Sulphur dioxide - SIAD Società Italiana Acetilene e Derivati
Sulphur dioxide header
Sulphur dioxide, SO2, is a colourless, poisonous, toxic, corrosive, nonflammable, liquified gas with a sharp, pungent odour.
Pure sulphur dioxide is used:
- as a component in calibration gas mixtures for environmental monitoring systems
- and industrial hygiene gas mixtures
- in various chemical reactions.
Metals: Stainless Steel; Carbon Steel; Hastelloy C.
Plastics: Kel-F; PTFE; PVC.
Molecular Weight: 64.06
Specific Gravity (Air = 1): 2.3
Odour: Sharp, pungent
CAS Registry No.: 7446-09-5