Karanjin

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  • Identifiers

    CAS number
    521-88-0

    Molecular formula
    C18H12O4

    SMILES
    COC1=C(OC2=C(C1=O)C=CC3=C2C=CO3)C4=CC=CC=C4

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fruity 62.57%
    Sweet 50.59%
    Floral 41.09%
    Berry 37.46%
    Burnt 34.32%
    Powdery 33.56%
    Phenolic 32.8%
    Vanilla 29.75%
    Strawberry 29.21%
    Tropical 28.66%

     

    Flavor
    Bitter 95.06%
    Very strong 19.62%
    Indole 19.19%
    Cedarleaf 18.93%
    Lovage 18.85%
    Moth ball 18.73%
    Parsley 18.72%
    Naphthelene 18.43%
    Nitrile 18.4%
    Naphthalic 18.31%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    3.8

    pKa est.
    6.52 (neutral)

    Molecular weight
    292.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    569°C

    Flash point

    • 223.13 ˚C est.

  • Synonyms

    • Karanjin
    • 521-88-0
    • 3-methoxy-2-phenylfuro[2,3-h]chromen-4-one
    • WV7IM0I02M
    • 3-Methoxy-2-phenyl-4H-furo[2,3-h]-1-benzopyran-4-one
    • NSC-335755
    • DTXSID20200106
    • 3-methoxy-2-phenyl-4H-furo(2,3-h)-1-benzopyran-4-one
    • 3-methoxy-2-phenylfuro(2,3-h)chromen-4-one
    • RefChem:150954
    • DTXCID80122597
    • 208-319-9
    • 3-methoxy-2-phenyl-4H-furo[2,3-h]chromen-4-one
    • Kranjin
    • MFCD00017406
    • 3-methoxy-2-phenyl-furo[2,3-h]chromen-4-one
    • NSC335755
    • 3-Methoxy-2-phenyl-4H-furo(2,3-h)(1)benzopyran-4-one
    • 7-Methoxy-8-phenylfurano[2,3-h]chromen-6-one
    • 3-methoxy-2-phenyl-4H-furo[2,3-h][1]benzopyran-4-one
    • 4H-Furo(2,3-h)-1-benzopyran-4-one, 3-methoxy-2-phenyl-
    • 4H-Furo[2,3-h]-1-benzopyran-4-one, 3-methoxy-2-phenyl-
    • UNII-WV7IM0I02M
    • EINECS 208-319-9
    • Karanjin (Standard)
    • NSC 335755
    • Karanjin 100 microg/mL in Acetonitrile
    • KARANJIN [MI]
    • FLAVONE (BOHLMAN)
    • MLS001360608
    • BIDD:ER0513
    • SCHEMBL247164
    • CHEMBL208484
    • MEGxp0_001687
    • orb1304687
    • HY-N2534R
    • WLZ4719
    • CHEBI:166631
    • HMS3043B17
    • HY-N2534
    • TNP00046
    • 4H-Furo[2, 3-methoxy-2-phenyl-
    • BDBM50548261
    • LMPK12111542
    • AKOS016010124
    • EBC-616862
    • FM68027
    • KS-1474
    • NCGC00017182-01
    • NCGC00017182-02
    • NCGC00017182-03
    • NCGC00142418-01
    • AC-34768
    • SMR001223861
    • ST055657
    • SY231891
    • DB-052088
    • 3-methoxy-2-phenyluro[2,3-h]chromen-4-one
    • CS-0022805
    • NS00043273
    • AK-693/21087011
    • A1-03165
    • Q6368495
    • 521-88-0

