Sulfur Dioxide (SO2)

GPTKB entity

Statements (56)
Predicate Object
gptkbp:instanceOf gptkb:chemical_compound
gptkbp:appearance colorless gas
gptkbp:aroma pungent, irritating
gptkbp:boilingPoint -10 °C
gptkbp:CASNumber 7446-09-5
gptkbp:chemicalFormula SO2
gptkbp:density 2.927 g/L (at 0 °C, 1 atm)
gptkbp:discoveredBy Johann Rudolf Glauber
gptkbp:discoveredIn circa 1648
gptkbp:environmentalImpact contributes to acid rain
gptkbp:exposureLimit NIOSH IDLH: 100 ppm
NIOSH REL: 2 ppm (TWA)
OSHA PEL: 5 ppm (TWA)
gptkbp:flammability non-flammable
gptkbp:GHSClassification Acute toxicity, Category 3 (inhalation)
Serious eye damage/eye irritation, Category 2A
Skin corrosion/irritation, Category 2
https://www.w3.org/2000/01/rdf-schema#label Sulfur Dioxide (SO2)
gptkbp:IUPACName sulfur dioxide
gptkbp:meltingPoint -72 °C
gptkbp:molecularWeight 64.066 g/mol
gptkbp:oxidationStates +4
gptkbp:primaryUse disinfectant
wine making
refrigerant
preservative
chemical intermediate
bleaching agent
gptkbp:producedBy volcanic eruptions
industrial processes
combustion of sulfur-containing fuels
gptkbp:produces sulfates (with alkalis)
sulfur trioxide (with oxygen)
sulfurous acid (with water)
gptkbp:PubChem_CID 1119
gptkbp:regulates subject to air quality standards
gptkbp:riskFactor toxic
irritant
gptkbp:solubility high
gptkbp:stateAtRoomTemperature gptkb:gasoline
gptkbp:storage compressed gas cylinders
gptkbp:structure O=S=O
gptkbp:synonym gptkb:sulphur_dioxide
sulfurous anhydride
gptkbp:type gptkb:chlorine
gptkb:water
hydrogen peroxide
oxygen
alkalis
gptkbp:usedIn paper industry
chemical synthesis
food preservation
wine stabilization
refrigeration (historically)
gptkbp:bfsParent gptkb:Air_Quality_Monitoring_Station
gptkbp:bfsLayer 7