Sulfur Dioxide

Sulfur Dioxide (SO2) is a colorless gas that gives off a choking odor; toxic and water-reactive. Even though it is not flammable, we still recommend a secure chemical storage building or container that meets specific regulations for storing Sulfur Dioxide. That’s why we suggest one of the following: CHEMLoc, DRUMLoc

Sulfur Dioxide Storing Details

  • Flammable Details:
  • Storage Details: Keep separated from incompatible substances. Store and handle in accordance with all current regulations and standards. Store in compliant chemical storage building.
  • Compatible Details: Powdered alkali metals (such as sodium & potassium), water, ammonia, zinc, aluminum, brass, copper [Note: Reacts with water to form sulfurous acid (H2SO3).]
  • Description: Sulfur dioxide is the chemical compound with the formula SO2. It is a toxic gas with a pungent, irritating smell, that is released by volcanoes and in various industrial processes.
  • Classification: CLASS 2.3
  • Brand Name: n/a

Sulfur Dioxide Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
SO2 2.63 kg/m³ 1°F (-1°C) n/a 64.066 g/mol Water-Reactive -97.°F (-7°C)




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