Sulfur dioxide - Wikipedia
WebSulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula S O 2. It is a toxic gas responsible for the odor of burnt matches. It is released naturally by volcanic activity and is produced as a by-product of copper extraction and the burning of sulfur-bearing ...
Sulfur dioxide | Definition, Chemistry, Sources, Air ... - Britannica
WebApr 28, 2009 · Sulfur dioxide is an inorganic compound and is a heavy, colorless, poisonous gas. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture. It is a serious air pollutant and contributes to the formation of acid rain.
Sulfur Dioxide Basics | US EPA
WebLast updated on January 31, 2024. Sulfur dioxide (SO2) is one of a group of highly reactive gasses known as “oxides of sulfur," and are emitted into the air as result of fossil fuel combustion and other industrial processes.
Sulfur Dioxide | Encyclopedia.com
WebMay 23, 2018 · Sulfur dioxide, with chemical formula SO 2, is a colorless gas with an irritating, choking odor. Normally a gas, sulfur dioxide has a density of 2.551 g/L and a solubility in water of 9.4 g per 100 mL (at 25 ° C). It has a melting point of − 98.3 ° F ( − 72.4 ° C) and a boiling point of 14 ° F ( − 10 ° C).
HEALTH EFFECTS - Toxicological Profile for Sulfur Dioxide - NCBI …
WebSulfur dioxide can undergo transformation to sulfur trioxide and sulfuric acid. Sulfur dioxide tends to be a problem in urban industrial areas, particularly those where industrial activities utilize the combustion of fuels. Table 2-2 summarizes the health effects of sulfur dioxide. The results of controlled exposure studies in humans have ...
Sulfur Dioxide Basics | Sulfur Dioxide (SO2) Pollution | US EPA
WebApr 2, 2019 · Sulfur dioxide (SO2) is one of a group of highly reactive gasses known as “oxides of sulfur," and are emitted into the air as result of fossil fuel combustion and other industrial processes. Sulfur Dioxide Basics | Sulfur Dioxide (SO2) Pollution | US EPA
Sulfur Dioxide | Earthdata
WebNov 30, 2022 · Sulfur dioxide (SO2) is a non-inflammable colorless gas. SO2 is usually oxidized by ozone and hydrogen peroxide to form sulfur trioxide, a secondary pollutant that is extremely soluble in water. Droplets of sulfuric acid (acid rain) are formed when sulfur oxides are present in the atmosphere.
Sulfur oxide | Chemical Compound, Pollutant & Health Effects
Websulfur oxide, any of several compounds of sulfur and oxygen, the most important of which are sulfur dioxide (SO 2) and sulfur trioxide (SO 3 ), both of which are manufactured in huge quantities in intermediate steps of sulfuric acid manufacture. The dioxide is the acid anhydride (a compound that combines with water to form an acid) of sulfurous ...
Sulfur dioxide - NIST Chemistry WebBook
WebFormula: O 2 S. Molecular weight: 64.064. IUPAC Standard InChI: InChI=1S/O2S/c1-3-2. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: RAHZWNYVWXNFOC-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 7446-09-5. Chemical structure: This structure is also available as …
Sulfur Dioxide | Air & Radiation | US EPA
WebThis site provides information about sulfur dioxide and its effects.
Skip to content