2,5-Dimethylpyridine

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  • Identifiers

    CAS number
    589-93-5

    Molecular formula
    C7H9N

    SMILES
    CC1=CN=C(C=C1)C

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Green 78.57%
    Nutty 58.21%
    Roasted 55.46%
    Earthy 54.43%
    Fishy 50.41%
    Animal 46.08%
    Tobacco 43.65%
    Musty 42.2%
    Fatty 41.02%
    Herbal 38.97%

     

    Flavor
    Nutty 57.84%
    Roasted 42.89%
    Woody 41.82%
    Cocoa 40.09%
    Coffee 35.3%
    Musty 34.48%
    Leather 33.76%
    Earthy 33.63%
    Roast 30.21%
    Tobacco 29.45%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.6

    pKa est.
    5.61 (weak acid)

    Molecular weight
    107.15 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    154°C

    Flash point

    • 41.19 ˚C est.

  • Synonyms

    • 2,5-DIMETHYLPYRIDINE
    • 2,5-Lutidine
    • 589-93-5
    • Pyridine, 2,5-dimethyl-
    • 2,5-dimethyl-pyridine
    • MFCD00006343
    • 6L09RM76RH
    • NSC-5089
    • NSC 5089
    • EINECS 209-666-9
    • UNII-6L09RM76RH
    • NSC5089
    • 5-methyl-2-methylpyridine
    • 2,5-Lutidine, 95%
    • SCHEMBL31030
    • SCHEMBL192453
    • SCHEMBL193940
    • SCHEMBL194022
    • SCHEMBL830916
    • WLN: T6NJ B1 E1
    • SCHEMBL1515085
    • SCHEMBL9901722
    • DTXSID0060436
    • SCHEMBL31218494
    • BB_SC-12955
    • SBB060370
    • AKOS005258301
    • LS-13280
    • DB-053300
    • L0065
    • NS00022441
    • ST51046559
    • EN300-61695
    • I10249
    • F242840
    • Q23636061
    • InChI=1/C7H9N/c1-6-3-4-7(2)8-5-6/h3-5H,1-2H
    • 589-93-5

