Kuwanon F

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  • Identifiers

    CAS number
    71344-07-5

    Molecular formula
    C25H26O6

    SMILES
    CC(=CCCC1(C=CC2=CC(=C(C=C2O1)O)C3CC(=O)C4=C(C=C(C=C4O3)O)O)C)C

    Safety labels

  • Odor profile

    Fragrance
    Spicy 39.85%
    Sweet 35.71%
    Odorless 30.2%
    Phenolic 29.5%
    Fruity 29.15%
    Balsamic 24.6%
    Woody 24.31%
    Powdery 20.45%
    Vanilla 20.28%
    Creamy 19.78%

     

    Flavor
    Bitter 88.07%
    Cedarleaf 20.42%
    Lovage 20.22%
    Parsley 19.79%
    Ripe apricot 18.61%
    Red fruit 18.39%
    Basil 18.37%
    Heather 18.07%
    Bland 17.94%
    Outdoor 17.82%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    5.3

    pKa est.
    10.28 (weak base)

    Molecular weight
    422.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    936°C

    Flash point

    • 254.72 ˚C est.

  • Synonyms

    • Kuwanon F
    • 71344-07-5
    • CHEMBL4160223
    • DTXSID50991671
    • CHEBI:175377
    • BDBM50291294
    • LMPK12140513
    • (2,6'-Bi-2H-1-benzopyran)-4(3H)-one, 5,7,7'-trihydroxy-2'-methyl-2'-(4-methyl-3-pentenyl)-
    • 5,7-dihydroxy-2-[7-hydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-2,3-dihydrochromen-4-one
    • 5,7,7'-Trihydroxy-2'-methyl-2'-(4-methyl-3-pentenyl)-(2,6'-bi-2H-1-benzopyran)-4(3H)-one, 9CI
    • 5,7,7'-Trihydroxy-2'-methyl-2'-(4-methylpent-3-en-1-yl)-2,3-dihydro-2'H,4H-[2,6'-bi-1-benzopyran]-4-one
    • 71344-07-5

