Hazard classDanger — Gas under pressure, Toxic, Health hazard, Corrosive
PictogramsGas under pressureToxicHealth hazardCorrosive
H-statements- H331 Toxic if inhaled
- H370 Causes damage to organs
- H314 Causes severe skin burns and eye damage
Common uses (US EPA CDR)Reducing agentDeodorizerProcessing aids not otherwise specifiedIntermediateChain transfer agentLeaching agent
Workplace exposure limitsNIOSH REL TWA 2 ppm (5 mg/m3) ST 5 ppm (13 mg/m3)
OSHA PEL TWA 5 ppm (13 mg/m3)
IDLH 100 ppmOccupational exposure limits — NIOSH Pocket Guide.
Synonymssulfur dioxide · sulphur dioxide · Sulfurous anhydride · Sulfurous oxide · Fermenicide liquid · Sulfurous acid anhydride · Sulfur superoxide · Fermenicide powder
Molecular weight64.07 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.