  • Applications

    Karanjin (CAS 521-88-0) is a natural furanocoumarin derived from karanja oil of Pongamia pinnata. In agriculture, it is evaluated as a botanical pest-control component, contributing to insect-repellent and pesticidal activity in karanja-based formulations. It is also used as a synthetic intermediate and photochemically reactive building block in organic synthesis, reflecting the characteristic chemistry of furanocoumarins and requiring handling and regulatory consideration. In pharmaceutical and natural-product research, karanjin is explored as a scaffold for structure-activity studies and for developing related compounds. Additionally, its furanocoumarin framework has been investigated for antimicrobial and antifungal activity in academic and industrial laboratories. Overall, applications are primarily in agrochemical research, synthetic chemistry, and exploratory biological studies, with use governed by safety regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.41
    methanol 1.83
    isopropanol 1.84
    water 0.0
    ethyl acetate 12.54
    n-propanol 2.42
    acetone 17.1
    n-butanol 2.95
    acetonitrile 6.32
    DMF 30.43
    toluene 14.98
    isobutanol 2.65
    1,4-dioxane 22.81
    methyl acetate 15.93
    THF 42.92
    2-butanone 16.91
    n-pentanol 3.89
    sec-butanol 2.42
    n-hexane 0.46
    ethylene glycol 1.73
    NMP 40.43
    cyclohexane 1.53
    DMSO 23.28
    n-butyl acetate 11.84
    n-octanol 4.44
    chloroform 43.27
    n-propyl acetate 12.84
    acetic acid 12.47
    dichloromethane 58.58
    cyclohexanone 37.44
    propylene glycol 1.29
    isopropyl acetate 11.23
    DMAc 48.75
    2-ethoxyethanol 9.94
    isopentanol 4.9
    n-heptane 0.81
    ethyl formate 9.55
    1,2-dichloroethane 45.58
    n-hexanol 5.72
    2-methoxyethanol 12.51
    isobutyl acetate 11.21
    tetrachloromethane 4.02
    n-pentyl acetate 13.79
    transcutol 48.01
    n-heptanol 5.65
    ethylbenzene 8.63
    MIBK 12.39
    2-propoxyethanol 14.63
    tert-butanol 3.77
    MTBE 5.07
    2-butoxyethanol 13.72
    propionic acid 7.32
    o-xylene 10.08
    formic acid 4.74
    diethyl ether 6.58
    m-xylene 8.68
    p-xylene 10.88
    chlorobenzene 20.99
    dimethyl carbonate 16.73
    n-octane 0.71
    formamide 11.02
    cyclopentanone 41.5
    2-pentanone 12.89
    anisole 14.38
    cyclopentyl methyl ether 15.32
    gamma-butyrolactone 42.68
    1-methoxy-2-propanol 9.01
    pyridine 41.05
    3-pentanone 13.47
    furfural 49.3
    n-dodecane 0.9
    diethylene glycol 14.37
    diisopropyl ether 3.18
    tert-amyl alcohol 4.54
    acetylacetone 25.44
    n-hexadecane 1.06
    acetophenone 22.32
    methyl propionate 14.17
    isopentyl acetate 14.01
    trichloroethylene 90.13
    n-nonanol 5.62
    cyclohexanol 6.99
    benzyl alcohol 15.55
    2-ethylhexanol 6.37
    isooctanol 6.08
    dipropyl ether 6.64
    1,2-dichlorobenzene 22.3
    ethyl lactate 9.24
    propylene carbonate 24.17
    n-methylformamide 9.6
    2-pentanol 2.59
    n-pentane 0.45
    1-propoxy-2-propanol 10.42
    1-methoxy-2-propyl acetate 18.93
    2-(2-methoxypropoxy) propanol 18.76
    mesitylene 5.29
    ε-caprolactone 27.97
    p-cymene 7.05
    epichlorohydrin 62.34
    1,1,1-trichloroethane 21.48
    2-aminoethanol 2.4
    morpholine-4-carbaldehyde 39.58
    sulfolane 51.45
    2,2,4-trimethylpentane 0.73
    2-methyltetrahydrofuran 19.77
    n-hexyl acetate 13.89
    isooctane 0.45
    2-(2-butoxyethoxy)ethanol 20.58
    sec-butyl acetate 10.32
    tert-butyl acetate 12.75
    decalin 1.45
    glycerin 5.16
    diglyme 42.17
    acrylic acid 11.74
    isopropyl myristate 7.81
    n-butyric acid 10.0
    acetyl acetate 13.92
    di(2-ethylhexyl) phthalate 10.56
    ethyl propionate 12.03
    nitromethane 25.88
    1,2-diethoxyethane 17.7
    benzonitrile 20.24
    trioctyl phosphate 6.76
    1-bromopropane 12.79
    gamma-valerolactone 50.34
    n-decanol 4.73
    triethyl phosphate 10.99
    4-methyl-2-pentanol 3.55
    propionitrile 7.61
    vinylene carbonate 28.41
    1,1,2-trichlorotrifluoroethane 42.38
    DMS 23.39
    cumene 6.63
    2-octanol 4.26
    2-hexanone 13.94
    octyl acetate 9.06
    limonene 7.87
    1,2-dimethoxyethane 25.57
    ethyl orthosilicate 10.17
    tributyl phosphate 8.79
    diacetone alcohol 15.82
    N,N-dimethylaniline 12.27
    acrylonitrile 14.64
    aniline 15.36
    1,3-propanediol 4.52
    bromobenzene 21.19
    dibromomethane 30.11
    1,1,2,2-tetrachloroethane 52.65
    2-methyl-cyclohexyl acetate 14.94
    tetrabutyl urea 12.45
    diisobutyl methanol 5.17
    2-phenylethanol 17.25
    styrene 10.41
    dioctyl adipate 12.92
    dimethyl sulfate 28.16
    ethyl butyrate 11.49
    methyl lactate 10.77
    butyl lactate 11.81
    diethyl carbonate 10.52
    propanediol butyl ether 8.77
    triethyl orthoformate 11.03
    p-tert-butyltoluene 5.69
    methyl 4-tert-butylbenzoate 19.81
    morpholine 19.44
    tert-butylamine 2.55
    n-dodecanol 4.01
    dimethoxymethane 22.66
    ethylene carbonate 20.1
    cyrene 22.97
    2-ethoxyethyl acetate 22.67
    2-ethylhexyl acetate 12.39
    1,2,4-trichlorobenzene 27.18
    4-methylpyridine 27.5
    dibutyl ether 7.43
    2,6-dimethyl-4-heptanol 5.17
    DEF 18.44
    dimethyl isosorbide 33.84
    tetrachloroethylene 42.9
    eugenol 21.39
    triacetin 20.12
    span 80 13.49
    1,4-butanediol 2.41
    1,1-dichloroethane 19.23
    2-methyl-1-pentanol 6.42
    methyl formate 11.81
    2-methyl-1-butanol 4.29
    n-decane 1.25
    butyronitrile 6.49
    3,7-dimethyl-1-octanol 5.82
    1-chlorooctane 4.81
    1-chlorotetradecane 2.78
    n-nonane 0.93
    undecane 1.03
    tert-butylcyclohexane 1.07
    cyclooctane 0.69
    cyclopentanol 6.76
    tetrahydropyran 15.98
    tert-amyl methyl ether 6.02
    2,5,8-trioxanonane 33.8
    1-hexene 2.61
    2-isopropoxyethanol 9.25
    2,2,2-trifluoroethanol 8.61
    methyl butyrate 15.13

    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