N-propyl-p-toluidine

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  • Identifiers

    CAS number
    54837-90-0

    Molecular formula
    C10H15N

    SMILES
    CCCNC1=CC=C(C=C1)C

  • Odor profile

    Fragrance
    Fishy 50.71%
    Cheesy 45.93%
    Animal 40.73%
    Meaty 35.13%
    Ripe 34.2%
    Roasted 32.38%
    Burnt 29.52%
    Savory 25.75%
    Smoky 24.39%
    Sulfurous 24.36%

     

    Flavor
    Meaty 37.45%
    Phenolic 33.8%
    Spicy 32.3%
    Mild 29.64%
    Medicinal 29.61%
    Fishy 29.1%
    Sulfurous 27.46%
    Herbal 26.57%
    Sweet 25.21%
    Floral 24.91%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.8

    pKa est.
    5.77 (weak acid)

    Molecular weight
    149.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    236°C

    Flash point

    • 95.25 ˚C est.

  • Synonyms

    • N-propyl-p-toluidine
    • 4-methyl-N-propylaniline
    • 54837-90-0
    • DTXSID80334678
    • Benzenamine,4-methyl-N-propyl-
    • Benzenamine, 4-methyl-N-propyl-
    • SCHEMBL409332
    • DTXCID90285768
    • YPEZCZIRPXYWSI-UHFFFAOYSA-N
    • AKOS000241589

