• Identifiers

    CAS number
    155239-87-5

    Molecular formula
    C20H20O6

    SMILES
    COC1=CC(=C/C=C/C=C2C=C(C(=O)C(=C2)OC)OC)C=C(C1=O)OC

    Safety labels

  • Odor profile

    Fragrance
    Spicy 42.33%
    Sweet 40.34%
    Caramellic 39.75%
    Fruity 34.23%
    Herbal 29.95%
    Nutty 28.21%
    Roasted 26.92%
    Burnt 25.18%
    Mint 23.66%
    Warm 22.83%

     

    Flavor
    Bitter 32.18%
    Basil 19.6%
    Lovage 19.32%
    Extremely sweet 19.3%
    Cotton candy 19.26%
    Fenugreek 19.25%
    Seedy 19.05%
    Parsley 18.8%
    Maple syrup 18.73%
    Leaves 18.71%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    3.2

    pKa est.
    5.34 (weak acid)

    Molecular weight
    356.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    465°C

    Melting point expt.

    • 224 - 226 °C

    Flash point

    • 188.98 ˚C est.

  • Synonyms

    • Kinobeon A
    • 4-[(E)-4-(3,5-dimethoxy-4-oxocyclohexa-2,5-dien-1-ylidene)but-2-enylidene]-2,6-dimethoxycyclohexa-2,5-dien-1-one
    • 4-[(2E)-4-(3,5-dimethoxy-4-oxocyclohexa-2,5-dien-1-ylidene)but-2-en-1-ylidene]-2,6-dimethoxycyclohexa-2,5-dien-1-one
    • 4-((2E)-4-(3,5-dimethoxy-4-oxocyclohexa-2,5-dien-1-ylidene)but-2-en-1-ylidene)-2,6-dimethoxycyclohexa-2,5-dien-1-one
    • 4-((E)-4-(3,5-dimethoxy-4-oxocyclohexa-2,5-dien-1-ylidene)but-2-enylidene)-2,6-dimethoxycyclohexa-2,5-dien-1-one
    • RefChem:924166
    • 155239-87-5
    • CHEMBL4793063
    • SCHEMBL29684687
    • CHEBI:175575
    • BDBM50559086
    • 1,4-Bis(3,5-dimethoxy-4-oxo-2,5-cyclohexadienylidene)-2-butene
    • 4,4'-(2-Butene-1,4-diylidene)bis(2,6-dimethoxy-2,5-cyclohexadien-1-one), 9CI
    • 155239-87-5
  • Applications

