Albanin A

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  • Identifiers

    CAS number
    73343-42-7

    Molecular formula
    C20H18O6

    SMILES
    CC(=CCC1=C(OC2=CC(=CC(=C2C1=O)O)O)C3=C(C=C(C=C3)O)O)C

    Safety labels

  • Odor profile

    Fragrance
    Phenolic 55.69%
    Odorless 40.67%
    Spicy 33.12%
    Burnt 29.46%
    Medicinal 27.13%
    Woody 26.5%
    Smoky 26.18%
    Animal 23.54%
    Fruity 23.31%
    Dry 23.03%

     

    Flavor
    Bitter 93.76%
    Odorless 22.85%
    Cedarleaf 20.81%
    Parsley 19.85%
    Lovage 19.76%
    Nitrile 19.5%
    Bland 19.37%
    Sweet-like 19.17%
    Very strong 19.1%
    Ripe apricot 18.88%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    3.6

    pKa est.
    10.49 (weak base)

    Molecular weight
    354.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    945°C

    Melting point expt.

    • 220 - 227 °C

    Flash point

    • 254.53 ˚C est.

  • Synonyms

    • Albanin A
    • 2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3-methylbut-2-enyl)chromen-4-one
    • RefChem:1076315
    • 73343-42-7
    • 2-(2,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-(3-methyl-but-2-enyl)-1-benzopyran-4-one
    • AlbaninaA
    • orb1992306
    • CHEMBL2164988
    • SCHEMBL27013487
    • DTXSID50223580
    • CHEBI:175545
    • HY-N10772
    • LMPK12110891
    • FS-7669
    • 2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-4H-chromen-4-one
    • DA-70672
    • CS-0636018
    • E80537
    • 2-(2,4-Dihydroxyphenyl)-5,7-dihydroxy-3-(3-methyl-2-butenyl)-4H-1-benzopyran-4-one, 9CI
    • 2-(2,4-Dihydroxyphenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-4H-1-benzopyran-4-one
    • 73343-42-7

