4-Penten-1-ol

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    821-09-0

    Molecular formula
    C5H10O

    SMILES
    C=CCCCO

    Safety labels

    Flammable
    Flammable

    Retention indicies (RI)

    • Carbowax: 1303.0

  • Odor profile

    Green 82.76%
    Fruity 78.75%
    Pungent 54.07%
    Ethereal 43.0%
    Vegetable 41.97%
    Fermented 41.47%
    Cheesy 39.99%
    Fresh 38.48%
    Herbal 37.78%
    Sharp 37.46%

    Scent© AI

  • Properties

    XLogP3-AA
    1.0

    Molecular weight
    86.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    140°C

    Flash point est.
    44.03 ˚C

  • Synonyms

    • 4-PENTEN-1-OL
    • Pent-4-en-1-ol
    • 821-09-0
    • 4-Pentenol
    • 4-Pentenyl alcohol
    • 2-Allylethyl alcohol
    • 4-Pentenol-1
    • 4-Pentene-1-ol
    • UNII-W0558TQC6F
    • 1-penten-5-ol
    • W0558TQC6F
    • 1-hydroxy-4-pentene
    • EINECS 212-473-2
    • MFCD00002975
    • NSC-97503
    • CH2=CHCH2CH2CH2OH
    • AI3-28608
    • 5-HYDROXY-1-PENTENE-
    • LQAVWYMTUMSFBE-UHFFFAOYSA-
    • DTXSID30231562
    • NSC 97503
    • 5-hydroxy-1-pentene
    • 5-Hydroxy-1-pentene; 4-Pentenyl Alcohol; 4-Pentenol; NSC 97503;
    • 4Pentenol1
    • Pent4en1ol
    • 4-penten-1ol
    • 4penten-1-ol
    • NSC97503
    • 4-Penten-1-ol, 99%
    • DTXCID60154053
    • AKOS009156637
    • CS-W011355
    • FP26820
    • HY-W010639
    • SB83778
    • DB-008422
    • NS00022815
    • P1243
    • 4-Penten-1-ol, purum, >=97.0% (GC)
    • EN300-83252
    • A840248
    • 5-Hydroxy-1-pentene;4-Pentenyl alcohol;4-Pentenol
    • Q27292125

