1-Undecene

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    821-95-4

    Molecular formula
    C11H22

    SMILES
    CCCCCCCCCC=C

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Gassy 49.69%
    Citrus 45.11%
    Waxy 43.16%
    Sweet 41.51%
    Fresh 27.15%
    Herbal 26.97%
    Fatty 25.45%
    Oily 22.93%
    Clean 21.65%
    Fishy 21.47%

    Scent© AI

  • Properties

    XLogP3-AA
    6.2

    Molecular weight
    154.29 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately fast

    Melting point expt.

    • -56 °F (USCG, 1999)
    • -49.2 °C
    • -49.1 °C

    Boiling point

    • 378.9 °F at 760 mmHg (USCG, 1999)
    • 192.7 °C @ 760 mm Hg
    • 192.00 to 193.00 °C. @ 760.00 mm Hg

    Flash point est.
    64.03 ˚C

    Flash point expt.

    • 160 °F (USCG, 1999)
    • 71 °C
    • 160 °F OC

    Solubility expt.

    • Sol in ether, chloroform, ligroin; insol in water

  • Synonyms

    • 1-UNDECENE
    • 821-95-4
    • Undec-1-ene
    • n-1-Undecene
    • 1-Hendecene
    • alpha-Undecene
    • alpha-Undecylene
    • alpha-Nonylethylene
    • Undecene-1
    • CCRIS 5720
    • HSDB 1090
    • .alpha.-Undecene
    • EINECS 212-483-7
    • NSC 73983
    • UNII-1446756A8F
    • NSC-73983
    • 1446756A8F
    • DTXSID5061168
    • CHEBI:77444
    • Hendecene
    • 1-Undecene, 97%
    • MFCD00008956
    • N-NONYLETHYLENE
    • .ALPHA.-UNDECYLENE
    • 1-UNDECENE [HSDB]
    • .ALPHA.-NONYLETHYLENE
    • DTXCID0048268
    • NSC73983
    • EINECS 271-214-1
    • LMFA11000332
    • STL453737
    • AKOS009156849
    • LS-14020
    • DB-056580
    • NS00038169
    • U0025
    • U0052
    • D92764
    • EC 271-214-1
    • Q14745306
    • 212-483-7

