3,4-Dihydro-5-(5-methyl-2-furanyl)-2H-pyrrole

Overview IFRA Request a quote

  • Identifiers

    CAS number
    118248-26-3

    Molecular formula
    C9H11NO

    SMILES
    CC1=CC=C(O1)C2=NCCC2

    Safety labels

  • Odor profile

    Fragrance
    Roasted 71.69%
    Nutty 65.44%
    Popcorn 43.07%
    Meaty 41.31%
    Earthy 37.66%
    Musty 36.65%
    Burnt 35.11%
    Coffee 33.88%
    Hazelnut 33.48%
    Caramellic 32.68%

     

    Flavor
    Roasted 66.15%
    Nutty 54.33%
    Roast 51.73%
    Coffee 47.38%
    Corn 37.51%
    Meaty 36.02%
    Potato 34.74%
    Nut 34.66%
    Earthy 33.52%
    Musty 33.26%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.5

    pKa est.
    7.18 (neutral)

    Molecular weight
    149.19 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    252°C

    Flash point

    • 104.87 ˚C est.

  • Synonyms

    • 3,4-Dihydro-5-(5-methyl-2-furanyl)-2H-pyrrole
    • 0R62T8ZKM5
    • 5-(5-methylfuran-2-yl)-3,4-dihydro-2H-pyrrole
    • 2H-Pyrrole, 3,4-dihydro-5-(5-methyl-2-furanyl)-
    • RefChem:198063
    • 118248-26-3
    • UNII-0R62T8ZKM5
    • CHEBI:173400
    • FCHSRBDFHOMGQE-UHFFFAOYSA-N
    • DTXSID301252079
    • 2-(5-methyl-2-furyl)-1-pyroline
    • 2-(5-Methyl-2-furyl)-1-pyrroline
    • 5-(5-methyluran-2-yl)-3,4-dihydro-2H-pyrrole
    • 118248-26-3

