Wisteria sinensis, ext.

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  • Identifiers

    CAS number
    91845-57-7

    Molecular formula
    C6H6Br2N2

    SMILES
    CC1=NC(=C(C=C1Br)Br)N

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 47.4%
    Burnt 35.21%
    Roasted 30.51%
    Meaty 28.67%
    Musty 22.4%
    Animal 21.96%
    Savory 21.22%
    Cooked 21.0%
    Smoky 19.99%
    Phenolic 19.92%

     

    Flavor
    Bitter 58.95%
    Odorless 33.03%
    Roasted 29.08%
    Mild 27.83%
    Scallion 21.7%
    Soybean 21.22%
    Very strong 21.18%
    Meaty 21.05%
    Bread crust 20.9%
    Indole 20.86%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.3

    pKa est.
    2.83 (strong acid)

    Molecular weight
    265.93 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    295°C

    Flash point

    • 148.2 ˚C est.

  • Synonyms

    • 2-Amino-3,5-dibromo-6-methylpyridine
    • 91845-57-7
    • EINECS 295-231-9
    • RefChem:902225
    • DTXSID401042435
    • 295-231-9
    • 623-093-5
    • 91872-10-5
    • 3,5-dibromo-6-methylpyridin-2-amine
    • 3,5-Dibromo-6-methyl-2-pyridinamine
    • MFCD00068229
    • 3,5-dibromo-6-methyl-pyridin-2-ylamine
    • 3,5-dibromo-6-methyl-2-pyridylamine
    • 6-Amino-3,5-dibromo-2-picoline
    • 2-Amino-3,5-dibromo-6-picoline
    • 3,5-dibromo-6-methyl-pyridin-2-amine
    • 2-PYRIDINAMINE, 3,5-DIBROMO-6-METHYL-
    • SCHEMBL2401968
    • SCHEMBL29693601
    • DTXSID50919476
    • BBL000363
    • SBB038999
    • STK345339
    • AKOS000111314
    • AB02781
    • AC-6258
    • CS-W010124
    • FS-4046
    • 3,5-Dibromo-6-methyl-2-pyridinamine #
    • SY007005
    • DB-020381
    • ST50211873
    • 2-Amino-3,5-dibromo-6-methylpyridine, 97%
    • EN300-94622
    • I10108
    • AC-907/25014348
    • F010400
    • Z1269031386
    • 91845-57-7

