Sulfur Dioxide Gas

CAS:  7446-09-5

Synonyms:    fermenticide liquid; sulfurous anhydride; sulphur dioxide; sulfur oxide

Uses:    manufacture of chemicals; recovery of volatile substances; sulfite, paper pulp, ore and metal refining; soybean protein; intermediates; solvent extraction of lubricating oils; preservative; winemaking, intermediate in sulfate-reducing organisms and in sulfur oxidizing bacteria

Hazard:  It may cause death or permanent injury after very short exposure to small quantities. 1,000 ppm causes death in from 10 minutes to several hours by respiratory depression. It is an eye and respiratory tract irritant. Persons with asthma, subnormal pulmonary functions or cardiovascular disease are at a greater risk.  Known Catalytic Activity; Water-Reactive