  • Applications

    3,4-Dihydro-5-(5-methyl-2-furanyl)-2H-pyrrole (CAS 118248-26-3) is typically considered as an intermediate in organic synthesis and may serve as a building block for heterocyclic compounds in pharmaceutical or agrochemical research. In fragrance and flavor contexts it may be evaluated as a fragrance note or ingredient, and in cosmetics and personal care formulations it can function as a fragrance constituent. It can also appear in household products as a fragrance component and may be explored in industrial manufacturing as a specialty intermediate for chemical synthesis of other building blocks.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 252.7
    methanol 336.46
    isopropanol 174.19
    water 4.39
    ethyl acetate 126.63
    n-propanol 217.28
    acetone 203.18
    n-butanol 194.29
    acetonitrile 231.52
    DMF 439.29
    toluene 219.9
    isobutanol 167.04
    1,4-dioxane 279.23
    methyl acetate 160.97
    THF 371.8
    2-butanone 182.41
    n-pentanol 153.71
    sec-butanol 168.14
    n-hexane 23.46
    ethylene glycol 130.52
    NMP 367.76
    cyclohexane 56.15
    DMSO 417.24
    n-butyl acetate 121.38
    n-octanol 134.89
    chloroform 1213.63
    n-propyl acetate 98.83
    acetic acid 249.71
    dichloromethane 1147.35
    cyclohexanone 281.39
    propylene glycol 132.15
    isopropyl acetate 85.4
    DMAc 386.46
    2-ethoxyethanol 203.58
    isopentanol 150.61
    n-heptane 29.73
    ethyl formate 169.15
    1,2-dichloroethane 384.01
    n-hexanol 155.9
    2-methoxyethanol 307.8
    isobutyl acetate 73.91
    tetrachloromethane 157.44
    n-pentyl acetate 100.01
    transcutol 505.44
    n-heptanol 95.57
    ethylbenzene 131.26
    MIBK 102.41
    2-propoxyethanol 229.13
    tert-butanol 153.34
    MTBE 106.96
    2-butoxyethanol 151.75
    propionic acid 193.62
    o-xylene 143.7
    formic acid 108.79
    diethyl ether 111.77
    m-xylene 136.4
    p-xylene 164.12
    chlorobenzene 330.8
    dimethyl carbonate 104.66
    n-octane 18.59
    formamide 138.51
    cyclopentanone 309.86
    2-pentanone 134.1
    anisole 227.25
    cyclopentyl methyl ether 162.33
    gamma-butyrolactone 342.86
    1-methoxy-2-propanol 215.07
    pyridine 421.03
    3-pentanone 126.39
    furfural 490.55
    n-dodecane 24.7
    diethylene glycol 221.17
    diisopropyl ether 42.71
    tert-amyl alcohol 135.41
    acetylacetone 167.62
    n-hexadecane 27.6
    acetophenone 209.32
    methyl propionate 132.99
    isopentyl acetate 113.24
    trichloroethylene 829.48
    n-nonanol 117.23
    cyclohexanol 174.66
    benzyl alcohol 223.12
    2-ethylhexanol 102.12
    isooctanol 78.99
    dipropyl ether 95.34
    1,2-dichlorobenzene 297.31
    ethyl lactate 107.52
    propylene carbonate 249.13
    n-methylformamide 210.86
    2-pentanol 111.97
    n-pentane 28.56
    1-propoxy-2-propanol 149.8
    1-methoxy-2-propyl acetate 135.18
    2-(2-methoxypropoxy) propanol 199.15
    mesitylene 81.95
    ε-caprolactone 248.48
    p-cymene 87.71
    epichlorohydrin 417.21
    1,1,1-trichloroethane 356.67
    2-aminoethanol 190.87
    morpholine-4-carbaldehyde 370.08
    sulfolane 451.19
    2,2,4-trimethylpentane 20.33
    2-methyltetrahydrofuran 225.09
    n-hexyl acetate 173.67
    isooctane 14.73
    2-(2-butoxyethoxy)ethanol 247.46
    sec-butyl acetate 71.69
    tert-butyl acetate 91.22
    decalin 36.85
    glycerin 178.53
    diglyme 368.28
    acrylic acid 216.48
    isopropyl myristate 93.63
    n-butyric acid 211.09
    acetyl acetate 119.31
    di(2-ethylhexyl) phthalate 115.94
    ethyl propionate 103.95
    nitromethane 278.58
    1,2-diethoxyethane 145.36
    benzonitrile 317.56
    trioctyl phosphate 77.34
    1-bromopropane 241.37
    gamma-valerolactone 353.88
    n-decanol 95.95
    triethyl phosphate 80.04
    4-methyl-2-pentanol 71.84
    propionitrile 208.28
    vinylene carbonate 308.51
    1,1,2-trichlorotrifluoroethane 343.27
    DMS 162.42
    cumene 92.65
    2-octanol 73.44
    2-hexanone 110.78
    octyl acetate 119.47
    limonene 106.84
    1,2-dimethoxyethane 286.3
    ethyl orthosilicate 73.03
    tributyl phosphate 89.04
    diacetone alcohol 125.01
    N,N-dimethylaniline 174.46
    acrylonitrile 296.86
    aniline 228.81
    1,3-propanediol 197.13
    bromobenzene 385.16
    dibromomethane 695.24
    1,1,2,2-tetrachloroethane 583.33
    2-methyl-cyclohexyl acetate 119.79
    tetrabutyl urea 117.93
    diisobutyl methanol 61.17
    2-phenylethanol 182.2
    styrene 176.71
    dioctyl adipate 139.91
    dimethyl sulfate 176.12
    ethyl butyrate 115.11
    methyl lactate 124.74
    butyl lactate 112.02
    diethyl carbonate 106.37
    propanediol butyl ether 187.47
    triethyl orthoformate 90.87
    p-tert-butyltoluene 77.09
    methyl 4-tert-butylbenzoate 185.44
    morpholine 280.11
    tert-butylamine 114.31
    n-dodecanol 81.64
    dimethoxymethane 223.94
    ethylene carbonate 217.48
    cyrene 190.1
    2-ethoxyethyl acetate 133.27
    2-ethylhexyl acetate 96.82
    1,2,4-trichlorobenzene 341.37
    4-methylpyridine 358.64
    dibutyl ether 118.23
    2,6-dimethyl-4-heptanol 61.17
    DEF 189.38
    dimethyl isosorbide 263.44
    tetrachloroethylene 389.0
    eugenol 200.13
    triacetin 183.44
    span 80 189.22
    1,4-butanediol 126.19
    1,1-dichloroethane 371.4
    2-methyl-1-pentanol 137.5
    methyl formate 186.38
    2-methyl-1-butanol 154.75
    n-decane 32.67
    butyronitrile 220.41
    3,7-dimethyl-1-octanol 119.11
    1-chlorooctane 102.15
    1-chlorotetradecane 56.78
    n-nonane 30.79
    undecane 27.86
    tert-butylcyclohexane 30.64
    cyclooctane 21.68
    cyclopentanol 189.8
    tetrahydropyran 215.51
    tert-amyl methyl ether 98.41
    2,5,8-trioxanonane 308.32
    1-hexene 83.0
    2-isopropoxyethanol 134.51
    2,2,2-trifluoroethanol 103.5
    methyl butyrate 138.68

    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