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    Sulfur dioxide

    1. Molecular Structure

    Sulfur dioxide 2D Structure

    2. Chemical Identity

    PropertyValue
    IUPAC Namesulfur dioxide
    Molecular FormulaO2S
    SMILESO=S=O

    3. Chemical Properties

    PropertyValue
    Molecular Weight64.07 g/mol
    TPSA35.1 Ų
    LogP0.1
    Formal Charge0

    4. Experimental Properties

    PropertyValue
    Boiling Point14 °F at 760 mmHg (EPA, 1998)
    Melting Point-75.5 °C
    DensityDensity: 1.434 at 0 °C (liquid); vapor pressure: 2538 mm Hg at 21.1 °C
    SolubilityIn water, 1.07X10+5 mg/L at 21 °C
    Flash PointNo data available
    Autoignition TempNot flammable (USCG, 1999)

    5. Supplier Suggestions

    SupplierWebsiteLocation
    Sigma Aldrich/MerckVisit MerckInternational
    LennoxVisit LennoxIreland
    Doc SolderVisit Doc SolderIreland

    6. GHS Safety & Hazards

    Signal Word
    Danger
    GHS PictogramGHS PictogramGHS PictogramGHS PictogramGHS Pictogram

    Hazard Statements

    • H280 (19.3%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
    • H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
    • H314 (83.7%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
    • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
    • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
    • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
    • H331 (82.2%): Toxic if inhaled [Danger Acute toxicity, inhalation]
    • H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
    • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
    • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]

    Precautionary Statements

    • P260, P261, P264, P264+P265, P270, P271, P280, P304+P340, P305+P351+P338, P308+P316, P316, P319, P321, P337+P317, P403+P233, P405, P410+P403, and P501 (click each P-code to see the statement)
    • P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
    • P260, P261, P264, P270, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P308+P316, P316, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
    • P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P403+P233, P405, P410+P403, and P501 (click each P-code to see the statement)
    • P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
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