  • Applications

    Kuwanon F (CAS 71344-07-5) is a polyphenolic flavonoid that is primarily explored as a natural antioxidant and is commonly evaluated for use in cosmetic and personal-care formulations to improve oxidative stability and protect skin substrates; it is also investigated as an enzyme inhibitor (notably tyrosinase) in cosmetic applications to modulate pigmentation. Because of its antioxidant character and formulation-stabilizing potential, Kuwanon F may serve as an additive in coatings, paints, and polymers to enhance aging resistance; it could be used in cleaning and household products to minimize oxidation-related changes; and it has potential utility as an antioxidant stabilizer in plastics and inks where it acts to improve product longevity. Use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1.44
    methanol 18.33
    isopropanol 2.32
    water 0.03
    ethyl acetate 14.8
    n-propanol 4.45
    acetone 42.43
    n-butanol 2.68
    acetonitrile 16.27
    DMF 244.41
    toluene 1.62
    isobutanol 3.01
    1,4-dioxane 54.91
    methyl acetate 26.45
    THF 98.19
    2-butanone 28.7
    n-pentanol 3.35
    sec-butanol 2.02
    n-hexane 0.03
    ethylene glycol 6.17
    NMP 136.31
    cyclohexane 0.06
    DMSO 249.63
    n-butyl acetate 9.07
    n-octanol 3.89
    chloroform 13.09
    n-propyl acetate 13.5
    acetic acid 54.06
    dichloromethane 12.03
    cyclohexanone 35.31
    propylene glycol 14.64
    isopropyl acetate 8.77
    DMAc 257.24
    2-ethoxyethanol 49.5
    isopentanol 2.83
    n-heptane 0.06
    ethyl formate 17.51
    1,2-dichloroethane 8.31
    n-hexanol 1.49
    2-methoxyethanol 93.26
    isobutyl acetate 9.27
    tetrachloromethane 0.64
    n-pentyl acetate 10.99
    transcutol 266.8
    n-heptanol 2.44
    ethylbenzene 0.67
    MIBK 9.5
    2-propoxyethanol 53.85
    tert-butanol 4.38
    MTBE 2.82
    2-butoxyethanol 25.99
    propionic acid 18.49
    o-xylene 0.92
    formic acid 29.5
    diethyl ether 2.57
    m-xylene 1.2
    p-xylene 1.25
    chlorobenzene 3.96
    dimethyl carbonate 33.61
    n-octane 0.04
    formamide 50.77
    cyclopentanone 91.62
    2-pentanone 14.56
    anisole 10.06
    cyclopentyl methyl ether 9.44
    gamma-butyrolactone 127.29
    1-methoxy-2-propanol 64.84
    pyridine 25.42
    3-pentanone 12.39
    furfural 99.56
    n-dodecane 0.08
    diethylene glycol 56.24
    diisopropyl ether 0.64
    tert-amyl alcohol 2.87
    acetylacetone 57.54
    n-hexadecane 0.09
    acetophenone 17.36
    methyl propionate 27.82
    isopentyl acetate 9.97
    trichloroethylene 37.13
    n-nonanol 4.23
    cyclohexanol 2.4
    benzyl alcohol 10.17
    2-ethylhexanol 1.56
    isooctanol 2.57
    dipropyl ether 3.81
    1,2-dichlorobenzene 4.32
    ethyl lactate 18.43
    propylene carbonate 32.35
    n-methylformamide 94.81
    2-pentanol 1.26
    n-pentane 0.03
    1-propoxy-2-propanol 33.19
    1-methoxy-2-propyl acetate 35.72
    2-(2-methoxypropoxy) propanol 52.7
    mesitylene 0.74
    ε-caprolactone 35.98
    p-cymene 0.89
    epichlorohydrin 120.56
    1,1,1-trichloroethane 5.59
    2-aminoethanol 12.22
    morpholine-4-carbaldehyde 198.94
    sulfolane 193.76
    2,2,4-trimethylpentane 0.04
    2-methyltetrahydrofuran 14.22
    n-hexyl acetate 15.99
    isooctane 0.04
    2-(2-butoxyethoxy)ethanol 69.96
    sec-butyl acetate 6.44
    tert-butyl acetate 12.47
    decalin 0.06
    glycerin 43.56
    diglyme 147.17
    acrylic acid 30.6
    isopropyl myristate 5.6
    n-butyric acid 16.57
    acetyl acetate 16.69
    di(2-ethylhexyl) phthalate 10.56
    ethyl propionate 12.2
    nitromethane 243.12
    1,2-diethoxyethane 31.02
    benzonitrile 11.73
    trioctyl phosphate 6.04
    1-bromopropane 1.39
    gamma-valerolactone 239.95
    n-decanol 2.85
    triethyl phosphate 8.02
    4-methyl-2-pentanol 1.38
    propionitrile 10.23
    vinylene carbonate 41.11
    1,1,2-trichlorotrifluoroethane 110.95
    DMS 26.63
    cumene 0.51
    2-octanol 1.55
    2-hexanone 13.27
    octyl acetate 8.39
    limonene 1.01
    1,2-dimethoxyethane 92.73
    ethyl orthosilicate 7.02
    tributyl phosphate 8.54
    diacetone alcohol 27.97
    N,N-dimethylaniline 5.99
    acrylonitrile 26.01
    aniline 4.53
    1,3-propanediol 14.99
    bromobenzene 3.29
    dibromomethane 3.76
    1,1,2,2-tetrachloroethane 24.85
    2-methyl-cyclohexyl acetate 10.6
    tetrabutyl urea 14.23
    diisobutyl methanol 1.54
    2-phenylethanol 7.39
    styrene 0.95
    dioctyl adipate 15.31
    dimethyl sulfate 68.88
    ethyl butyrate 10.06
    methyl lactate 42.82
    butyl lactate 18.94
    diethyl carbonate 7.99
    propanediol butyl ether 41.69
    triethyl orthoformate 11.31
    p-tert-butyltoluene 0.89
    methyl 4-tert-butylbenzoate 23.28
    morpholine 56.29
    tert-butylamine 0.9
    n-dodecanol 1.92
    dimethoxymethane 110.45
    ethylene carbonate 27.82
    cyrene 57.0
    2-ethoxyethyl acetate 36.84
    2-ethylhexyl acetate 6.75
    1,2,4-trichlorobenzene 8.91
    4-methylpyridine 15.72
    dibutyl ether 5.1
    2,6-dimethyl-4-heptanol 1.54
    DEF 30.15
    dimethyl isosorbide 111.04
    tetrachloroethylene 9.26
    eugenol 26.73
    triacetin 45.45
    span 80 29.07
    1,4-butanediol 7.73
    1,1-dichloroethane 4.81
    2-methyl-1-pentanol 2.89
    methyl formate 91.89
    2-methyl-1-butanol 2.54
    n-decane 0.13
    butyronitrile 6.24
    3,7-dimethyl-1-octanol 3.99
    1-chlorooctane 1.07
    1-chlorotetradecane 0.48
    n-nonane 0.09
    undecane 0.09
    tert-butylcyclohexane 0.06
    cyclooctane 0.03
    cyclopentanol 5.15
    tetrahydropyran 10.42
    tert-amyl methyl ether 2.59
    2,5,8-trioxanonane 106.35
    1-hexene 0.18
    2-isopropoxyethanol 27.04
    2,2,2-trifluoroethanol 16.93
    methyl butyrate 18.13

    Scent© AI

1 4

IFRA standard 51

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