2,6-Dimethyl-3-isopentylpyrazine

Overview IFRA Botanical Request a quote

  • Identifiers

    Molecular formula
    C11H18N2

    SMILES
    CC1=CN=C(C(=N1)C)CCC(C)C

  • Odor profile

    Fruity 45.34%
    Earthy 42.37%
    Burnt 39.35%
    Nutty 39.22%
    Woody 36.25%
    Roasted 35.64%
    Musty 31.11%
    Green 30.98%
    Cocoa 29.7%
    Mint 29.6%

    Scent© AI

  • Properties

    XLogP3-AA
    2.5

    pKa est.
    5.26 (weak acid)

    Molecular weight
    178.27 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    255°C

    Flash point est.
    98.52 ˚C

  • Synonyms

    • 3,5-dimethyl-2-(3-methylbutyl)pyrazine
    • 111150-30-2
    • 2-Isopentyl-3,5-dimethylpyrazine
    • Pyrazine, 3,5-dimethyl-2-(3-methylbutyl)- (9CI)
    • 2,6-Dimethyl-3-isopentylpyrazine
    • dimethylisopentylpyrazine
    • SCHEMBL309323
    • ZVLSVDOZUWIUIJ-UHFFFAOYSA-N
    • 2-Isopentyl-3,5-dimethylpyrazine #
    • 2-(3-Methylbutyl)-3,5-dimethylpyrazine
    • NS00113855

