4-Methylpent-3-en-2-ol

Overview IFRA Request a quote

  • Identifiers

    CAS number
    4325-82-0

    Molecular formula
    C6H12O

    SMILES
    CC(C=C(C)C)O

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Fragrance
    Green 86.17%
    Earthy 52.32%
    Herbal 51.82%
    Fruity 47.34%
    Oily 44.48%
    Alcoholic 42.18%
    Fermented 41.48%
    Vegetable 41.23%
    Musty 38.9%
    Sweet 37.81%

     

    Flavor
    Green 73.21%
    Sweet 59.21%
    Fruity 47.43%
    Herbal 42.68%
    Herb 37.77%
    Tropical 35.36%
    Floral 33.74%
    Citrus 33.72%
    Lavender 33.41%
    Oily 32.22%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.4

    pKa est.
    10.31 (weak base)

    Molecular weight
    100.16 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    146°C

    Flash point

    • 45.35 ˚C est.

  • Synonyms

    • 4-methylpent-3-en-2-ol
    • RefChem:525641
    • 803-939-1
    • 4-Methyl-3-penten-2-ol
    • 4325-82-0
    • 3-Penten-2-ol, 4-methyl-,
    • 3-Penten-2-ol, 4-methyl-
    • NSC31262
    • 4-methyl-3-pentene-2-ol
    • 4-methyl-pent-3-en-2-ol
    • SCHEMBL714475
    • SCHEMBL714476
    • SCHEMBL7687917
    • MFCD00039621
    • NSC 31262
    • NSC-31262
    • AKOS006275077
    • DB-051062
    • EN300-171806
    • G34950
    • 4325-82-0

