Tin oxide (SnO)
  • Stannous oxide
  • Tin(II) oxide
  • Tin monoxide
  • Tin(2+) oxide

View All

Deleted or Replaced CAS Registry Numbers

1314-10-9, 12396-93-9, 12534-17-7, 405230-74-2