  • Applications

    2,5-Dimethylpyridine (CAS 589-93-5) is primarily used as an intermediate and building block in the synthesis of heterocyclic compounds for pharmaceuticals and agrochemicals; it can function as a non-nucleophilic base and ligand in industrial catalytic processes; it serves as a precursor for materials used in polymers/plastics and coatings/inks; it may also be employed as a solvent or reagent in certain chemical manufacturing steps, and its use is typically subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 311.22
    methanol 297.3
    isopropanol 297.87
    water 3.53
    ethyl acetate 306.81
    n-propanol 311.57
    acetone 418.64
    n-butanol 308.6
    acetonitrile 268.71
    DMF 507.09
    toluene 186.74
    isobutanol 270.61
    1,4-dioxane 414.35
    methyl acetate 384.74
    THF 523.91
    2-butanone 442.11
    n-pentanol 231.54
    sec-butanol 323.78
    n-hexane 99.97
    ethylene glycol 94.8
    NMP 368.2
    cyclohexane 58.56
    DMSO 378.32
    n-butyl acetate 250.86
    n-octanol 166.94
    chloroform 933.83
    n-propyl acetate 177.8
    acetic acid 185.66
    dichloromethane 757.5
    cyclohexanone 376.62
    propylene glycol 176.57
    isopropyl acetate 192.76
    DMAc 544.78
    2-ethoxyethanol 256.68
    isopentanol 259.36
    n-heptane 73.41
    ethyl formate 210.3
    1,2-dichloroethane 369.37
    n-hexanol 300.19
    2-methoxyethanol 388.84
    isobutyl acetate 148.63
    tetrachloromethane 210.94
    n-pentyl acetate 162.8
    transcutol 549.32
    n-heptanol 164.81
    ethylbenzene 131.67
    MIBK 209.36
    2-propoxyethanol 394.66
    tert-butanol 334.97
    MTBE 351.88
    2-butoxyethanol 251.12
    propionic acid 265.49
    o-xylene 145.06
    formic acid 66.3
    diethyl ether 287.04
    m-xylene 140.28
    p-xylene 174.83
    chlorobenzene 233.14
    dimethyl carbonate 137.39
    n-octane 38.04
    formamide 83.79
    cyclopentanone 455.96
    2-pentanone 309.58
    anisole 239.54
    cyclopentyl methyl ether 282.65
    gamma-butyrolactone 423.12
    1-methoxy-2-propanol 378.92
    pyridine 345.33
    3-pentanone 278.43
    furfural 416.16
    n-dodecane 30.9
    diethylene glycol 242.07
    diisopropyl ether 104.26
    tert-amyl alcohol 336.35
    acetylacetone 294.69
    n-hexadecane 33.11
    acetophenone 207.4
    methyl propionate 282.0
    isopentyl acetate 224.48
    trichloroethylene 691.22
    n-nonanol 139.72
    cyclohexanol 206.63
    benzyl alcohol 193.61
    2-ethylhexanol 198.03
    isooctanol 132.46
    dipropyl ether 208.19
    1,2-dichlorobenzene 213.12
    ethyl lactate 123.63
    propylene carbonate 267.03
    n-methylformamide 231.07
    2-pentanol 227.84
    n-pentane 72.83
    1-propoxy-2-propanol 304.15
    1-methoxy-2-propyl acetate 229.33
    2-(2-methoxypropoxy) propanol 217.29
    mesitylene 92.17
    ε-caprolactone 309.11
    p-cymene 101.6
    epichlorohydrin 497.88
    1,1,1-trichloroethane 475.55
    2-aminoethanol 191.88
    morpholine-4-carbaldehyde 398.57
    sulfolane 425.5
    2,2,4-trimethylpentane 51.55
    2-methyltetrahydrofuran 431.05
    n-hexyl acetate 237.45
    isooctane 38.12
    2-(2-butoxyethoxy)ethanol 270.18
    sec-butyl acetate 144.2
    tert-butyl acetate 200.56
    decalin 53.35
    glycerin 185.73
    diglyme 429.14
    acrylic acid 210.73
    isopropyl myristate 111.42
    n-butyric acid 301.26
    acetyl acetate 185.44
    di(2-ethylhexyl) phthalate 107.0
    ethyl propionate 177.92
    nitromethane 309.5
    1,2-diethoxyethane 251.14
    benzonitrile 212.0
    trioctyl phosphate 79.87
    1-bromopropane 318.05
    gamma-valerolactone 455.07
    n-decanol 114.34
    triethyl phosphate 96.28
    4-methyl-2-pentanol 152.06
    propionitrile 284.76
    vinylene carbonate 261.62
    1,1,2-trichlorotrifluoroethane 347.07
    DMS 186.89
    cumene 107.84
    2-octanol 122.22
    2-hexanone 239.0
    octyl acetate 144.33
    limonene 135.93
    1,2-dimethoxyethane 372.89
    ethyl orthosilicate 99.43
    tributyl phosphate 94.18
    diacetone alcohol 253.06
    N,N-dimethylaniline 192.56
    acrylonitrile 311.79
    aniline 230.36
    1,3-propanediol 217.66
    bromobenzene 252.08
    dibromomethane 497.38
    1,1,2,2-tetrachloroethane 550.77
    2-methyl-cyclohexyl acetate 155.64
    tetrabutyl urea 122.21
    diisobutyl methanol 121.36
    2-phenylethanol 206.75
    styrene 153.41
    dioctyl adipate 136.41
    dimethyl sulfate 212.71
    ethyl butyrate 177.33
    methyl lactate 174.22
    butyl lactate 137.62
    diethyl carbonate 120.44
    propanediol butyl ether 211.21
    triethyl orthoformate 129.11
    p-tert-butyltoluene 102.81
    methyl 4-tert-butylbenzoate 201.42
    morpholine 406.16
    tert-butylamine 239.58
    n-dodecanol 95.83
    dimethoxymethane 297.73
    ethylene carbonate 205.61
    cyrene 186.23
    2-ethoxyethyl acetate 208.01
    2-ethylhexyl acetate 182.44
    1,2,4-trichlorobenzene 262.88
    4-methylpyridine 379.84
    dibutyl ether 198.09
    2,6-dimethyl-4-heptanol 121.36
    DEF 344.24
    dimethyl isosorbide 298.07
    tetrachloroethylene 358.92
    eugenol 197.72
    triacetin 200.9
    span 80 194.7
    1,4-butanediol 111.65
    1,1-dichloroethane 496.35
    2-methyl-1-pentanol 219.87
    methyl formate 187.84
    2-methyl-1-butanol 278.18
    n-decane 47.5
    butyronitrile 275.89
    3,7-dimethyl-1-octanol 163.07
    1-chlorooctane 139.01
    1-chlorotetradecane 63.18
    n-nonane 50.18
    undecane 36.97
    tert-butylcyclohexane 66.0
    cyclooctane 28.85
    cyclopentanol 246.77
    tetrahydropyran 374.44
    tert-amyl methyl ether 280.26
    2,5,8-trioxanonane 303.99
    1-hexene 226.36
    2-isopropoxyethanol 210.48
    2,2,2-trifluoroethanol 96.05
    methyl butyrate 234.22

    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