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    Ascorbic acid

    1. Molecular Structure

    ascorbic acid 2D Structure

    2. Chemical Identity

    PropertyValue
    IUPAC Name(2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
    CAS Number50-81-7
    Molecular FormulaC6H8O6
    SMILESC(C(C1C(=C(C(=O)O1)O)O)O)O

    3. Chemical Properties

    PropertyValue
    AppearanceCrystals (usually plates, sometimes needles, monoclinic system)
    Molecular Weight176.12 g/mol
    TPSA107 Ų
    Formal Charge0

    4. Experimental Properties

    PropertyValue
    Density1.65 (NTP, 1992) – Denser than water; will sink
    Solubilitygreater than or equal to 100 mg/mL at 73 °F (NTP, 1992)
    Vapor PressureNo data available
    Vapor DensityNo data available
    Melting PointBetween 189 °C and 193 °C with decomposition
    Boiling PointNo data available
    Flash PointNo data available
    Autoignition Temp380 °C
    Decomposition190-192 °C
    Dissociation Constant4.7 (at 10 °C)
    pHBetween 2,4 and 2,8 (2 % aqueous solution)
    LogPlog Kow = -1.85
    Refractive IndexNo data available

    5. Supplier Suggestions

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

    6. GHS Safety & Hazards

    Signal Word
    Not Available
    None Classified

    Hazard Statements

    • No explicit Hazard statements found.

    Precautionary Statements

    • No explicit Precautionary statements found.
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