    Kinobeon A (CAS 155239-87-5) is commonly regarded as an intermediate in chemical synthesis and may function as a solvent or processing aid; it can also act as a stabilizer or chelating agent in polymer and coating systems. In practical terms, typical applications include use as a solvent or co-solvent in coatings and inks, as a processing aid or stabilizer for polymers, and as a component in cleaning formulations and household products as a solvent or formulation aid. Additionally, Kinobeon A may be used as a fragrance ingredient or fixative in fragrance-related applications, depending on regulations and formulation constraints.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 0.97
    methanol 0.96
    isopropanol 0.96
    water 0.0
    ethyl acetate 14.26
    n-propanol 1.43
    acetone 15.03
    n-butanol 1.14
    acetonitrile 8.14
    DMF 23.09
    toluene 10.86
    isobutanol 1.15
    1,4-dioxane 25.05
    methyl acetate 16.96
    THF 47.64
    2-butanone 16.26
    n-pentanol 1.86
    sec-butanol 1.53
    n-hexane 1.26
    ethylene glycol 0.54
    NMP 57.65
    cyclohexane 3.72
    DMSO 33.17
    n-butyl acetate 9.21
    n-octanol 1.73
    chloroform 75.1
    n-propyl acetate 9.64
    acetic acid 4.87
    dichloromethane 87.14
    cyclohexanone 34.89
    propylene glycol 0.46
    isopropyl acetate 8.01
    DMAc 46.26
    2-ethoxyethanol 6.42
    isopentanol 1.36
    n-heptane 1.32
    ethyl formate 8.11
    1,2-dichloroethane 49.41
    n-hexanol 2.4
    2-methoxyethanol 6.01
    isobutyl acetate 5.12
    tetrachloromethane 12.09
    n-pentyl acetate 7.18
    transcutol 8.91
    n-heptanol 1.85
    ethylbenzene 6.91
    MIBK 6.26
    2-propoxyethanol 8.48
    tert-butanol 1.76
    MTBE 4.0
    2-butoxyethanol 4.92
    propionic acid 4.38
    o-xylene 9.05
    formic acid 2.11
    diethyl ether 6.48
    m-xylene 5.82
    p-xylene 9.34
    chlorobenzene 19.11
    dimethyl carbonate 11.43
    n-octane 0.76
    formamide 6.26
    cyclopentanone 50.1
    2-pentanone 10.13
    anisole 11.01
    cyclopentyl methyl ether 15.39
    gamma-butyrolactone 54.93
    1-methoxy-2-propanol 4.06
    pyridine 36.17
    3-pentanone 15.27
    furfural 40.12
    n-dodecane 0.51
    diethylene glycol 5.56
    diisopropyl ether 2.32
    tert-amyl alcohol 2.12
    acetylacetone 19.95
    n-hexadecane 0.63
    acetophenone 16.64
    methyl propionate 15.13
    isopentyl acetate 8.13
    trichloroethylene 96.19
    n-nonanol 2.09
    cyclohexanol 3.89
    benzyl alcohol 7.54
    2-ethylhexanol 2.96
    isooctanol 1.76
    dipropyl ether 5.71
    1,2-dichlorobenzene 22.16
    ethyl lactate 4.77
    propylene carbonate 19.7
    n-methylformamide 8.02
    2-pentanol 1.11
    n-pentane 0.75
    1-propoxy-2-propanol 5.52
    1-methoxy-2-propyl acetate 12.12
    2-(2-methoxypropoxy) propanol 6.45
    mesitylene 3.99
    ε-caprolactone 24.98
    p-cymene 4.5
    epichlorohydrin 58.4
    1,1,1-trichloroethane 34.96
    2-aminoethanol 0.92
    morpholine-4-carbaldehyde 32.66
    sulfolane 69.81
    2,2,4-trimethylpentane 0.6
    2-methyltetrahydrofuran 24.21
    n-hexyl acetate 6.97
    isooctane 0.3
    2-(2-butoxyethoxy)ethanol 6.05
    sec-butyl acetate 6.4
    tert-butyl acetate 8.12
    decalin 2.01
    glycerin 1.29
    diglyme 17.21
    acrylic acid 5.77
    isopropyl myristate 3.42
    n-butyric acid 4.64
    acetyl acetate 12.74
    di(2-ethylhexyl) phthalate 3.96
    ethyl propionate 10.98
    nitromethane 23.03
    1,2-diethoxyethane 8.94
    benzonitrile 12.24
    trioctyl phosphate 2.65
    1-bromopropane 14.78
    gamma-valerolactone 43.94
    n-decanol 1.68
    triethyl phosphate 7.91
    4-methyl-2-pentanol 1.01
    propionitrile 6.62
    vinylene carbonate 19.38
    1,1,2-trichlorotrifluoroethane 32.41
    DMS 13.77
    cumene 4.61
    2-octanol 1.42
    2-hexanone 9.78
    octyl acetate 4.19
    limonene 5.8
    1,2-dimethoxyethane 19.42
    ethyl orthosilicate 7.16
    tributyl phosphate 3.79
    diacetone alcohol 7.33
    N,N-dimethylaniline 9.52
    acrylonitrile 10.73
    aniline 8.37
    1,3-propanediol 1.4
    bromobenzene 23.16
    dibromomethane 48.54
    1,1,2,2-tetrachloroethane 69.6
    2-methyl-cyclohexyl acetate 9.87
    tetrabutyl urea 6.07
    diisobutyl methanol 2.11
    2-phenylethanol 8.53
    styrene 7.66
    dioctyl adipate 5.81
    dimethyl sulfate 25.76
    ethyl butyrate 9.43
    methyl lactate 5.76
    butyl lactate 4.03
    diethyl carbonate 7.61
    propanediol butyl ether 2.31
    triethyl orthoformate 7.98
    p-tert-butyltoluene 3.69
    methyl 4-tert-butylbenzoate 10.0
    morpholine 21.27
    tert-butylamine 1.28
    n-dodecanol 1.39
    dimethoxymethane 15.17
    ethylene carbonate 15.18
    cyrene 14.16
    2-ethoxyethyl acetate 11.3
    2-ethylhexyl acetate 7.87
    1,2,4-trichlorobenzene 29.8
    4-methylpyridine 23.3
    dibutyl ether 4.04
    2,6-dimethyl-4-heptanol 2.11
    DEF 18.36
    dimethyl isosorbide 19.96
    tetrachloroethylene 49.38
    eugenol 8.84
    triacetin 9.85
    span 80 4.27
    1,4-butanediol 1.07
    1,1-dichloroethane 26.59
    2-methyl-1-pentanol 2.13
    methyl formate 10.11
    2-methyl-1-butanol 1.47
    n-decane 0.89
    butyronitrile 4.87
    3,7-dimethyl-1-octanol 2.01
    1-chlorooctane 3.09
    1-chlorotetradecane 1.49
    n-nonane 0.79
    undecane 0.65
    tert-butylcyclohexane 1.07
    cyclooctane 1.5
    cyclopentanol 5.58
    tetrahydropyran 18.27
    tert-amyl methyl ether 4.76
    2,5,8-trioxanonane 12.08
    1-hexene 2.92
    2-isopropoxyethanol 4.91
    2,2,2-trifluoroethanol 5.68
    methyl butyrate 12.7

    Scent© AI

1 of 4
Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
No restriction
Category 2
Products applied to the axillae
No restriction Category 7B
Leave-on products applied to the hair with some hand contact
No restriction
Category 3
Products applied to the face/body using fingertips
No restriction Category 8
Products with significant anogenital exposure
No restriction
Category 4
Products related to fine fragrance
No restriction Category 9
Products with body and hand exposure, primarily rinse off
No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
No restriction Category 10A
Household care products with mostly hand contact
No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
No restriction
Category 5D
Baby Creams, baby Oils and baby talc
No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
No restriction
Category 6
Products with oral and lip exposure
No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
No restriction