Undecalactone

Overview IFRA Request a quote

  • Identifiers

    CAS number
    1725-03-7

    Molecular formula
    C11H20O2

    SMILES
    C1CCCCCOC(=O)CCCC1

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Musk 86.38%
    Sweet 80.76%
    Fruity 63.7%
    Animal 62.91%
    Waxy 55.32%
    Powdery 53.1%
    Amber 46.67%
    Fatty 44.78%
    Floral 43.12%
    Oily 42.15%

    Scent© AI

  • Properties

    XLogP3-AA
    3.6

    Molecular weight
    184.27 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    275°C

    Flash point est.
    126.26 ˚C

  • Synonyms

    • Oxacyclododecan-2-one
    • 1725-03-7
    • undecalactone
    • 11-Undecanolactone
    • 1-oxacyclododecan-2-one
    • 39282-36-5
    • 11-Hydroxyundecanoic acid, lactone
    • Undecanoic acid, hydroxy-, lactone
    • 4E2392MT4H
    • EINECS 217-034-9
    • EINECS 254-399-3
    • AI3-37206
    • undecanolide
    • 1-Oxa-2-cyclododecanone
    • 11-Hydroxyundecanoic acid lactone
    • UNII-4E2392MT4H
    • Oxacyclododecan-2-one, 98%
    • SCHEMBL368224
    • DTXSID4061915
    • CHEBI:34136
    • DTXSID701014918
    • LMFA07040001
    • AKOS024391050
    • 34817-44-2
    • DB-226307
    • NS00013316
    • Q27115838
    • 217-034-9
    • Aldambre

