File:Sulfur-dioxide-2D.svg · Wikimedia Commons · See Wikimedia Commons
sulfur dioxide
Sign in to saveAlso known as sulfurous acid anhydride, sulfurous oxide, sulfur oxide, Sulphur dioxide , sulfur dioxide, SO2, sulfurous anhydride, R-764, sulphur dioxide
chemical compound
Sulfur dioxide is a chemical compound made of sulfur and oxygen that is commonly released into the air from burning fossil fuels and industrial processes. It matters because it can harm air quality and human health, and it plays a role in acid rain formation.
AI-generated from the Wikipedia summary — may contain errors.
Chemical data
- Formula
- O2S
- Molecular weight
- 64.07 g/mol
- IUPAC name
- sulfur dioxide
- SMILES
- O=S=O
- InChIKey
- RAHZWNYVWXNFOC-UHFFFAOYSA-N
- XLogP
- 0.1
- Polar surface area
- 35.1 Ų
- H-bond donors
- 0
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
Research
12,880 papers- Bioprotection strategies in winemaking.ReviewInternational journal of food microbiology · 2022Gianvito PD, Englezos V, Rantsiou K et al.DOI: 10.1016/j.ijfoodmicro.2022.109532
- [Sulfur dioxide-induced bronchial constriction in asthmatics and its prophylaxis by salbutamol].Zhonghua nei ke za zhi · 1990Luo ZY, Zheng JP, Luo DF
- A novel fluorescent probe utilizing Michael addition for the rapid detection of sulfur dioxide derivatives in food.Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · 2025Xu H, Zhang Y, Ren X et al.DOI: 10.1016/j.saa.2025.125946
- Breathing sulphur dioxide.ReviewFood and cosmetics toxicology · 1973
- Short-term exposure to sulphur dioxide (SO(2)) and all-cause and respiratory mortality: A systematic review and meta-analysis.Environment international · 2021Orellano P, Reynoso J, Quaranta NDOI: 10.1016/j.envint.2021.106434
- A review on dry-based and wet-based catalytic sulphur dioxide (SO(2)) reduction technologies.ReviewJournal of hazardous materials · 2022Ng KH, Lai SY, Jamaludin NFM et al.DOI: 10.1016/j.jhazmat.2021.127061
- [The effect of quiet breathing of nitrogen dioxide and sulfur dioxide on the sensitivity of the respiratory tract to hyperventilation of sulfur dioxide].Pneumologie (Stuttgart, Germany) · 1990Jörres R, Boerger S, Kursawe IS et al.
- Properties and use of sulphur dioxide.ReviewFood additives and contaminants · 1992Usseglio-Tomasset LDOI: 10.1080/02652039209374090
via PubMed
Wikidata facts
- Mass
- 63.962
Show 18 more facts
- Commons category
- Sulfur dioxide
- canonical SMILES
- O=S=O
- NIOSH Pocket Guide ID
- 0575
- speed of sound
- 213
- immediately dangerous to life or health
- 262
- melting point
- -75.5
- boiling point
- -10.05
- vapor pressure
- 3.2
- solubility
- 10
- ionization energy
- 12.32
- time-weighted average exposure limit
- 13
- short-term exposure limit
- 13
- chemical formula
- SO₂
- density
- 0.002927
- MCN code
- 2811.29.10
- standard molar entropy
- 248.2
- standard enthalpy of formation
- -296.9
- electric dipole moment
- 1.633
Sources (8)
via Wikidata · CC0
~34 min read
Article
Spacefill model of sulfur dioxide
Names
Gallery (13)
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