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 729.11
    methanol 1085.84
    isopropanol 539.11
    water 12.02
    ethyl acetate 134.47
    n-propanol 556.35
    acetone 257.13
    n-butanol 518.42
    acetonitrile 154.14
    DMF 442.73
    toluene 34.76
    isobutanol 368.67
    1,4-dioxane 298.51
    methyl acetate 152.17
    THF 472.36
    2-butanone 175.75
    n-pentanol 278.6
    sec-butanol 388.38
    n-hexane 36.22
    ethylene glycol 311.01
    NMP 325.33
    cyclohexane 36.7
    DMSO 604.16
    n-butyl acetate 216.81
    n-octanol 124.68
    chloroform 230.84
    n-propyl acetate 122.81
    acetic acid 517.26
    dichloromethane 153.35
    cyclohexanone 273.57
    propylene glycol 323.55
    isopropyl acetate 79.27
    DMAc 217.86
    2-ethoxyethanol 293.78
    isopentanol 328.72
    n-heptane 55.68
    ethyl formate 134.62
    1,2-dichloroethane 105.54
    n-hexanol 440.57
    2-methoxyethanol 554.48
    isobutyl acetate 84.65
    tetrachloromethane 72.84
    n-pentyl acetate 89.62
    transcutol 566.56
    n-heptanol 156.21
    ethylbenzene 25.44
    MIBK 98.91
    2-propoxyethanol 478.08
    tert-butanol 528.62
    MTBE 174.4
    2-butoxyethanol 228.8
    propionic acid 396.29
    o-xylene 36.29
    formic acid 241.67
    diethyl ether 132.94
    m-xylene 36.68
    p-xylene 36.7
    chlorobenzene 69.43
    dimethyl carbonate 41.38
    n-octane 15.54
    formamide 180.93
    cyclopentanone 311.26
    2-pentanone 152.3
    anisole 73.24
    cyclopentyl methyl ether 187.94
    gamma-butyrolactone 331.96
    1-methoxy-2-propanol 380.26
    pyridine 170.79
    3-pentanone 87.44
    furfural 279.82
    n-dodecane 11.33
    diethylene glycol 385.27
    diisopropyl ether 45.42
    tert-amyl alcohol 324.93
    acetylacetone 124.42
    n-hexadecane 11.82
    acetophenone 75.35
    methyl propionate 114.64
    isopentyl acetate 159.69
    trichloroethylene 199.44
    n-nonanol 101.69
    cyclohexanol 299.03
    benzyl alcohol 101.83
    2-ethylhexanol 214.12
    isooctanol 114.66
    dipropyl ether 173.64
    1,2-dichlorobenzene 65.44
    ethyl lactate 86.11
    propylene carbonate 159.97
    n-methylformamide 285.9
    2-pentanol 281.93
    n-pentane 34.66
    1-propoxy-2-propanol 360.89
    1-methoxy-2-propyl acetate 140.38
    2-(2-methoxypropoxy) propanol 170.31
    mesitylene 29.41
    ε-caprolactone 211.34
    p-cymene 41.39
    epichlorohydrin 235.44
    1,1,1-trichloroethane 111.48
    2-aminoethanol 468.54
    morpholine-4-carbaldehyde 310.33
    sulfolane 390.73
    2,2,4-trimethylpentane 21.24
    2-methyltetrahydrofuran 314.62
    n-hexyl acetate 119.24
    isooctane 20.38
    2-(2-butoxyethoxy)ethanol 241.22
    sec-butyl acetate 68.51
    tert-butyl acetate 92.26
    decalin 19.23
    glycerin 378.3
    diglyme 353.69
    acrylic acid 298.81
    isopropyl myristate 50.91
    n-butyric acid 415.21
    acetyl acetate 75.02
    di(2-ethylhexyl) phthalate 61.05
    ethyl propionate 80.05
    nitromethane 343.29
    1,2-diethoxyethane 158.5
    benzonitrile 104.87
    trioctyl phosphate 54.6
    1-bromopropane 89.9
    gamma-valerolactone 347.12
    n-decanol 76.76
    triethyl phosphate 54.19
    4-methyl-2-pentanol 131.83
    propionitrile 167.47
    vinylene carbonate 147.25
    1,1,2-trichlorotrifluoroethane 270.78
    DMS 69.02
    cumene 26.93
    2-octanol 85.66
    2-hexanone 131.04
    octyl acetate 67.97
    limonene 71.55
    1,2-dimethoxyethane 310.98
    ethyl orthosilicate 57.26
    tributyl phosphate 59.87
    diacetone alcohol 180.14
    N,N-dimethylaniline 58.94
    acrylonitrile 186.64
    aniline 108.38
    1,3-propanediol 526.06
    bromobenzene 52.95
    dibromomethane 118.29
    1,1,2,2-tetrachloroethane 183.56
    2-methyl-cyclohexyl acetate 95.68
    tetrabutyl urea 80.35
    diisobutyl methanol 98.43
    2-phenylethanol 128.63
    styrene 32.28
    dioctyl adipate 72.57
    dimethyl sulfate 77.49
    ethyl butyrate 128.78
    methyl lactate 113.05
    butyl lactate 105.1
    diethyl carbonate 71.25
    propanediol butyl ether 218.13
    triethyl orthoformate 95.13
    p-tert-butyltoluene 41.6
    methyl 4-tert-butylbenzoate 91.15
    morpholine 394.58
    tert-butylamine 312.81
    n-dodecanol 60.47
    dimethoxymethane 177.47
    ethylene carbonate 120.28
    cyrene 135.87
    2-ethoxyethyl acetate 102.19
    2-ethylhexyl acetate 117.14
    1,2,4-trichlorobenzene 73.76
    4-methylpyridine 150.54
    dibutyl ether 93.18
    2,6-dimethyl-4-heptanol 98.43
    DEF 174.18
    dimethyl isosorbide 213.25
    tetrachloroethylene 158.31
    eugenol 117.44
    triacetin 99.67
    span 80 184.01
    1,4-butanediol 211.73
    1,1-dichloroethane 121.47
    2-methyl-1-pentanol 191.3
    methyl formate 163.57
    2-methyl-1-butanol 304.33
    n-decane 17.6
    butyronitrile 203.63
    3,7-dimethyl-1-octanol 109.9
    1-chlorooctane 52.68
    1-chlorotetradecane 24.03
    n-nonane 17.8
    undecane 13.59
    tert-butylcyclohexane 23.97
    cyclooctane 13.47
    cyclopentanol 384.84
    tetrahydropyran 315.18
    tert-amyl methyl ether 119.09
    2,5,8-trioxanonane 268.86
    1-hexene 92.02
    2-isopropoxyethanol 187.69
    2,2,2-trifluoroethanol 129.28
    methyl butyrate 131.94

    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

Botanical

Name CAS Botanical Proportion
Jasmine rose absolute (India) Gardenia jasminoides Ellis, fam. Rubiaceae 1.02%