  • Applications

    N-propyl-p-toluidine is primarily used as an organic building block, serving as an intermediate in the synthesis of dyes and pigments and as a precursor for pharmaceutical and agrochemical intermediates. It is also employed in the polymer and coatings sectors as a building block for polyurethane catalyst components and as a precursor for specialized coating and ink formulations. Its use is typically conducted under local regulatory control and subject to formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 427.42
    methanol 297.28
    isopropanol 290.17
    water 0.11
    ethyl acetate 597.9
    n-propanol 340.06
    acetone 626.17
    n-butanol 414.91
    acetonitrile 318.39
    DMF 488.27
    toluene 263.11
    isobutanol 247.99
    1,4-dioxane 949.14
    methyl acetate 412.81
    THF 1177.1
    2-butanone 507.53
    n-pentanol 306.41
    sec-butanol 280.09
    n-hexane 168.91
    ethylene glycol 53.94
    NMP 312.43
    cyclohexane 186.14
    DMSO 625.23
    n-butyl acetate 999.24
    n-octanol 211.09
    chloroform 1271.4
    n-propyl acetate 365.7
    acetic acid 278.38
    dichloromethane 1081.9
    cyclohexanone 576.68
    propylene glycol 105.75
    isopropyl acetate 351.58
    DMAc 449.96
    2-ethoxyethanol 312.42
    isopentanol 338.53
    n-heptane 187.89
    ethyl formate 298.93
    1,2-dichloroethane 702.72
    n-hexanol 696.78
    2-methoxyethanol 437.67
    isobutyl acetate 267.88
    tetrachloromethane 205.63
    n-pentyl acetate 252.78
    transcutol 1264.29
    n-heptanol 205.96
    ethylbenzene 134.18
    MIBK 281.76
    2-propoxyethanol 662.66
    tert-butanol 408.62
    MTBE 606.9
    2-butoxyethanol 278.51
    propionic acid 219.86
    o-xylene 143.28
    formic acid 47.64
    diethyl ether 744.24
    m-xylene 167.52
    p-xylene 168.16
    chlorobenzene 349.08
    dimethyl carbonate 150.21
    n-octane 60.82
    formamide 64.17
    cyclopentanone 632.82
    2-pentanone 473.98
    anisole 263.87
    cyclopentyl methyl ether 497.31
    gamma-butyrolactone 567.95
    1-methoxy-2-propanol 370.16
    pyridine 591.35
    3-pentanone 361.14
    furfural 470.17
    n-dodecane 46.88
    diethylene glycol 320.92
    diisopropyl ether 211.02
    tert-amyl alcohol 316.97
    acetylacetone 456.16
    n-hexadecane 51.85
    acetophenone 212.83
    methyl propionate 347.14
    isopentyl acetate 662.55
    trichloroethylene 1067.31
    n-nonanol 184.75
    cyclohexanol 270.81
    benzyl alcohol 177.07
    2-ethylhexanol 444.81
    isooctanol 158.14
    dipropyl ether 731.52
    1,2-dichlorobenzene 271.37
    ethyl lactate 125.95
    propylene carbonate 403.56
    n-methylformamide 159.9
    2-pentanol 276.53
    n-pentane 115.18
    1-propoxy-2-propanol 592.56
    1-methoxy-2-propyl acetate 510.33
    2-(2-methoxypropoxy) propanol 250.48
    mesitylene 113.42
    ε-caprolactone 458.29
    p-cymene 143.66
    epichlorohydrin 712.64
    1,1,1-trichloroethane 623.56
    2-aminoethanol 119.36
    morpholine-4-carbaldehyde 442.27
    sulfolane 559.88
    2,2,4-trimethylpentane 60.19
    2-methyltetrahydrofuran 771.06
    n-hexyl acetate 354.22
    isooctane 50.68
    2-(2-butoxyethoxy)ethanol 367.72
    sec-butyl acetate 240.38
    tert-butyl acetate 363.96
    decalin 84.34
    glycerin 122.3
    diglyme 681.67
    acrylic acid 159.55
    isopropyl myristate 160.82
    n-butyric acid 486.8
    acetyl acetate 315.34
    di(2-ethylhexyl) phthalate 127.34
    ethyl propionate 279.88
    nitromethane 401.76
    1,2-diethoxyethane 743.24
    benzonitrile 258.13
    trioctyl phosphate 104.15
    1-bromopropane 566.29
    gamma-valerolactone 621.3
    n-decanol 148.71
    triethyl phosphate 155.14
    4-methyl-2-pentanol 162.17
    propionitrile 337.55
    vinylene carbonate 310.17
    1,1,2-trichlorotrifluoroethane 402.26
    DMS 218.34
    cumene 105.31
    2-octanol 133.75
    2-hexanone 381.55
    octyl acetate 192.43
    limonene 252.99
    1,2-dimethoxyethane 713.23
    ethyl orthosilicate 174.32
    tributyl phosphate 132.33
    diacetone alcohol 287.92
    N,N-dimethylaniline 172.37
    acrylonitrile 288.94
    aniline 257.67
    1,3-propanediol 197.37
    bromobenzene 412.44
    dibromomethane 813.19
    1,1,2,2-tetrachloroethane 889.57
    2-methyl-cyclohexyl acetate 287.12
    tetrabutyl urea 168.81
    diisobutyl methanol 206.37
    2-phenylethanol 279.51
    styrene 184.56
    dioctyl adipate 185.65
    dimethyl sulfate 183.33
    ethyl butyrate 519.56
    methyl lactate 135.8
    butyl lactate 168.26
    diethyl carbonate 286.17
    propanediol butyl ether 216.63
    triethyl orthoformate 324.87
    p-tert-butyltoluene 149.69
    methyl 4-tert-butylbenzoate 192.73
    morpholine 919.15
    tert-butylamine 317.06
    n-dodecanol 128.52
    dimethoxymethane 457.56
    ethylene carbonate 301.69
    cyrene 181.06
    2-ethoxyethyl acetate 323.66
    2-ethylhexyl acetate 536.82
    1,2,4-trichlorobenzene 288.53
    4-methylpyridine 502.6
    dibutyl ether 436.22
    2,6-dimethyl-4-heptanol 206.37
    DEF 443.21
    dimethyl isosorbide 395.71
    tetrachloroethylene 574.92
    eugenol 185.95
    triacetin 249.07
    span 80 247.87
    1,4-butanediol 88.47
    1,1-dichloroethane 686.57
    2-methyl-1-pentanol 270.6
    methyl formate 147.61
    2-methyl-1-butanol 304.12
    n-decane 73.98
    butyronitrile 456.12
    3,7-dimethyl-1-octanol 214.75
    1-chlorooctane 211.4
    1-chlorotetradecane 95.93
    n-nonane 77.64
    undecane 56.99
    tert-butylcyclohexane 81.84
    cyclooctane 74.08
    cyclopentanol 232.15
    tetrahydropyran 1004.7
    tert-amyl methyl ether 379.69
    2,5,8-trioxanonane 441.3
    1-hexene 465.43
    2-isopropoxyethanol 247.87
    2,2,2-trifluoroethanol 62.59
    methyl butyrate 396.97

    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