Chem
J-GLOBAL ID:200907079749640770   Nikkaji number:J3.737K

Sulfur dioxide

二酸化硫黄
Substance type:
Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Decided structure
Molecular formula: O2S
Molecular formula furigana: O2-S
Molecular weight: 64.060
InChI: InChI=1S/O2S/c1-3-2
InChI key: RAHZWNYVWXNFOC-UHFFFAOYSA-N
SMILES: O=S=O
Systematic name  (4):
  • 硫黄(IV)ジオキシド
  • 硫黄(VI)ジオキシド
  • (オキソ-λ4-スルファニリデン)オキシダン
  • (oxo-λ4-sulfanylidene)oxidane
Other name (13):
  • Sulfurous oxide
  • Fermenicide liquid
  • Sulfur(IV) dioxide
  • Sulfurous acid anhydride
  • 亜硫酸ガス
Show all
CAS registry number: 7446-09-5
Regulation number (3):
  • (1)-536
  • EINECS2311952
  • TSCA(7446-09-5)
KEGG DRUG: D05961
KEGG COMPOUND: C09306
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