5-Hexen-3-one

Overview IFRA Request a quote

  • Identifiers

    CAS number
    24253-30-3

    Molecular formula
    C6H10O

    SMILES
    CCC(=O)CC=C

    Safety labels

  • Odor profile

    Fragrance
    Green 69.96%
    Fruity 66.9%
    Pungent 56.54%
    Ethereal 44.47%
    Metallic 35.42%
    Cheesy 35.03%
    Sharp 34.37%
    Radish 33.81%
    Alliaceous 33.33%
    Vegetable 32.4%

     

    Flavor
    Pungent 47.47%
    Garlic 37.74%
    Ethereal 34.23%
    Mustard 33.6%
    Onion 31.31%
    Green 25.41%
    Fishy 24.95%
    Fruity 22.94%
    Vegetable 22.84%
    Mushroom 22.78%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.2

    pKa est.
    8.21 (weak base)

    Molecular weight
    98.14 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    130°C

    Flash point

    • 16.94 ˚C est.

  • Synonyms

    • 5-Hexen-3-one
    • 24253-30-3
    • DTXSID00178950
    • RefChem:102711
    • DTXCID60101441
    • RUJLJMUWUVTHEU-UHFFFAOYSA-N
    • hex-5-en-3-one
    • 5-hexadien-3-one
    • SCHEMBL395513
    • SCHEMBL10766856
    • SCHEMBL11235245
    • AKOS010638241
    • 24253-30-3

