2-Methyl-6-butylpyraine

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  • Identifiers

    CAS number
    32184-46-6

    Molecular formula
    C9H14N2

    SMILES
    CCCCC1=NC(=CN=C1)C

    Safety labels

  • Odor profile

    Fragrance
    Roasted 56.67%
    Nutty 56.12%
    Earthy 48.43%
    Green 42.92%
    Hazelnut 39.67%
    Musty 37.56%
    Cocoa 36.47%
    Burnt 36.22%
    Potato 31.33%
    Vegetable 30.3%

     

    Flavor
    Green 48.74%
    Earthy 48.47%
    Roasted 45.37%
    Nutty 43.84%
    Musty 37.31%
    Meaty 36.95%
    Vegetable 36.52%
    Fatty 36.37%
    Woody 34.35%
    Pepper 33.87%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.9

    pKa est.
    4.53 (weak acid)

    Molecular weight
    150.22 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    227°C

    Flash point

    • 95.52 ˚C est.

  • Synonyms

    • 2-methyl-6-butylpyraine
    • 32184-46-6
    • DTXSID90423865
    • RefChem:263607
    • DTXCID50374703
    • UXSNPZYBZGYXMW-UHFFFAOYSA-N
    • 2-butyl-6-methylpyrazine
    • 2-Methyl-6-butylpyrazine
    • SCHEMBL293127
    • SCHEMBL511339
    • DB-261325
    • 32184-46-6

