2-Propylpyridine

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  • Identifiers

    CAS number
    622-39-9

    Molecular formula
    C8H11N

    SMILES
    CCCC1=CC=CC=N1

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Green 82.58%
    Fatty 58.64%
    Nutty 52.14%
    Earthy 50.29%
    Fishy 48.91%
    Vegetable 48.2%
    Roasted 47.18%
    Sweet 39.49%
    Animal 39.14%
    Herbal 39.03%

     

    Flavor
    Green 89.4%
    Nutty 60.45%
    Fatty 58.88%
    Vegetable 44.44%
    Roasted 40.93%
    Herbal 38.73%
    Earthy 37.27%
    Pepper 36.8%
    Raw 32.74%
    Spicy 28.66%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.8

    pKa est.
    5.35 (weak acid)

    Molecular weight
    121.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • 2 °C

    Boiling point

    • 169.00 to 171.00 °C. @ 760.00 mm Hg

    Flash point

    • 49.15 ˚C est.

    Solubility expt.

    • slightly
    • Slightly soluble in water
    • Soluble (in ethanol)

  • Synonyms

    • 2-Propylpyridine
    • 622-39-9
    • 2-n-Propylpyridine
    • Conyrine
    • Pyridine, 2-propyl-
    • Conyrin
    • 1-(2-Pyridyl)propane
    • 2-Propyl-pyridine
    • Pyridine, 1-propyl-
    • UNII-3N6AX0B7PA
    • PYRIDINE, 1-PROPYL
    • 3N6AX0B7PA
    • 1-Propyl-Pyridine
    • NSC 966
    • NSC-966
    • 2-(C3H7)-pyridine
    • EINECS 210-732-4
    • MFCD00006368
    • 2-PROPYLPYRIDINE [FHFI]
    • DTXSID2060751
    • FEMA NO. 4065
    • Pyridine, propyl-
    • propylpyridine
    • NSC966
    • pyridine, 2-n-propyl-
    • SCHEMBL10527
    • 2-Propylpyridine, >=97%
    • CHEMBL21824
    • DTXCID0043264
    • CHEBI:179425
    • AKOS015843336
    • RS-1034
    • SY035538
    • CS-0152409
    • NS00022530
    • P0336
    • A10924
    • A25690
    • EN300-121954
    • Q27257724
    • Z1255434741
    • 1-(2-Pyridyl)propane;2-propyl-pyridin;Pyridine, 2-propyl-
    • 210-732-4

