Sulfur dioxide
CAS Registry Number®
7446-09-5
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CAS Name
Sulfur dioxideMolecular Formula
O2SMolecular Mass
64.06Cite this Page
Sulfur dioxide. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?ref=7446-09-5 (retrieved ) (CAS RN: 7446-09-5). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
-10.05 °CMelting Point (1)
-75.5 °CDensity (1)
2.811 x 10-3 g/cm³
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
InChI=1S/O2S/c1-3-2
InChIKey
InChIKey=RAHZWNYVWXNFOC-UHFFFAOYSA-N
SMILES
S(=O)=O
Canonical SMILES
O=S=O
Other Names for this Substance
- Sulfur dioxide
- Sulfur superoxide
- Sulfurous acid anhydride
- Sulfurous anhydride
- Sulfurous oxide
Deleted or Replaced CAS Registry Numbers
8014-94-6, 12396-99-5, 83008-56-4, 89125-89-3, 1239882-82-6
