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    Potassium sorbate

    Others

     
    Names
     
    IUPAC name
    Potassium (2E,4E)-hexa-2,4-dienoate
    E202
    Sorbistat-K
    Sorbistat potassium
     
    Identifiers
     
    CAS Number
    24634-61-5
    3D model (JSmol)
    ChEBI
    CHEBI:77868
    ChEMBL
     
    ChemSpider
    4445644
    DrugBank
     
    ECHA InfoCard
    100.042.145
    IUPHAR/BPS
     
    E number
    E202 (preservatives)  防腐剂
    KEGG
    D02411
    PubChem CID
    23676745
    UNII
     
    CompTox Dashboard (EPA)
    DTXSID7027835
    InChI
    InChI=1S/C6H8O2.K/c1-2-3-4-5-6(7)8;/h2-5H,1H3,(H,7,8);/q;+1/p-1/b3-2+,5-4+;
    Key: CHHHXKFHOYLYRE-STWYSWDKSA-M
    SMILES
    InChI=1/C6H8O2.K/c1-2-3-4-5-6(7)8;/h2-5H,1H3,(H,7,8);/q;+1/p-1/b3-2+,5-4+;
    Key: CHHHXKFHOYLYRE-ZCSOUONQBI
     
    Properties
     
    Chemical formula
    C6H7KO2
    Molar mass
    150.218 g·mol−1
    Appearance
    White crystals
    Odor
    yes
    Density
    1.363 g/cm3
    Melting point
    270 °C (518 °F; 543 K) (decomposes分解)
    Boiling point
     
    Solubility in water
    58.5 g/100 mL (100 °C)
    Solubility in other solvents
    Soluble in ethanol, propylene glycol.
    Slightly soluble in acetone.
    Very slightly soluble in chloroform, corn oil, ether.
    Insoluble in benzene.
    Hazards.
    NFPA 704
    Solubility
     
    Acidity (pKa)
     
    Lethal dose or concentration (LD, LC):LD50 (median dose)
    Pharmacology
     
    ATC code
     
    Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
    LD50 (median dose)