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1539.17
    methanol 1491.73
    isopropanol 1461.19
    water 0.15
    ethyl acetate 1385.81
    n-propanol 1436.36
    acetone 2223.2
    n-butanol 1111.93
    acetonitrile 1615.27
    DMF 2759.23
    toluene 1364.02
    isobutanol 1061.55
    1,4-dioxane 1905.22
    methyl acetate 1220.0
    THF 3148.77
    2-butanone 1663.28
    n-pentanol 769.05
    sec-butanol 1233.49
    n-hexane 298.71
    ethylene glycol 231.55
    NMP 2165.76
    cyclohexane 607.2
    DMSO 3390.13
    n-butyl acetate 1269.94
    n-octanol 546.31
    chloroform 5753.15
    n-propyl acetate 1074.29
    acetic acid 1443.2
    dichloromethane 5099.69
    cyclohexanone 2832.29
    propylene glycol 458.4
    isopropyl acetate 906.49
    DMAc 1450.87
    2-ethoxyethanol 756.25
    isopentanol 914.42
    n-heptane 213.02
    ethyl formate 1117.57
    1,2-dichloroethane 2761.86
    n-hexanol 804.39
    2-methoxyethanol 1269.72
    isobutyl acetate 647.8
    tetrachloromethane 773.89
    n-pentyl acetate 989.3
    transcutol 2736.04
    n-heptanol 451.72
    ethylbenzene 633.94
    MIBK 786.61
    2-propoxyethanol 914.45
    tert-butanol 1325.55
    MTBE 994.12
    2-butoxyethanol 722.72
    propionic acid 1440.03
    o-xylene 674.94
    formic acid 311.18
    diethyl ether 1102.07
    m-xylene 716.45
    p-xylene 766.72
    chlorobenzene 1962.4
    dimethyl carbonate 453.06
    n-octane 92.81
    formamide 592.57
    cyclopentanone 3275.59
    2-pentanone 1393.91
    anisole 954.34
    cyclopentyl methyl ether 1478.74
    gamma-butyrolactone 3542.44
    1-methoxy-2-propanol 1076.39
    pyridine 3323.01
    3-pentanone 1012.8
    furfural 2770.61
    n-dodecane 63.67
    diethylene glycol 565.75
    diisopropyl ether 352.55
    tert-amyl alcohol 1072.34
    acetylacetone 1407.02
    n-hexadecane 74.97
    acetophenone 982.37
    methyl propionate 1053.6
    isopentyl acetate 974.31
    trichloroethylene 5415.12
    n-nonanol 440.11
    cyclohexanol 1463.75
    benzyl alcohol 842.95
    2-ethylhexanol 507.35
    isooctanol 380.89
    dipropyl ether 766.4
    1,2-dichlorobenzene 1563.53
    ethyl lactate 421.0
    propylene carbonate 1903.94
    n-methylformamide 1480.4
    2-pentanol 848.94
    n-pentane 260.23
    1-propoxy-2-propanol 871.48
    1-methoxy-2-propyl acetate 834.09
    2-(2-methoxypropoxy) propanol 576.64
    mesitylene 429.24
    ε-caprolactone 2161.07
    p-cymene 356.06
    epichlorohydrin 3074.2
    1,1,1-trichloroethane 2401.07
    2-aminoethanol 597.76
    morpholine-4-carbaldehyde 1801.69
    sulfolane 3740.38
    2,2,4-trimethylpentane 98.61
    2-methyltetrahydrofuran 2275.27
    n-hexyl acetate 1223.19
    isooctane 81.75
    2-(2-butoxyethoxy)ethanol 879.25
    sec-butyl acetate 647.15
    tert-butyl acetate 805.74
    decalin 202.47
    glycerin 503.69
    diglyme 1621.34
    acrylic acid 1253.63
    isopropyl myristate 409.17
    n-butyric acid 1925.96
    acetyl acetate 867.67
    di(2-ethylhexyl) phthalate 347.2
    ethyl propionate 845.0
    nitromethane 2152.53
    1,2-diethoxyethane 1045.7
    benzonitrile 1661.6
    trioctyl phosphate 282.1
    1-bromopropane 1800.25
    gamma-valerolactone 3005.72
    n-decanol 304.22
    triethyl phosphate 338.44
    4-methyl-2-pentanol 435.92
    propionitrile 1476.2
    vinylene carbonate 1791.78
    1,1,2-trichlorotrifluoroethane 1816.77
    DMS 732.26
    cumene 363.38
    2-octanol 383.7
    2-hexanone 1004.65
    octyl acetate 529.02
    limonene 531.52
    1,2-dimethoxyethane 1483.92
    ethyl orthosilicate 315.83
    tributyl phosphate 362.61
    diacetone alcohol 815.66
    N,N-dimethylaniline 591.96
    acrylonitrile 1919.25
    aniline 1341.87
    1,3-propanediol 816.63
    bromobenzene 2303.62
    dibromomethane 3652.41
    1,1,2,2-tetrachloroethane 4086.49
    2-methyl-cyclohexyl acetate 599.2
    tetrabutyl urea 473.36
    diisobutyl methanol 346.95
    2-phenylethanol 669.57
    styrene 941.82
    dioctyl adipate 582.85
    dimethyl sulfate 751.77
    ethyl butyrate 846.76
    methyl lactate 534.33
    butyl lactate 669.93
    diethyl carbonate 541.58
    propanediol butyl ether 786.65
    triethyl orthoformate 557.13
    p-tert-butyltoluene 319.27
    methyl 4-tert-butylbenzoate 720.73
    morpholine 2331.54
    tert-butylamine 926.1
    n-dodecanol 222.59
    dimethoxymethane 1073.99
    ethylene carbonate 1510.73
    cyrene 569.12
    2-ethoxyethyl acetate 955.8
    2-ethylhexyl acetate 768.13
    1,2,4-trichlorobenzene 1731.55
    4-methylpyridine 2770.98
    dibutyl ether 817.66
    2,6-dimethyl-4-heptanol 346.95
    DEF 1440.21
    dimethyl isosorbide 977.89
    tetrachloroethylene 2700.63
    eugenol 638.21
    triacetin 949.33
    span 80 688.58
    1,4-butanediol 356.36
    1,1-dichloroethane 2985.9
    2-methyl-1-pentanol 633.21
    methyl formate 1009.02
    2-methyl-1-butanol 856.3
    n-decane 117.85
    butyronitrile 1567.19
    3,7-dimethyl-1-octanol 504.75
    1-chlorooctane 511.0
    1-chlorotetradecane 166.94
    n-nonane 129.65
    undecane 82.84
    tert-butylcyclohexane 160.07
    cyclooctane 173.62
    cyclopentanol 1701.09
    tetrahydropyran 2571.25
    tert-amyl methyl ether 711.03
    2,5,8-trioxanonane 956.43
    1-hexene 868.33
    2-isopropoxyethanol 581.93
    2,2,2-trifluoroethanol 426.97
    methyl butyrate 1302.07

    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