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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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SULFUR DIOXIDE
SULFUR DIOXIDE
CAS number: 7446-09-5
Synonyms: Sulphur dioxide, Sulfurous acid anhydride; Sulfurous anhydride; Sulfur oxide; Sulfurous oxide; Sulfur superoxide
Molecular formula: SO2
Chemical formula: O=S=O
TLV–STEL, 0.25 ppm (0.65 mg/m3)
A4 — Not Classifiable as a Human Carcinogen
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