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 385.6
    methanol 351.45
    isopropanol 253.87
    water 0.52
    ethyl acetate 336.64
    n-propanol 301.74
    acetone 340.45
    n-butanol 348.92
    acetonitrile 211.77
    DMF 418.04
    toluene 286.8
    isobutanol 273.63
    1,4-dioxane 584.68
    methyl acetate 291.08
    THF 911.47
    2-butanone 328.4
    n-pentanol 242.94
    sec-butanol 260.85
    n-hexane 90.05
    ethylene glycol 51.19
    NMP 487.65
    cyclohexane 160.88
    DMSO 344.3
    n-butyl acetate 732.5
    n-octanol 175.51
    chloroform 1387.82
    n-propyl acetate 221.17
    acetic acid 327.26
    dichloromethane 1154.64
    cyclohexanone 691.32
    propylene glycol 101.77
    isopropyl acetate 244.86
    DMAc 388.84
    2-ethoxyethanol 219.94
    isopentanol 326.35
    n-heptane 92.57
    ethyl formate 295.21
    1,2-dichloroethane 567.71
    n-hexanol 547.93
    2-methoxyethanol 382.03
    isobutyl acetate 192.48
    tetrachloromethane 268.8
    n-pentyl acetate 242.32
    transcutol 875.13
    n-heptanol 196.77
    ethylbenzene 140.94
    MIBK 192.84
    2-propoxyethanol 528.97
    tert-butanol 289.44
    MTBE 351.55
    2-butoxyethanol 269.9
    propionic acid 230.83
    o-xylene 185.26
    formic acid 84.92
    diethyl ether 285.48
    m-xylene 199.65
    p-xylene 212.0
    chlorobenzene 421.89
    dimethyl carbonate 98.79
    n-octane 34.15
    formamide 84.79
    cyclopentanone 638.03
    2-pentanone 285.16
    anisole 199.98
    cyclopentyl methyl ether 415.74
    gamma-butyrolactone 633.99
    1-methoxy-2-propanol 284.85
    pyridine 538.77
    3-pentanone 219.1
    furfural 589.64
    n-dodecane 27.57
    diethylene glycol 288.16
    diisopropyl ether 111.02
    tert-amyl alcohol 293.62
    acetylacetone 311.16
    n-hexadecane 31.46
    acetophenone 202.11
    methyl propionate 223.98
    isopentyl acetate 585.88
    trichloroethylene 1102.49
    n-nonanol 154.01
    cyclohexanol 366.31
    benzyl alcohol 197.73
    2-ethylhexanol 350.51
    isooctanol 149.88
    dipropyl ether 313.86
    1,2-dichlorobenzene 359.09
    ethyl lactate 103.44
    propylene carbonate 502.23
    n-methylformamide 171.98
    2-pentanol 216.42
    n-pentane 69.69
    1-propoxy-2-propanol 430.13
    1-methoxy-2-propyl acetate 444.12
    2-(2-methoxypropoxy) propanol 229.34
    mesitylene 130.58
    ε-caprolactone 547.69
    p-cymene 166.4
    epichlorohydrin 648.47
    1,1,1-trichloroethane 597.81
    2-aminoethanol 123.31
    morpholine-4-carbaldehyde 507.66
    sulfolane 609.69
    2,2,4-trimethylpentane 48.09
    2-methyltetrahydrofuran 687.18
    n-hexyl acetate 336.17
    isooctane 30.82
    2-(2-butoxyethoxy)ethanol 310.59
    sec-butyl acetate 164.28
    tert-butyl acetate 252.06
    decalin 70.92
    glycerin 120.02
    diglyme 506.18
    acrylic acid 184.95
    isopropyl myristate 137.09
    n-butyric acid 484.44
    acetyl acetate 245.19
    di(2-ethylhexyl) phthalate 157.13
    ethyl propionate 170.75
    nitromethane 320.28
    1,2-diethoxyethane 424.66
    benzonitrile 345.48
    trioctyl phosphate 116.05
    1-bromopropane 418.24
    gamma-valerolactone 743.84
    n-decanol 119.9
    triethyl phosphate 138.97
    4-methyl-2-pentanol 140.59
    propionitrile 243.77
    vinylene carbonate 421.98
    1,1,2-trichlorotrifluoroethane 424.72
    DMS 217.45
    cumene 112.43
    2-octanol 125.6
    2-hexanone 237.63
    octyl acetate 180.28
    limonene 259.64
    1,2-dimethoxyethane 409.11
    ethyl orthosilicate 152.0
    tributyl phosphate 149.79
    diacetone alcohol 234.08
    N,N-dimethylaniline 160.29
    acrylonitrile 232.8
    aniline 291.88
    1,3-propanediol 216.21
    bromobenzene 488.69
    dibromomethane 819.79
    1,1,2,2-tetrachloroethane 890.91
    2-methyl-cyclohexyl acetate 284.63
    tetrabutyl urea 170.65
    diisobutyl methanol 157.45
    2-phenylethanol 302.98
    styrene 167.88
    dioctyl adipate 194.22
    dimethyl sulfate 139.1
    ethyl butyrate 329.51
    methyl lactate 113.97
    butyl lactate 197.0
    diethyl carbonate 208.13
    propanediol butyl ether 224.94
    triethyl orthoformate 244.74
    p-tert-butyltoluene 156.78
    methyl 4-tert-butylbenzoate 199.7
    morpholine 623.98
    tert-butylamine 227.13
    n-dodecanol 96.43
    dimethoxymethane 261.99
    ethylene carbonate 375.95
    cyrene 201.59
    2-ethoxyethyl acetate 308.41
    2-ethylhexyl acetate 482.12
    1,2,4-trichlorobenzene 382.43
    4-methylpyridine 573.91
    dibutyl ether 242.0
    2,6-dimethyl-4-heptanol 157.45
    DEF 322.82
    dimethyl isosorbide 449.12
    tetrachloroethylene 602.21
    eugenol 202.11
    triacetin 216.69
    span 80 250.09
    1,4-butanediol 99.13
    1,1-dichloroethane 576.93
    2-methyl-1-pentanol 256.69
    methyl formate 173.51
    2-methyl-1-butanol 307.78
    n-decane 44.11
    butyronitrile 346.9
    3,7-dimethyl-1-octanol 188.43
    1-chlorooctane 153.41
    1-chlorotetradecane 67.6
    n-nonane 44.32
    undecane 33.84
    tert-butylcyclohexane 64.23
    cyclooctane 55.51
    cyclopentanol 321.18
    tetrahydropyran 688.01
    tert-amyl methyl ether 251.46
    2,5,8-trioxanonane 349.31
    1-hexene 230.21
    2-isopropoxyethanol 177.35
    2,2,2-trifluoroethanol 98.15
    methyl butyrate 261.95

    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

Botanical

Name CAS Botanical Proportion
Chicory root, roasted 1a 68650-43-1 Cichorium intybus L., fam. Asteraceae (Compositae) 0.07%