  • Applications

    2-Methyl-6-butylpyraine (CAS 32184-46-6) may be used as a synthesis intermediate for dyes and pigments in coatings, inks, and plastics to impart color and optical stability; it may be regarded as a fluorophore for fluorescence-based research and analytical spectroscopy; it may be used as a component in organic electronics (OLEDs, OPVs) to develop optically active conjugated systems; it may be employed as a reference material or in laboratory spectroscopy and photoluminescence studies; and it may serve as a precursor in specialty polymers to tailor optical properties.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 601.28
    methanol 879.26
    isopropanol 330.25
    water 1.28
    ethyl acetate 459.89
    n-propanol 445.74
    acetone 639.43
    n-butanol 478.49
    acetonitrile 322.88
    DMF 882.59
    toluene 293.03
    isobutanol 375.24
    1,4-dioxane 623.11
    methyl acetate 328.86
    THF 904.43
    2-butanone 411.98
    n-pentanol 336.5
    sec-butanol 305.41
    n-hexane 83.28
    ethylene glycol 150.76
    NMP 804.28
    cyclohexane 156.48
    DMSO 810.85
    n-butyl acetate 721.91
    n-octanol 157.58
    chloroform 1738.7
    n-propyl acetate 266.34
    acetic acid 768.77
    dichloromethane 1537.66
    cyclohexanone 807.38
    propylene glycol 164.94
    isopropyl acetate 293.49
    DMAc 648.87
    2-ethoxyethanol 330.45
    isopentanol 403.25
    n-heptane 64.73
    ethyl formate 397.77
    1,2-dichloroethane 833.74
    n-hexanol 555.86
    2-methoxyethanol 631.04
    isobutyl acetate 215.05
    tetrachloromethane 309.14
    n-pentyl acetate 239.22
    transcutol 1030.89
    n-heptanol 176.69
    ethylbenzene 127.49
    MIBK 231.62
    2-propoxyethanol 614.74
    tert-butanol 381.07
    MTBE 394.97
    2-butoxyethanol 284.51
    propionic acid 413.22
    o-xylene 165.37
    formic acid 251.26
    diethyl ether 417.7
    m-xylene 182.83
    p-xylene 183.06
    chlorobenzene 533.05
    dimethyl carbonate 147.94
    n-octane 22.9
    formamide 212.58
    cyclopentanone 766.13
    2-pentanone 392.22
    anisole 219.17
    cyclopentyl methyl ether 457.87
    gamma-butyrolactone 838.61
    1-methoxy-2-propanol 396.49
    pyridine 707.33
    3-pentanone 297.97
    furfural 840.78
    n-dodecane 19.68
    diethylene glycol 414.03
    diisopropyl ether 116.2
    tert-amyl alcohol 340.19
    acetylacetone 413.53
    n-hexadecane 22.45
    acetophenone 226.0
    methyl propionate 324.8
    isopentyl acetate 536.51
    trichloroethylene 1648.17
    n-nonanol 137.3
    cyclohexanol 431.75
    benzyl alcohol 249.06
    2-ethylhexanol 327.62
    isooctanol 137.36
    dipropyl ether 293.54
    1,2-dichlorobenzene 455.7
    ethyl lactate 129.53
    propylene carbonate 598.73
    n-methylformamide 365.6
    2-pentanol 266.47
    n-pentane 73.14
    1-propoxy-2-propanol 445.86
    1-methoxy-2-propyl acetate 380.07
    2-(2-methoxypropoxy) propanol 235.01
    mesitylene 118.36
    ε-caprolactone 622.17
    p-cymene 127.14
    epichlorohydrin 817.31
    1,1,1-trichloroethane 754.64
    2-aminoethanol 252.36
    morpholine-4-carbaldehyde 615.03
    sulfolane 879.65
    2,2,4-trimethylpentane 48.83
    2-methyltetrahydrofuran 691.62
    n-hexyl acetate 313.88
    isooctane 30.73
    2-(2-butoxyethoxy)ethanol 318.02
    sec-butyl acetate 175.66
    tert-butyl acetate 263.07
    decalin 64.29
    glycerin 233.32
    diglyme 535.98
    acrylic acid 386.21
    isopropyl myristate 115.91
    n-butyric acid 751.13
    acetyl acetate 331.78
    di(2-ethylhexyl) phthalate 143.07
    ethyl propionate 197.84
    nitromethane 663.25
    1,2-diethoxyethane 405.64
    benzonitrile 415.03
    trioctyl phosphate 101.86
    1-bromopropane 557.94
    gamma-valerolactone 867.61
    n-decanol 104.27
    triethyl phosphate 135.03
    4-methyl-2-pentanol 157.95
    propionitrile 367.63
    vinylene carbonate 540.24
    1,1,2-trichlorotrifluoroethane 660.07
    DMS 219.53
    cumene 95.96
    2-octanol 109.59
    2-hexanone 286.24
    octyl acetate 152.99
    limonene 214.38
    1,2-dimethoxyethane 546.19
    ethyl orthosilicate 137.61
    tributyl phosphate 139.36
    diacetone alcohol 254.3
    N,N-dimethylaniline 164.91
    acrylonitrile 400.99
    aniline 382.76
    1,3-propanediol 368.96
    bromobenzene 571.83
    dibromomethane 1025.12
    1,1,2,2-tetrachloroethane 1280.89
    2-methyl-cyclohexyl acetate 239.88
    tetrabutyl urea 167.87
    diisobutyl methanol 148.01
    2-phenylethanol 335.39
    styrene 185.2
    dioctyl adipate 169.39
    dimethyl sulfate 234.69
    ethyl butyrate 307.16
    methyl lactate 168.36
    butyl lactate 198.03
    diethyl carbonate 195.11
    propanediol butyl ether 249.73
    triethyl orthoformate 213.41
    p-tert-butyltoluene 115.95
    methyl 4-tert-butylbenzoate 195.6
    morpholine 685.05
    tert-butylamine 273.1
    n-dodecanol 82.81
    dimethoxymethane 417.92
    ethylene carbonate 474.07
    cyrene 211.51
    2-ethoxyethyl acetate 294.8
    2-ethylhexyl acetate 408.85
    1,2,4-trichlorobenzene 485.4
    4-methylpyridine 694.2
    dibutyl ether 218.56
    2,6-dimethyl-4-heptanol 148.01
    DEF 515.28
    dimethyl isosorbide 390.95
    tetrachloroethylene 908.76
    eugenol 218.11
    triacetin 217.75
    span 80 229.05
    1,4-butanediol 172.44
    1,1-dichloroethane 805.36
    2-methyl-1-pentanol 311.77
    methyl formate 323.67
    2-methyl-1-butanol 405.17
    n-decane 30.62
    butyronitrile 480.2
    3,7-dimethyl-1-octanol 168.47
    1-chlorooctane 129.04
    1-chlorotetradecane 52.28
    n-nonane 30.57
    undecane 23.65
    tert-butylcyclohexane 57.12
    cyclooctane 43.47
    cyclopentanol 401.6
    tetrahydropyran 718.03
    tert-amyl methyl ether 279.14
    2,5,8-trioxanonane 361.77
    1-hexene 253.11
    2-isopropoxyethanol 231.25
    2,2,2-trifluoroethanol 213.68
    methyl butyrate 319.63

    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