  • Applications

    4-Methylpent-3-en-2-ol (CAS 4325-82-0) is regarded as an organic chemical intermediate for general organic synthesis and functional compounds. In the fragrance and cosmetics industry, it is commonly evaluated as a fragrance intermediate or ingredient providing aroma characteristics, and may be incorporated into cosmetic formulations to contribute odor properties. In the polymer and materials sector, it can serve as a precursor for specialized polymers or be transformed to introduce functionality to plastics. In coatings and inks, it may participate as a reactive intermediate for crosslinking formulations and modifications.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2014.9
    methanol 2454.51
    isopropanol 1463.52
    water 49.02
    ethyl acetate 496.52
    n-propanol 1428.84
    acetone 749.82
    n-butanol 1356.24
    acetonitrile 645.74
    DMF 520.35
    toluene 161.36
    isobutanol 927.65
    1,4-dioxane 1101.47
    methyl acetate 501.27
    THF 1586.72
    2-butanone 554.42
    n-pentanol 688.99
    sec-butanol 1195.41
    n-hexane 499.48
    ethylene glycol 564.21
    NMP 667.14
    cyclohexane 416.74
    DMSO 430.62
    n-butyl acetate 463.49
    n-octanol 531.03
    chloroform 781.83
    n-propyl acetate 266.68
    acetic acid 1384.32
    dichloromethane 484.78
    cyclohexanone 735.59
    propylene glycol 730.97
    isopropyl acetate 289.23
    DMAc 445.14
    2-ethoxyethanol 631.26
    isopentanol 810.79
    n-heptane 455.05
    ethyl formate 348.73
    1,2-dichloroethane 316.93
    n-hexanol 1472.86
    2-methoxyethanol 1181.1
    isobutyl acetate 182.7
    tetrachloromethane 257.76
    n-pentyl acetate 275.76
    transcutol 1237.85
    n-heptanol 513.92
    ethylbenzene 94.99
    MIBK 282.97
    2-propoxyethanol 1221.93
    tert-butanol 1393.4
    MTBE 802.68
    2-butoxyethanol 570.93
    propionic acid 902.72
    o-xylene 130.2
    formic acid 640.28
    diethyl ether 940.75
    m-xylene 142.39
    p-xylene 125.36
    chlorobenzene 185.15
    dimethyl carbonate 119.24
    n-octane 107.22
    formamide 351.46
    cyclopentanone 682.95
    2-pentanone 526.88
    anisole 187.76
    cyclopentyl methyl ether 744.96
    gamma-butyrolactone 700.68
    1-methoxy-2-propanol 792.66
    pyridine 378.22
    3-pentanone 360.82
    furfural 446.44
    n-dodecane 68.53
    diethylene glycol 802.06
    diisopropyl ether 285.8
    tert-amyl alcohol 1055.94
    acetylacetone 323.9
    n-hexadecane 72.0
    acetophenone 148.44
    methyl propionate 349.7
    isopentyl acetate 367.51
    trichloroethylene 441.37
    n-nonanol 425.32
    cyclohexanol 1000.27
    benzyl alcohol 202.95
    2-ethylhexanol 668.22
    isooctanol 331.53
    dipropyl ether 637.17
    1,2-dichlorobenzene 153.63
    ethyl lactate 160.03
    propylene carbonate 395.93
    n-methylformamide 444.19
    2-pentanol 904.47
    n-pentane 504.85
    1-propoxy-2-propanol 827.14
    1-methoxy-2-propyl acetate 334.86
    2-(2-methoxypropoxy) propanol 357.17
    mesitylene 98.81
    ε-caprolactone 623.89
    p-cymene 120.97
    epichlorohydrin 571.72
    1,1,1-trichloroethane 424.81
    2-aminoethanol 904.97
    morpholine-4-carbaldehyde 640.81
    sulfolane 590.61
    2,2,4-trimethylpentane 151.25
    2-methyltetrahydrofuran 1170.13
    n-hexyl acetate 501.53
    isooctane 114.14
    2-(2-butoxyethoxy)ethanol 560.91
    sec-butyl acetate 181.66
    tert-butyl acetate 334.68
    decalin 111.96
    glycerin 758.52
    diglyme 701.53
    acrylic acid 611.74
    isopropyl myristate 185.8
    n-butyric acid 939.66
    acetyl acetate 262.88
    di(2-ethylhexyl) phthalate 152.1
    ethyl propionate 222.76
    nitromethane 741.46
    1,2-diethoxyethane 422.99
    benzonitrile 214.05
    trioctyl phosphate 140.57
    1-bromopropane 403.29
    gamma-valerolactone 772.3
    n-decanol 304.57
    triethyl phosphate 118.29
    4-methyl-2-pentanol 383.11
    propionitrile 505.9
    vinylene carbonate 301.69
    1,1,2-trichlorotrifluoroethane 481.33
    DMS 196.64
    cumene 85.65
    2-octanol 332.01
    2-hexanone 351.38
    octyl acetate 253.82
    limonene 266.61
    1,2-dimethoxyethane 711.5
    ethyl orthosilicate 135.81
    tributyl phosphate 157.25
    diacetone alcohol 420.83
    N,N-dimethylaniline 137.56
    acrylonitrile 383.54
    aniline 276.83
    1,3-propanediol 999.69
    bromobenzene 148.05
    dibromomethane 450.48
    1,1,2,2-tetrachloroethane 429.86
    2-methyl-cyclohexyl acetate 235.94
    tetrabutyl urea 190.98
    diisobutyl methanol 267.55
    2-phenylethanol 305.1
    styrene 100.83
    dioctyl adipate 208.36
    dimethyl sulfate 137.96
    ethyl butyrate 258.28
    methyl lactate 227.04
    butyl lactate 234.62
    diethyl carbonate 150.36
    propanediol butyl ether 511.3
    triethyl orthoformate 203.31
    p-tert-butyltoluene 127.97
    methyl 4-tert-butylbenzoate 231.74
    morpholine 1260.23
    tert-butylamine 1020.58
    n-dodecanol 229.56
    dimethoxymethane 423.56
    ethylene carbonate 291.85
    cyrene 239.4
    2-ethoxyethyl acetate 281.48
    2-ethylhexyl acetate 298.54
    1,2,4-trichlorobenzene 187.03
    4-methylpyridine 358.13
    dibutyl ether 416.79
    2,6-dimethyl-4-heptanol 267.55
    DEF 416.14
    dimethyl isosorbide 457.05
    tetrachloroethylene 345.4
    eugenol 230.01
    triacetin 268.6
    span 80 431.78
    1,4-butanediol 396.13
    1,1-dichloroethane 434.61
    2-methyl-1-pentanol 483.1
    methyl formate 307.65
    2-methyl-1-butanol 854.86
    n-decane 122.04
    butyronitrile 589.46
    3,7-dimethyl-1-octanol 403.52
    1-chlorooctane 266.26
    1-chlorotetradecane 112.58
    n-nonane 139.38
    undecane 86.81
    tert-butylcyclohexane 139.25
    cyclooctane 146.71
    cyclopentanol 957.36
    tetrahydropyran 1318.78
    tert-amyl methyl ether 581.58
    2,5,8-trioxanonane 477.56
    1-hexene 637.34
    2-isopropoxyethanol 430.91
    2,2,2-trifluoroethanol 390.21
    methyl butyrate 284.67

    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