  • Applications

    2-Propylpyridine is primarily used as an organic synthesis intermediate, providing a heteroaromatic building block for subsequent functionalization to access diverse pyridine-derived compounds. In fragrance and perfumery, it may serve as a fragrance intermediate or aroma material in specialty formulations. In pharmaceutical and agrochemical research, it is used as a versatile starting point for constructing heteroaryl pyridine scaffolds. In industrial manufacturing, it is employed as a precursor for coatings, inks and polymer additives, enabling formulation-specific chemistries. In materials science, it is explored as a starting point for functionalized pyridine derivatives used in advanced materials and catalysis research.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1168.58
    methanol 942.93
    isopropanol 798.72
    water 0.6
    ethyl acetate 864.96
    n-propanol 903.33
    acetone 1266.71
    n-butanol 880.39
    acetonitrile 1134.5
    DMF 1337.27
    toluene 687.3
    isobutanol 707.25
    1,4-dioxane 1408.43
    methyl acetate 744.44
    THF 1663.01
    2-butanone 930.54
    n-pentanol 595.4
    sec-butanol 694.3
    n-hexane 391.27
    ethylene glycol 156.72
    NMP 1157.53
    cyclohexane 586.87
    DMSO 1843.73
    n-butyl acetate 1624.19
    n-octanol 483.79
    chloroform 3929.96
    n-propyl acetate 653.41
    acetic acid 983.22
    dichloromethane 4057.58
    cyclohexanone 1691.22
    propylene glycol 220.96
    isopropyl acetate 468.27
    DMAc 742.42
    2-ethoxyethanol 466.47
    isopentanol 635.02
    n-heptane 530.39
    ethyl formate 763.37
    1,2-dichloroethane 1938.6
    n-hexanol 1300.41
    2-methoxyethanol 751.92
    isobutyl acetate 388.18
    tetrachloromethane 749.18
    n-pentyl acetate 508.83
    transcutol 1594.03
    n-heptanol 434.47
    ethylbenzene 359.82
    MIBK 436.46
    2-propoxyethanol 1015.03
    tert-butanol 731.68
    MTBE 665.43
    2-butoxyethanol 475.87
    propionic acid 763.78
    o-xylene 357.37
    formic acid 170.1
    diethyl ether 975.37
    m-xylene 391.56
    p-xylene 433.75
    chlorobenzene 1197.79
    dimethyl carbonate 280.37
    n-octane 147.29
    formamide 251.5
    cyclopentanone 1487.76
    2-pentanone 830.26
    anisole 513.92
    cyclopentyl methyl ether 943.35
    gamma-butyrolactone 1530.71
    1-methoxy-2-propanol 567.11
    pyridine 1613.34
    3-pentanone 639.15
    furfural 1205.22
    n-dodecane 108.2
    diethylene glycol 480.64
    diisopropyl ether 284.35
    tert-amyl alcohol 574.87
    acetylacetone 667.79
    n-hexadecane 120.82
    acetophenone 485.84
    methyl propionate 659.98
    isopentyl acetate 1007.24
    trichloroethylene 3163.7
    n-nonanol 378.8
    cyclohexanol 827.32
    benzyl alcohol 413.27
    2-ethylhexanol 830.58
    isooctanol 304.41
    dipropyl ether 1128.38
    1,2-dichlorobenzene 931.89
    ethyl lactate 223.78
    propylene carbonate 973.87
    n-methylformamide 629.97
    2-pentanol 550.56
    n-pentane 351.57
    1-propoxy-2-propanol 872.79
    1-methoxy-2-propyl acetate 640.58
    2-(2-methoxypropoxy) propanol 403.33
    mesitylene 249.84
    ε-caprolactone 1194.45
    p-cymene 354.02
    epichlorohydrin 1550.21
    1,1,1-trichloroethane 1739.69
    2-aminoethanol 338.5
    morpholine-4-carbaldehyde 949.47
    sulfolane 1659.52
    2,2,4-trimethylpentane 117.91
    2-methyltetrahydrofuran 1346.94
    n-hexyl acetate 741.09
    isooctane 103.62
    2-(2-butoxyethoxy)ethanol 555.16
    sec-butyl acetate 336.21
    tert-butyl acetate 402.48
    decalin 197.2
    glycerin 250.88
    diglyme 1011.32
    acrylic acid 572.36
    isopropyl myristate 303.03
    n-butyric acid 1133.96
    acetyl acetate 446.01
    di(2-ethylhexyl) phthalate 260.69
    ethyl propionate 487.15
    nitromethane 1168.73
    1,2-diethoxyethane 920.01
    benzonitrile 880.88
    trioctyl phosphate 217.38
    1-bromopropane 1555.78
    gamma-valerolactone 1346.43
    n-decanol 289.11
    triethyl phosphate 257.95
    4-methyl-2-pentanol 258.11
    propionitrile 995.16
    vinylene carbonate 924.33
    1,1,2-trichlorotrifluoroethane 864.48
    DMS 434.06
    cumene 234.54
    2-octanol 286.81
    2-hexanone 707.58
    octyl acetate 394.72
    limonene 621.17
    1,2-dimethoxyethane 1003.46
    ethyl orthosilicate 256.7
    tributyl phosphate 284.0
    diacetone alcohol 405.33
    N,N-dimethylaniline 354.21
    acrylonitrile 1038.87
    aniline 671.47
    1,3-propanediol 462.66
    bromobenzene 1468.36
    dibromomethane 3013.23
    1,1,2,2-tetrachloroethane 2254.96
    2-methyl-cyclohexyl acetate 493.59
    tetrabutyl urea 376.31
    diisobutyl methanol 341.68
    2-phenylethanol 571.48
    styrene 516.22
    dioctyl adipate 398.94
    dimethyl sulfate 414.59
    ethyl butyrate 856.2
    methyl lactate 253.51
    butyl lactate 347.66
    diethyl carbonate 467.25
    propanediol butyl ether 426.65
    triethyl orthoformate 463.28
    p-tert-butyltoluene 302.0
    methyl 4-tert-butylbenzoate 396.24
    morpholine 1384.27
    tert-butylamine 604.49
    n-dodecanol 240.7
    dimethoxymethane 789.42
    ethylene carbonate 800.02
    cyrene 296.67
    2-ethoxyethyl acetate 513.31
    2-ethylhexyl acetate 833.9
    1,2,4-trichlorobenzene 922.85
    4-methylpyridine 1370.14
    dibutyl ether 761.91
    2,6-dimethyl-4-heptanol 341.68
    DEF 942.13
    dimethyl isosorbide 681.28
    tetrachloroethylene 1593.84
    eugenol 380.05
    triacetin 471.76
    span 80 462.79
    1,4-butanediol 223.27
    1,1-dichloroethane 1944.32
    2-methyl-1-pentanol 465.93
    methyl formate 540.91
    2-methyl-1-butanol 631.48
    n-decane 169.93
    butyronitrile 1219.16
    3,7-dimethyl-1-octanol 413.8
    1-chlorooctane 503.6
    1-chlorotetradecane 208.92
    n-nonane 192.58
    undecane 131.02
    tert-butylcyclohexane 174.18
    cyclooctane 189.17
    cyclopentanol 853.12
    tetrahydropyran 1625.74
    tert-amyl methyl ether 452.58
    2,5,8-trioxanonane 679.1
    1-hexene 861.99
    2-isopropoxyethanol 339.71
    2,2,2-trifluoroethanol 216.55
    methyl butyrate 744.51

    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