2-Ethyl-3-methylpyridine

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  • Identifiers

    CAS number
    56986-88-0

    Molecular formula
    C8H11N

    SMILES
    CCC1=C(C=CC=N1)C

    Safety labels

  • Odor profile

    Fragrance
    Green 76.09%
    Earthy 67.25%
    Nutty 57.53%
    Roasted 51.78%
    Musty 44.71%
    Animal 40.81%
    Tobacco 38.32%
    Burnt 37.08%
    Herbal 36.96%
    Vegetable 35.34%

     

    Flavor
    Green 68.4%
    Nutty 66.93%
    Earthy 55.14%
    Woody 46.48%
    Spicy 41.57%
    Vegetable 41.51%
    Herbal 41.49%
    Musty 40.24%
    Raw 39.03%
    Roasted 38.22%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.0

    pKa est.
    5.59 (weak acid)

    Molecular weight
    121.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    175°C

    Flash point

    • 47.02 ˚C est.

  • Synonyms

    • 2-ethyl-3-methylpyridine
    • 56986-88-0
    • DTXSID40423810
    • RefChem:260530
    • DTXCID10374648
    • FTKZKUSQFCXEEL-UHFFFAOYSA-N
    • 2-ETHYL-3-METHYL-PYRIDINE
    • 2-ethyl-3-methylpyridin
    • 2-ethyl-3-methyl-pyridin
    • SCHEMBL91425
    • SCHEMBL661299
    • SCHEMBL661300
    • SCHEMBL3411930
    • SCHEMBL3589332
    • SCHEMBL11847996
    • DB-338389
    • 56986-88-0