  • Applications

    Wisteria sinensis, ext. (CAS 91845-57-7) is used primarily as an odorant in perfumery/fragrance, providing a wisteria-like note in fragrance formulas. In cosmetics and personal care, it is commonly used as a fragrance ingredient in creams, lotions, and shampoos. Household products such as air fresheners and laundry detergents may include this compound to impart scent. In aroma research and fragrance development, it is evaluated as a characteristic note to aid formulation and sensory assessment. These applications are subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 13.9
    methanol 11.83
    isopropanol 11.38
    water 0.45
    ethyl acetate 32.33
    n-propanol 14.8
    acetone 53.51
    n-butanol 13.95
    acetonitrile 16.84
    DMF 96.53
    toluene 18.57
    isobutanol 11.51
    1,4-dioxane 85.37
    methyl acetate 37.53
    THF 160.72
    2-butanone 44.05
    n-pentanol 15.81
    sec-butanol 12.82
    n-hexane 0.89
    ethylene glycol 6.59
    NMP 123.46
    cyclohexane 1.35
    DMSO 94.19
    n-butyl acetate 30.46
    n-octanol 12.7
    chloroform 37.24
    n-propyl acetate 28.57
    acetic acid 21.12
    dichloromethane 33.35
    cyclohexanone 61.4
    propylene glycol 7.02
    isopropyl acetate 25.86
    DMAc 118.92
    2-ethoxyethanol 39.28
    isopentanol 14.21
    n-heptane 2.87
    ethyl formate 26.43
    1,2-dichloroethane 26.28
    n-hexanol 20.49
    2-methoxyethanol 48.62
    isobutyl acetate 22.47
    tetrachloromethane 8.66
    n-pentyl acetate 28.26
    transcutol 59.07
    n-heptanol 16.16
    ethylbenzene 9.42
    MIBK 27.21
    2-propoxyethanol 49.74
    tert-butanol 16.86
    MTBE 23.12
    2-butoxyethanol 36.08
    propionic acid 15.62
    o-xylene 14.19
    formic acid 12.43
    diethyl ether 23.09
    m-xylene 14.19
    p-xylene 14.34
    chlorobenzene 23.35
    dimethyl carbonate 29.97
    n-octane 1.58
    formamide 24.78
    cyclopentanone 104.21
    2-pentanone 35.04
    anisole 38.71
    cyclopentyl methyl ether 52.91
    gamma-butyrolactone 95.83
    1-methoxy-2-propanol 37.61
    pyridine 61.43
    3-pentanone 33.29
    furfural 98.75
    n-dodecane 1.48
    diethylene glycol 37.34
    diisopropyl ether 9.76
    tert-amyl alcohol 16.81
    acetylacetone 54.6
    n-hexadecane 1.68
    acetophenone 38.57
    methyl propionate 35.58
    isopentyl acetate 30.55
    trichloroethylene 53.43
    n-nonanol 13.41
    cyclohexanol 18.24
    benzyl alcohol 28.01
    2-ethylhexanol 17.39
    isooctanol 14.67
    dipropyl ether 22.03
    1,2-dichlorobenzene 23.16
    ethyl lactate 18.46
    propylene carbonate 48.42
    n-methylformamide 33.55
    2-pentanol 11.49
    n-pentane 1.11
    1-propoxy-2-propanol 35.91
    1-methoxy-2-propyl acetate 45.61
    2-(2-methoxypropoxy) propanol 33.41
    mesitylene 9.03
    ε-caprolactone 54.84
    p-cymene 12.61
    epichlorohydrin 93.05
    1,1,1-trichloroethane 27.88
    2-aminoethanol 11.21
    morpholine-4-carbaldehyde 115.66
    sulfolane 117.93
    2,2,4-trimethylpentane 1.43
    2-methyltetrahydrofuran 74.68
    n-hexyl acetate 26.31
    isooctane 1.11
    2-(2-butoxyethoxy)ethanol 39.23
    sec-butyl acetate 22.62
    tert-butyl acetate 31.77
    decalin 1.76
    glycerin 14.62
    diglyme 72.4
    acrylic acid 17.64
    isopropyl myristate 15.41
    n-butyric acid 20.99
    acetyl acetate 26.84
    di(2-ethylhexyl) phthalate 18.58
    ethyl propionate 25.99
    nitromethane 58.36
    1,2-diethoxyethane 36.11
    benzonitrile 27.74
    trioctyl phosphate 14.49
    1-bromopropane 13.14
    gamma-valerolactone 125.18
    n-decanol 11.11
    triethyl phosphate 20.64
    4-methyl-2-pentanol 10.44
    propionitrile 16.16
    vinylene carbonate 44.48
    1,1,2-trichlorotrifluoroethane 68.74
    DMS 28.37
    cumene 8.22
    2-octanol 12.64
    2-hexanone 34.58
    octyl acetate 18.99
    limonene 16.81
    1,2-dimethoxyethane 74.84
    ethyl orthosilicate 19.83
    tributyl phosphate 14.76
    diacetone alcohol 36.46
    N,N-dimethylaniline 30.32
    acrylonitrile 21.62
    aniline 29.73
    1,3-propanediol 16.58
    bromobenzene 21.24
    dibromomethane 19.44
    1,1,2,2-tetrachloroethane 44.21
    2-methyl-cyclohexyl acetate 29.25
    tetrabutyl urea 22.03
    diisobutyl methanol 11.91
    2-phenylethanol 32.88
    styrene 11.78
    dioctyl adipate 21.95
    dimethyl sulfate 55.85
    ethyl butyrate 27.63
    methyl lactate 23.88
    butyl lactate 22.48
    diethyl carbonate 20.84
    propanediol butyl ether 24.06
    triethyl orthoformate 25.37
    p-tert-butyltoluene 13.12
    methyl 4-tert-butylbenzoate 35.26
    morpholine 77.24
    tert-butylamine 10.79
    n-dodecanol 9.07
    dimethoxymethane 68.51
    ethylene carbonate 35.68
    cyrene 53.2
    2-ethoxyethyl acetate 41.05
    2-ethylhexyl acetate 27.13
    1,2,4-trichlorobenzene 33.49
    4-methylpyridine 56.36
    dibutyl ether 15.98
    2,6-dimethyl-4-heptanol 11.91
    DEF 49.37
    dimethyl isosorbide 73.88
    tetrachloroethylene 29.78
    eugenol 40.26
    triacetin 29.09
    span 80 28.26
    1,4-butanediol 10.44
    1,1-dichloroethane 21.7
    2-methyl-1-pentanol 16.19
    methyl formate 36.33
    2-methyl-1-butanol 13.25
    n-decane 2.18
    butyronitrile 18.03
    3,7-dimethyl-1-octanol 13.62
    1-chlorooctane 8.64
    1-chlorotetradecane 4.71
    n-nonane 1.87
    undecane 1.76
    tert-butylcyclohexane 2.05
    cyclooctane 0.84
    cyclopentanol 28.65
    tetrahydropyran 51.5
    tert-amyl methyl ether 22.95
    2,5,8-trioxanonane 57.69
    1-hexene 4.91
    2-isopropoxyethanol 32.01
    2,2,2-trifluoroethanol 18.27
    methyl butyrate 31.21

    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