  • Applications

    Albanin A (CAS 73343-42-7) is regarded as an intermediate in organic synthesis and may be used as a solvent or processing aid in specialized formulations, depending on conditions and local regulations; practical applications typically span fragrance ingredients for cosmetics and personal care, coatings and inks as an intermediate or solvent in processing, and it can serve as a building block for pharmaceutical or agrochemical compounds; in addition, it may be evaluated as a component in industrial manufacturing and polymer systems, with use governed by formulation limits and local rules.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1.85
    methanol 1.95
    isopropanol 1.61
    water 0.0
    ethyl acetate 1.45
    n-propanol 2.44
    acetone 2.66
    n-butanol 1.77
    acetonitrile 2.13
    DMF 89.93
    toluene 0.1
    isobutanol 1.61
    1,4-dioxane 4.89
    methyl acetate 3.93
    THF 30.55
    2-butanone 5.12
    n-pentanol 1.69
    sec-butanol 1.95
    n-hexane 0.01
    ethylene glycol 12.26
    NMP 110.88
    cyclohexane 0.0
    DMSO 449.88
    n-butyl acetate 3.1
    n-octanol 0.97
    chloroform 0.21
    n-propyl acetate 2.9
    acetic acid 16.14
    dichloromethane 0.18
    cyclohexanone 6.76
    propylene glycol 34.26
    isopropyl acetate 1.46
    DMAc 105.81
    2-ethoxyethanol 26.32
    isopentanol 1.71
    n-heptane 0.01
    ethyl formate 2.16
    1,2-dichloroethane 0.37
    n-hexanol 0.85
    2-methoxyethanol 72.0
    isobutyl acetate 2.27
    tetrachloromethane 0.02
    n-pentyl acetate 2.71
    transcutol 206.57
    n-heptanol 1.06
    ethylbenzene 0.09
    MIBK 2.01
    2-propoxyethanol 31.08
    tert-butanol 2.6
    MTBE 0.69
    2-butoxyethanol 15.72
    propionic acid 9.87
    o-xylene 0.11
    formic acid 11.16
    diethyl ether 0.26
    m-xylene 0.11
    p-xylene 0.16
    chlorobenzene 0.19
    dimethyl carbonate 5.67
    n-octane 0.0
    formamide 18.69
    cyclopentanone 26.04
    2-pentanone 2.33
    anisole 1.25
    cyclopentyl methyl ether 2.09
    gamma-butyrolactone 48.41
    1-methoxy-2-propanol 61.97
    pyridine 4.04
    3-pentanone 1.51
    furfural 29.98
    n-dodecane 0.01
    diethylene glycol 56.6
    diisopropyl ether 0.11
    tert-amyl alcohol 2.5
    acetylacetone 7.31
    n-hexadecane 0.01
    acetophenone 3.46
    methyl propionate 4.5
    isopentyl acetate 3.7
    trichloroethylene 1.34
    n-nonanol 1.12
    cyclohexanol 1.29
    benzyl alcohol 3.12
    2-ethylhexanol 0.67
    isooctanol 1.1
    dipropyl ether 0.77
    1,2-dichlorobenzene 0.28
    ethyl lactate 10.9
    propylene carbonate 12.45
    n-methylformamide 21.82
    2-pentanol 0.84
    n-pentane 0.0
    1-propoxy-2-propanol 25.05
    1-methoxy-2-propyl acetate 16.04
    2-(2-methoxypropoxy) propanol 31.65
    mesitylene 0.07
    ε-caprolactone 12.1
    p-cymene 0.2
    epichlorohydrin 28.76
    1,1,1-trichloroethane 0.23
    2-aminoethanol 15.36
    morpholine-4-carbaldehyde 96.71
    sulfolane 179.98
    2,2,4-trimethylpentane 0.01
    2-methyltetrahydrofuran 4.79
    n-hexyl acetate 3.63
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 43.92
    sec-butyl acetate 1.71
    tert-butyl acetate 3.03
    decalin 0.01
    glycerin 109.1
    diglyme 63.65
    acrylic acid 16.37
    isopropyl myristate 1.53
    n-butyric acid 6.41
    acetyl acetate 1.65
    di(2-ethylhexyl) phthalate 3.97
    ethyl propionate 2.34
    nitromethane 48.01
    1,2-diethoxyethane 6.95
    benzonitrile 2.09
    trioctyl phosphate 2.51
    1-bromopropane 0.1
    gamma-valerolactone 84.74
    n-decanol 0.83
    triethyl phosphate 3.0
    4-methyl-2-pentanol 0.76
    propionitrile 1.79
    vinylene carbonate 8.67
    1,1,2-trichlorotrifluoroethane 58.19
    DMS 8.16
    cumene 0.1
    2-octanol 0.62
    2-hexanone 3.05
    octyl acetate 2.34
    limonene 0.23
    1,2-dimethoxyethane 23.61
    ethyl orthosilicate 2.37
    tributyl phosphate 3.55
    diacetone alcohol 20.02
    N,N-dimethylaniline 1.22
    acrylonitrile 5.08
    aniline 1.03
    1,3-propanediol 18.09
    bromobenzene 0.11
    dibromomethane 0.08
    1,1,2,2-tetrachloroethane 1.6
    2-methyl-cyclohexyl acetate 3.68
    tetrabutyl urea 5.86
    diisobutyl methanol 0.68
    2-phenylethanol 2.81
    styrene 0.1
    dioctyl adipate 4.87
    dimethyl sulfate 27.07
    ethyl butyrate 2.64
    methyl lactate 27.98
    butyl lactate 12.0
    diethyl carbonate 2.15
    propanediol butyl ether 31.22
    triethyl orthoformate 3.78
    p-tert-butyltoluene 0.22
    methyl 4-tert-butylbenzoate 9.82
    morpholine 15.92
    tert-butylamine 0.44
    n-dodecanol 0.58
    dimethoxymethane 16.21
    ethylene carbonate 5.47
    cyrene 37.4
    2-ethoxyethyl acetate 9.49
    2-ethylhexyl acetate 2.36
    1,2,4-trichlorobenzene 0.78
    4-methylpyridine 2.8
    dibutyl ether 0.88
    2,6-dimethyl-4-heptanol 0.68
    DEF 7.27
    dimethyl isosorbide 53.76
    tetrachloroethylene 0.42
    eugenol 12.95
    triacetin 14.55
    span 80 20.2
    1,4-butanediol 6.27
    1,1-dichloroethane 0.17
    2-methyl-1-pentanol 1.72
    methyl formate 12.52
    2-methyl-1-butanol 1.77
    n-decane 0.01
    butyronitrile 1.21
    3,7-dimethyl-1-octanol 1.29
    1-chlorooctane 0.12
    1-chlorotetradecane 0.07
    n-nonane 0.01
    undecane 0.01
    tert-butylcyclohexane 0.01
    cyclooctane 0.0
    cyclopentanol 3.42
    tetrahydropyran 1.27
    tert-amyl methyl ether 0.92
    2,5,8-trioxanonane 47.44
    1-hexene 0.04
    2-isopropoxyethanol 13.55
    2,2,2-trifluoroethanol 6.06
    methyl butyrate 4.18

    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