  • Applications

    5-Hexen-3-one (CAS 24253-30-3) is primarily used as an organic synthesis intermediate with practical applications across several industries: as a precursor in fragrance and cosmetic ingredient development; as a reactive building block or functional monomer for specialty polymers and coatings; as a crosslinking or derivatization agent in coatings and inks; and as an intermediate in the synthesis of pharmaceutical and other industrial chemicals. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 520.05
    methanol 743.99
    isopropanol 473.9
    water 6.86
    ethyl acetate 344.58
    n-propanol 458.26
    acetone 525.22
    n-butanol 467.32
    acetonitrile 507.77
    DMF 678.41
    toluene 166.02
    isobutanol 400.37
    1,4-dioxane 589.04
    methyl acetate 374.12
    THF 721.19
    2-butanone 473.74
    n-pentanol 383.73
    sec-butanol 493.73
    n-hexane 187.95
    ethylene glycol 161.24
    NMP 876.24
    cyclohexane 115.74
    DMSO 629.59
    n-butyl acetate 360.0
    n-octanol 331.15
    chloroform 970.22
    n-propyl acetate 278.36
    acetic acid 544.5
    dichloromethane 763.0
    cyclohexanone 661.87
    propylene glycol 216.37
    isopropyl acetate 233.44
    DMAc 636.84
    2-ethoxyethanol 375.02
    isopentanol 422.34
    n-heptane 99.89
    ethyl formate 244.16
    1,2-dichloroethane 418.86
    n-hexanol 477.25
    2-methoxyethanol 547.86
    isobutyl acetate 213.21
    tetrachloromethane 228.25
    n-pentyl acetate 276.69
    transcutol 1328.5
    n-heptanol 237.85
    ethylbenzene 156.35
    MIBK 265.78
    2-propoxyethanol 531.59
    tert-butanol 587.7
    MTBE 441.12
    2-butoxyethanol 323.27
    propionic acid 475.79
    o-xylene 169.55
    formic acid 172.73
    diethyl ether 359.48
    m-xylene 159.81
    p-xylene 222.7
    chlorobenzene 317.89
    dimethyl carbonate 115.6
    n-octane 49.48
    formamide 160.23
    cyclopentanone 730.58
    2-pentanone 394.17
    anisole 277.57
    cyclopentyl methyl ether 417.67
    gamma-butyrolactone 733.59
    1-methoxy-2-propanol 464.37
    pyridine 438.39
    3-pentanone 313.16
    furfural 587.87
    n-dodecane 43.61
    diethylene glycol 388.31
    diisopropyl ether 147.76
    tert-amyl alcohol 543.33
    acetylacetone 380.67
    n-hexadecane 47.21
    acetophenone 288.25
    methyl propionate 282.57
    isopentyl acetate 333.37
    trichloroethylene 812.76
    n-nonanol 264.88
    cyclohexanol 427.25
    benzyl alcohol 257.47
    2-ethylhexanol 308.92
    isooctanol 206.82
    dipropyl ether 253.99
    1,2-dichlorobenzene 319.61
    ethyl lactate 171.7
    propylene carbonate 421.13
    n-methylformamide 308.0
    2-pentanol 371.08
    n-pentane 124.21
    1-propoxy-2-propanol 411.04
    1-methoxy-2-propyl acetate 272.57
    2-(2-methoxypropoxy) propanol 357.56
    mesitylene 122.76
    ε-caprolactone 550.62
    p-cymene 132.73
    epichlorohydrin 586.33
    1,1,1-trichloroethane 543.74
    2-aminoethanol 271.08
    morpholine-4-carbaldehyde 663.47
    sulfolane 842.03
    2,2,4-trimethylpentane 81.69
    2-methyltetrahydrofuran 684.21
    n-hexyl acetate 473.89
    isooctane 58.69
    2-(2-butoxyethoxy)ethanol 459.38
    sec-butyl acetate 211.37
    tert-butyl acetate 274.38
    decalin 91.28
    glycerin 286.84
    diglyme 701.33
    acrylic acid 416.87
    isopropyl myristate 180.72
    n-butyric acid 544.85
    acetyl acetate 223.35
    di(2-ethylhexyl) phthalate 172.45
    ethyl propionate 244.13
    nitromethane 625.59
    1,2-diethoxyethane 396.25
    benzonitrile 379.06
    trioctyl phosphate 137.55
    1-bromopropane 380.96
    gamma-valerolactone 718.97
    n-decanol 190.53
    triethyl phosphate 140.61
    4-methyl-2-pentanol 215.88
    propionitrile 384.48
    vinylene carbonate 370.03
    1,1,2-trichlorotrifluoroethane 455.86
    DMS 263.15
    cumene 143.79
    2-octanol 207.16
    2-hexanone 377.04
    octyl acetate 230.99
    limonene 201.42
    1,2-dimethoxyethane 591.43
    ethyl orthosilicate 144.13
    tributyl phosphate 181.55
    diacetone alcohol 345.34
    N,N-dimethylaniline 231.26
    acrylonitrile 442.37
    aniline 248.58
    1,3-propanediol 363.9
    bromobenzene 320.65
    dibromomethane 582.2
    1,1,2,2-tetrachloroethane 691.06
    2-methyl-cyclohexyl acetate 257.16
    tetrabutyl urea 216.19
    diisobutyl methanol 170.29
    2-phenylethanol 268.47
    styrene 190.71
    dioctyl adipate 240.15
    dimethyl sulfate 220.95
    ethyl butyrate 255.4
    methyl lactate 194.13
    butyl lactate 233.74
    diethyl carbonate 174.11
    propanediol butyl ether 376.55
    triethyl orthoformate 185.1
    p-tert-butyltoluene 121.73
    methyl 4-tert-butylbenzoate 273.62
    morpholine 598.77
    tert-butylamine 425.56
    n-dodecanol 145.2
    dimethoxymethane 299.59
    ethylene carbonate 291.46
    cyrene 278.28
    2-ethoxyethyl acetate 294.28
    2-ethylhexyl acetate 264.37
    1,2,4-trichlorobenzene 363.2
    4-methylpyridine 520.61
    dibutyl ether 340.08
    2,6-dimethyl-4-heptanol 170.29
    DEF 462.85
    dimethyl isosorbide 454.72
    tetrachloroethylene 480.22
    eugenol 285.87
    triacetin 368.48
    span 80 336.15
    1,4-butanediol 204.75
    1,1-dichloroethane 543.12
    2-methyl-1-pentanol 381.99
    methyl formate 237.65
    2-methyl-1-butanol 430.68
    n-decane 70.56
    butyronitrile 438.15
    3,7-dimethyl-1-octanol 292.43
    1-chlorooctane 220.53
    1-chlorotetradecane 91.4
    n-nonane 75.58
    undecane 53.37
    tert-butylcyclohexane 108.03
    cyclooctane 48.65
    cyclopentanol 480.65
    tetrahydropyran 569.68
    tert-amyl methyl ether 347.55
    2,5,8-trioxanonane 489.93
    1-hexene 369.7
    2-isopropoxyethanol 314.46
    2,2,2-trifluoroethanol 173.61
    methyl butyrate 343.18

    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