  • Applications

    2-Ethyl-3-methylpyridine (CAS 56986-88-0) is used as an intermediate in the synthesis of heterocyclic compounds for pharmaceuticals and agrochemicals, and is regarded as a component or starting material in the production of chemicals across pharma and crop-protection sectors. In fragrance and perfumery, it is evaluated as an odorant or fragrance ingredient, contributing a distinctive pyridine note to formulations for perfumes and personal care products. In the coatings, inks, and plastics industries, it serves as an intermediate for the preparation of pyridine-containing derivatives used in coatings, adhesives, and plastic materials. In organic synthesis and research, it acts as a building block or starting material for reactions that form pyridine rings and related heterocyclic structures. It may also be used as a solvent or test reagent in laboratory-scale processes, subject to formulation constraints and local regulatory requirements.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1156.84
    methanol 1828.64
    isopropanol 622.04
    water 5.29
    ethyl acetate 941.95
    n-propanol 838.51
    acetone 937.39
    n-butanol 861.75
    acetonitrile 985.22
    DMF 986.88
    toluene 716.88
    isobutanol 641.82
    1,4-dioxane 1755.95
    methyl acetate 753.62
    THF 1707.54
    2-butanone 850.43
    n-pentanol 664.11
    sec-butanol 584.37
    n-hexane 369.66
    ethylene glycol 176.98
    NMP 1247.04
    cyclohexane 351.02
    DMSO 1138.13
    n-butyl acetate 1456.16
    n-octanol 399.62
    chloroform 3481.71
    n-propyl acetate 824.06
    acetic acid 756.69
    dichloromethane 3788.39
    cyclohexanone 1530.72
    propylene glycol 167.2
    isopropyl acetate 564.74
    DMAc 717.34
    2-ethoxyethanol 752.59
    isopentanol 755.02
    n-heptane 265.52
    ethyl formate 724.18
    1,2-dichloroethane 2012.69
    n-hexanol 903.15
    2-methoxyethanol 995.2
    isobutyl acetate 556.64
    tetrachloromethane 1104.47
    n-pentyl acetate 646.37
    transcutol 1849.93
    n-heptanol 427.0
    ethylbenzene 400.36
    MIBK 539.09
    2-propoxyethanol 1079.12
    tert-butanol 693.2
    MTBE 914.9
    2-butoxyethanol 626.78
    propionic acid 626.99
    o-xylene 405.81
    formic acid 340.21
    diethyl ether 1318.8
    m-xylene 442.84
    p-xylene 494.46
    chlorobenzene 1167.22
    dimethyl carbonate 309.79
    n-octane 115.14
    formamide 387.21
    cyclopentanone 1395.6
    2-pentanone 821.79
    anisole 691.8
    cyclopentyl methyl ether 1105.65
    gamma-butyrolactone 1538.62
    1-methoxy-2-propanol 605.35
    pyridine 1350.44
    3-pentanone 704.87
    furfural 1363.58
    n-dodecane 75.63
    diethylene glycol 577.91
    diisopropyl ether 391.54
    tert-amyl alcohol 673.48
    acetylacetone 678.52
    n-hexadecane 84.82
    acetophenone 538.19
    methyl propionate 688.46
    isopentyl acetate 1034.64
    trichloroethylene 2914.15
    n-nonanol 341.08
    cyclohexanol 719.07
    benzyl alcohol 464.84
    2-ethylhexanol 633.28
    isooctanol 360.15
    dipropyl ether 837.6
    1,2-dichlorobenzene 1033.76
    ethyl lactate 252.19
    propylene carbonate 875.94
    n-methylformamide 703.25
    2-pentanol 568.17
    n-pentane 292.67
    1-propoxy-2-propanol 749.04
    1-methoxy-2-propyl acetate 680.56
    2-(2-methoxypropoxy) propanol 436.29
    mesitylene 306.65
    ε-caprolactone 1189.01
    p-cymene 309.02
    epichlorohydrin 1896.57
    1,1,1-trichloroethane 1855.76
    2-aminoethanol 357.3
    morpholine-4-carbaldehyde 1193.99
    sulfolane 1727.99
    2,2,4-trimethylpentane 159.01
    2-methyltetrahydrofuran 1498.9
    n-hexyl acetate 745.48
    isooctane 120.69
    2-(2-butoxyethoxy)ethanol 624.52
    sec-butyl acetate 510.85
    tert-butyl acetate 588.05
    decalin 191.99
    glycerin 233.3
    diglyme 1175.39
    acrylic acid 499.06
    isopropyl myristate 300.54
    n-butyric acid 987.76
    acetyl acetate 499.09
    di(2-ethylhexyl) phthalate 249.35
    ethyl propionate 647.78
    nitromethane 1128.58
    1,2-diethoxyethane 1136.19
    benzonitrile 899.04
    trioctyl phosphate 207.17
    1-bromopropane 1447.06
    gamma-valerolactone 1622.73
    n-decanol 254.68
    triethyl phosphate 280.58
    4-methyl-2-pentanol 327.31
    propionitrile 883.91
    vinylene carbonate 897.91
    1,1,2-trichlorotrifluoroethane 887.5
    DMS 466.1
    cumene 299.15
    2-octanol 318.38
    2-hexanone 783.9
    octyl acetate 365.28
    limonene 449.94
    1,2-dimethoxyethane 1344.63
    ethyl orthosilicate 300.37
    tributyl phosphate 280.81
    diacetone alcohol 477.11
    N,N-dimethylaniline 450.57
    acrylonitrile 939.64
    aniline 734.2
    1,3-propanediol 532.51
    bromobenzene 1373.52
    dibromomethane 2606.6
    1,1,2,2-tetrachloroethane 2099.56
    2-methyl-cyclohexyl acetate 495.83
    tetrabutyl urea 321.52
    diisobutyl methanol 302.1
    2-phenylethanol 594.06
    styrene 533.75
    dioctyl adipate 343.02
    dimethyl sulfate 415.54
    ethyl butyrate 836.47
    methyl lactate 246.51
    butyl lactate 365.21
    diethyl carbonate 482.85
    propanediol butyl ether 392.85
    triethyl orthoformate 487.46
    p-tert-butyltoluene 278.17
    methyl 4-tert-butylbenzoate 418.36
    morpholine 1569.44
    tert-butylamine 585.28
    n-dodecanol 200.1
    dimethoxymethane 863.63
    ethylene carbonate 802.83
    cyrene 387.02
    2-ethoxyethyl acetate 719.85
    2-ethylhexyl acetate 879.24
    1,2,4-trichlorobenzene 1046.2
    4-methylpyridine 1428.56
    dibutyl ether 689.48
    2,6-dimethyl-4-heptanol 302.1
    DEF 1010.29
    dimethyl isosorbide 767.52
    tetrachloroethylene 1757.66
    eugenol 444.57
    triacetin 428.59
    span 80 398.8
    1,4-butanediol 272.07
    1,1-dichloroethane 1858.56
    2-methyl-1-pentanol 642.6
    methyl formate 576.54
    2-methyl-1-butanol 753.3
    n-decane 127.59
    butyronitrile 1082.16
    3,7-dimethyl-1-octanol 392.64
    1-chlorooctane 414.16
    1-chlorotetradecane 171.85
    n-nonane 141.9
    undecane 93.99
    tert-butylcyclohexane 202.44
    cyclooctane 153.91
    cyclopentanol 669.49
    tetrahydropyran 1572.19
    tert-amyl methyl ether 697.55
    2,5,8-trioxanonane 692.17
    1-hexene 784.29
    2-isopropoxyethanol 535.57
    2,2,2-trifluoroethanol 273.11
    methyl butyrate 884.35

    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