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α-phellandrene

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Origin: China

CasNo: 99-83-2

specification: 99%min

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  • Products Specification
  • Description
  • Property

    CAS No.: 99-83-2 Formula: C10H16 Molecular Weight: 136.23400

    Description

    Phellandrene is the name for a pair of organic compounds that have a similar molecular structure and similar chemical properties. α-Phellandrene and β-phellandrene are cyclic monoterpenes and are double-bond isomers. In α-phellandrene, both double bonds are endocyclic and in β-phellandrene, one of them is exocyclic. Both are insoluble in water, but miscible with ether.
    α-Phellandrene was named after Eucalyptus phellandra, now called Eucalyptus radiata, from which it can be isolated. It is also a constituent of the essential oil of Eucalyptus dives. β-Phellandrene has been isolated from the oil of water fennel and Canada balsam oil.
    The phellandrenes are used in fragrances because of their pleasing aromas. The odor of β-phellandrene has been described as peppery-minty and slightly citrusy.
    The α-phellandrene isomer can form hazardous and explosive peroxides on contact with air at elevated temperatures.

    Basic Info

    Chemical Name α-phellandrene
    Synonyms

    2-methyl-5-isopropylcyclohexa-1,3-diene;
    alpha-phellandrene;
    3-Thujylidenehydrazide of isonicotinic acid;
    1,3-Cyclohexadiene, 2-methyl-5-(1-methylethyl)-;
    ISONICOTINIC ACID,3-THUJYLIDENEHYDRAZIDE;
    5-isopropyl-2-methylcyclohexa-1,3-diene;
    2-Methyl-5-isopropyl-3-isonicotinoylhydrazono-bicyclo[3.1.0]hexan;
    (3R,5R)-(+)-2,6-DIMETHYL-3,5-HEPTANEDIOL;
    5-isopropyl-2-methyl-1,3-cyclohexadiene;

    CAS No. 99-83-2
    Molecular Formula C10H16
    Molecular Weight 136.23400
    PSA 0.00000
    LogP 3.16480

    Properties

    Density 0.85 g/mL at 25ºC(lit.)
    Boiling Point 171.5ºC at 760 mmHg
    Flash Point 117 °F
    Refractive Index n20/D 1.474(lit.)

    Safety Info

    Hazard Class 3.2
    Safety Statements S16; S26; S36/37
    HS Code 2902199090
    Packing Group III
    RIDADR UN 2319 3
    Risk Statements R10; R22; R36/37/38; R43

    Synthesis Route

    (+)-Sabineneα-terpinene+p-cymene
    α-phellandrene+α-terpinene
    α-Pineneα-phellandrene+α-terpinene

    Downstream Product

    diethyl 4-methyl-o-phthalate
    3-methylbut-1-ene
    α-terpinene
    γ-terpinene

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