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 4303.43
    methanol 1733.53
    isopropanol 5859.76
    water 0.01
    ethyl acetate 9918.55
    n-propanol 5029.05
    acetone 8913.47
    n-butanol 7234.12
    acetonitrile 2991.61
    DMF 2985.35
    toluene 5469.64
    isobutanol 4587.9
    1,4-dioxane 10869.39
    methyl acetate 4503.18
    THF 22714.61
    2-butanone 8715.89
    n-pentanol 4897.8
    sec-butanol 6833.82
    n-hexane 17949.19
    ethylene glycol 125.18
    NMP 2424.03
    cyclohexane 20311.48
    DMSO 4996.24
    n-butyl acetate 23277.95
    n-octanol 2975.79
    chloroform 9619.66
    n-propyl acetate 7686.66
    acetic acid 1171.33
    dichloromethane 10104.39
    cyclohexanone 11553.13
    propylene glycol 394.56
    isopropyl acetate 7484.01
    DMAc 2280.64
    2-ethoxyethanol 2781.63
    isopentanol 7342.85
    n-heptane 23488.4
    ethyl formate 2327.11
    1,2-dichloroethane 9600.63
    n-hexanol 12007.73
    2-methoxyethanol 3550.49
    isobutyl acetate 4515.52
    tetrachloromethane 2830.56
    n-pentyl acetate 5918.7
    transcutol 12039.45
    n-heptanol 3206.01
    ethylbenzene 3095.5
    MIBK 6960.99
    2-propoxyethanol 7565.4
    tert-butanol 10363.2
    MTBE 19120.09
    2-butoxyethanol 3079.86
    propionic acid 1567.6
    o-xylene 2434.04
    formic acid 70.13
    diethyl ether 25431.48
    m-xylene 3187.07
    p-xylene 3203.31
    chlorobenzene 3454.85
    dimethyl carbonate 667.13
    n-octane 4047.58
    formamide 150.2
    cyclopentanone 8477.72
    2-pentanone 11476.29
    anisole 3110.36
    cyclopentyl methyl ether 14310.2
    gamma-butyrolactone 4916.49
    1-methoxy-2-propanol 4170.47
    pyridine 7353.82
    3-pentanone 6628.0
    furfural 2422.98
    n-dodecane 1186.12
    diethylene glycol 1413.85
    diisopropyl ether 9948.46
    tert-amyl alcohol 8383.41
    acetylacetone 5422.95
    n-hexadecane 1418.02
    acetophenone 1836.74
    methyl propionate 4181.31
    isopentyl acetate 14671.67
    trichloroethylene 8953.73
    n-nonanol 2755.85
    cyclohexanol 7431.38
    benzyl alcohol 1371.65
    2-ethylhexanol 12154.28
    isooctanol 3031.68
    dipropyl ether 37657.19
    1,2-dichlorobenzene 2406.54
    ethyl lactate 944.01
    propylene carbonate 2839.85
    n-methylformamide 917.33
    2-pentanol 8054.75
    n-pentane 11671.73
    1-propoxy-2-propanol 10587.35
    1-methoxy-2-propyl acetate 7337.02
    2-(2-methoxypropoxy) propanol 1847.94
    mesitylene 2355.77
    ε-caprolactone 7283.88
    p-cymene 3603.2
    epichlorohydrin 8020.02
    1,1,1-trichloroethane 9789.08
    2-aminoethanol 493.79
    morpholine-4-carbaldehyde 2939.81
    sulfolane 4647.42
    2,2,4-trimethylpentane 2626.8
    2-methyltetrahydrofuran 22416.18
    n-hexyl acetate 6442.67
    isooctane 2867.42
    2-(2-butoxyethoxy)ethanol 3223.38
    sec-butyl acetate 5514.56
    tert-butyl acetate 8322.96
    decalin 3872.5
    glycerin 349.07
    diglyme 6951.88
    acrylic acid 633.5
    isopropyl myristate 2519.85
    n-butyric acid 5345.34
    acetyl acetate 2928.94
    di(2-ethylhexyl) phthalate 860.68
    ethyl propionate 5792.41
    nitromethane 1926.65
    1,2-diethoxyethane 17855.99
    benzonitrile 2359.41
    trioctyl phosphate 945.15
    1-bromopropane 17146.0
    gamma-valerolactone 6307.27
    n-decanol 1999.28
    triethyl phosphate 2047.78
    4-methyl-2-pentanol 4379.88
    propionitrile 4492.55
    vinylene carbonate 1640.36
    1,1,2-trichlorotrifluoroethane 2401.91
    DMS 1592.69
    cumene 1805.57
    2-octanol 2599.75
    2-hexanone 9258.95
    octyl acetate 2546.4
    limonene 8965.25
    1,2-dimethoxyethane 9976.74
    ethyl orthosilicate 2689.69
    tributyl phosphate 1377.01
    diacetone alcohol 4492.4
    N,N-dimethylaniline 1935.65
    acrylonitrile 2591.1
    aniline 2922.91
    1,3-propanediol 1350.51
    bromobenzene 4505.9
    dibromomethane 10959.19
    1,1,2,2-tetrachloroethane 8166.61
    2-methyl-cyclohexyl acetate 4748.89
    tetrabutyl urea 1734.52
    diisobutyl methanol 6855.53
    2-phenylethanol 2672.03
    styrene 3593.72
    dioctyl adipate 2142.53
    dimethyl sulfate 747.93
    ethyl butyrate 14282.57
    methyl lactate 674.47
    butyl lactate 2117.39
    diethyl carbonate 4604.65
    propanediol butyl ether 1413.94
    triethyl orthoformate 7500.05
    p-tert-butyltoluene 3523.55
    methyl 4-tert-butylbenzoate 1436.62
    morpholine 13325.83
    tert-butylamine 11164.64
    n-dodecanol 1609.95
    dimethoxymethane 4658.77
    ethylene carbonate 2101.33
    cyrene 877.52
    2-ethoxyethyl acetate 4422.3
    2-ethylhexyl acetate 12961.9
    1,2,4-trichlorobenzene 2295.81
    4-methylpyridine 7326.03
    dibutyl ether 18976.09
    2,6-dimethyl-4-heptanol 6855.53
    DEF 6778.96
    dimethyl isosorbide 3240.31
    tetrachloroethylene 5205.89
    eugenol 1048.77
    triacetin 2059.18
    span 80 2115.36
    1,4-butanediol 429.44
    1,1-dichloroethane 10974.94
    2-methyl-1-pentanol 4754.11
    methyl formate 601.32
    2-methyl-1-butanol 5797.22
    n-decane 2881.41
    butyronitrile 8327.59
    3,7-dimethyl-1-octanol 4496.12
    1-chlorooctane 5213.56
    1-chlorotetradecane 1542.69
    n-nonane 3908.76
    undecane 1722.5
    tert-butylcyclohexane 3421.17
    cyclooctane 6706.75
    cyclopentanol 4965.22
    tetrahydropyran 29574.99
    tert-amyl methyl ether 11441.38
    2,5,8-trioxanonane 3152.85
    1-hexene 25212.18
    2-isopropoxyethanol 2713.51
    2,2,2-trifluoroethanol 160.0
    methyl butyrate 7441.26

    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
Styrax (China) 8024-01-9 Liquidamber formosana Hance, fam. Hamamelidaceae 0.1%
Pectis elongata Pectis elongata Kunth, fam. Asteraceae (Compositae) 0.75%
Machilus bombycina Machilus bombicyna King, fam. Lauraceae 0.5%
Vitex agnus-castus inflorescence (Italy) Vitex agnus-castus L., fam. Verbenaceae 0.1%