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Origin: China

CasNo: 19700-21-1

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
  • Description
  • Property

    CAS No.: 19700-21-1 Formula: C12H22O Molecular Weight: 182.30200


    Geosmin is an organic compound with a distinct earthy flavor and aroma produced by a type of Actinobacteria, and is responsible for the earthy taste of beets and a contributor to the strong scent (petrichor) that occurs in the air when rain falls after a dry spell of weather or when soil is disturbed. In chemical terms, it is a bicyclic alcohol with formula C12H22O, a derivative of decalin. Its name is derived from the Greek γεω- "earth" and ὀσμή "smell"

    Basic Info

    Chemical Name (-)-geosmin

    EINECS 243-239-8;

    CAS No. 19700-21-1
    Molecular Formula C12H22O
    Molecular Weight 182.30200
    PSA 20.23000
    LogP 3.11780


    Density 0.985 g/cm3
    Boiling Point 252.4ºC at 760 mmHg
    Flash Point 104.2ºC
    Refractive Index 1.506
    Storage Condition -20ºC
    Vapor Pressure 0.000928mmHg at 25°C

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary BPX-5 - 1430. temperature ramp
    Capillary DB-5MS - 1439. custom temperature program
    Capillary PONA - 1423. custom temperature program
    Capillary DB-Wax - 1821. temperature ramp
    Capillary DB-Wax - 1808. custom temperature program

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