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DL-Pantolactone

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Origin: China

Cas No: 79-50-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 79-50-5 Formula: C6H10O3 Molecular Weight: 130.14200

    Description

    (±)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone is a volatile organic compound used in the silylation of alcohols,

    Basic Info

    Chemical Name DL-Pantolactone
    Synonyms

    DL-PANTOYL LACTONE;
    pantoyl lactone;
    2-oxo-4,4-dimethyl-3-hydroxy-tetrahydrofuran;
    DL-PantolaCLone;
    Einecs 201-210-7;
    rac-pantolactone;
    dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone;
    de-Pantolactone;
    PANTOLACTONE;
    PANTOLACTONE(DL-);
    DL-LACTONE;

    CAS No. 79-50-5
    Molecular Formula C6H10O3
    Molecular Weight 130.14200
    PSA 49.83000
    LogP -0.06970

    Properties

    Appearance & Physical State White needles.
    Density 1.165 g/cm3
    Boiling Point 224.6ºC at 760 mmHg
    Melting Point 74-78ºC
    Flash Point 99ºC
    Storage Condition Store in a cool, dry place. Store in a tightly closed container.

    Safety Info

    Safety Statements 22-24/25
    WGK Germany 3

    Synthesis Route

    methyl phenylglyoxalate+2-dehydropantolactone→Methyl DL-mandelate+DL-Pantolactone
    methyl phenylglyoxalate+2-dehydropantolactone→(S)-(+)-Methyl mandelate+methyl (2R)-2-hydroxy-2-phenylacetate
    Ethyl pyruvate+2-dehydropantolactone→Ethyl lactate+DL-Pantolactone

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary HP-5MS - 1031.8 custom temperature program
    Capillary DB-Wax - 2034. temperature ramp
    Capillary HP-FFAP - 2070. temperature ramp
    Capillary HP-FFAP - 2070. temperature ramp

    Precursor


    Ethyl pyruvate
    methyl phenylglyoxalate
    2-dehydropantolactone

    Downstream Product

    (RS)-Pantoic Acid Sodium Salt
    2,4-Dihydroxy-3,3-dimethylbutanamide
    2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide
    (R)-α-Acryloyloxy-β,β-dimethyl-γ-butyrolactone

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