(E,Z)-2,4-Nonadienal

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    21661-99-4

    Molecular formula
    C9H14O

    SMILES
    CCCC/C=C\C=C\C=O

    Retention indicies (RI)

    • DB5: 1192.0
    • Carbowax: 1609.0

  • Odor profile

    Fatty 92.26%
    Green 85.47%
    Fruity 67.55%
    Waxy 64.47%
    Melon 62.54%
    Citrus 62.07%
    Cucumber 59.27%
    Aldehydic 57.74%
    Oily 56.5%
    Vegetable 54.92%

    Scent© AI

  • Properties

    XLogP3-AA
    2.7

    Molecular weight
    138.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    216°C

    Flash point est.
    84.03 ˚C

  • Synonyms

    • (E,Z)-2,4-nonadienal
    • trans,cis-2,4-Nonadienal
    • trans-2,cis-4-Nonadienal
    • (2E,4Z)-2,4-Nonadienal
    • 2,4-Nonadienal, (E,Z)-
    • 21661-99-4
    • 2,4-Nonadienal, (2E,4Z)-
    • 03H9U4J4V9
    • UNII-03H9U4J4V9
    • (2E,4Z)-nona-2,4-dienal
    • E,Z-nona-2,4-dienal
    • SCHEMBL309970
    • (E,Z)-NONA-2,4-DIENA
    • DTXSID801035585
    • Q27247564

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2867.99
    methanol 2751.71
    isopropanol 2072.16
    water 0.08
    ethyl acetate 2473.54
    n-propanol 2155.21
    acetone 4194.33
    n-butanol 1957.14
    acetonitrile 1603.95
    DMF 2606.51
    toluene 803.89
    isobutanol 1391.57
    1,4-dioxane 2176.32
    methyl acetate 1672.17
    THF 3796.53
    2-butanone 2840.67
    n-pentanol 1271.69
    sec-butanol 1569.97
    n-hexane 572.19
    ethylene glycol 290.5
    NMP 1770.85
    cyclohexane 445.03
    DMSO 4501.31
    n-butyl acetate 1896.68
    n-octanol 356.06
    chloroform 2692.97
    n-propyl acetate 1488.71
    acetic acid 1217.79
    dichloromethane 3288.35
    cyclohexanone 2785.73
    propylene glycol 542.21
    isopropyl acetate 1212.31
    DMAc 1202.36
    2-ethoxyethanol 1213.22
    isopentanol 1436.64
    n-heptane 221.03
    ethyl formate 848.29
    1,2-dichloroethane 2854.5
    n-hexanol 1454.68
    2-methoxyethanol 2273.45
    isobutyl acetate 759.07
    tetrachloromethane 465.48
    n-pentyl acetate 661.44
    transcutol 4776.95
    n-heptanol 372.71
    ethylbenzene 387.17
    MIBK 1048.11
    2-propoxyethanol 1712.06
    tert-butanol 2053.8
    MTBE 2059.06
    2-butoxyethanol 653.27
    propionic acid 1239.48
    o-xylene 372.65
    formic acid 230.52
    diethyl ether 2773.98
    m-xylene 528.03
    p-xylene 422.86
    chlorobenzene 910.96
    dimethyl carbonate 368.01
    n-octane 61.92
    formamide 433.53
    cyclopentanone 3113.6
    2-pentanone 2491.04
    anisole 727.64
    cyclopentyl methyl ether 2196.92
    gamma-butyrolactone 2577.93
    1-methoxy-2-propanol 1830.78
    pyridine 2096.37
    3-pentanone 1489.71
    furfural 1421.9
    n-dodecane 33.19
    diethylene glycol 894.16
    diisopropyl ether 630.98
    tert-amyl alcohol 1485.6
    acetylacetone 1685.53
    n-hexadecane 39.3
    acetophenone 619.37
    methyl propionate 1679.72
    isopentyl acetate 1385.18
    trichloroethylene 4027.29
    n-nonanol 298.58
    cyclohexanol 1402.75
    benzyl alcohol 598.02
    2-ethylhexanol 796.69
    isooctanol 307.84
    dipropyl ether 1272.89
    1,2-dichlorobenzene 713.64
    ethyl lactate 360.63
    propylene carbonate 1043.37
    n-methylformamide 1215.14
    2-pentanol 1371.8
    n-pentane 360.66
    1-propoxy-2-propanol 1425.17
    1-methoxy-2-propyl acetate 1217.16
    2-(2-methoxypropoxy) propanol 602.68
    mesitylene 311.17
    ε-caprolactone 1731.67
    p-cymene 230.38
    epichlorohydrin 2939.26
    1,1,1-trichloroethane 2014.42
    2-aminoethanol 767.48
    morpholine-4-carbaldehyde 1532.04
    sulfolane 2865.02
    2,2,4-trimethylpentane 116.14
    2-methyltetrahydrofuran 3313.59
    n-hexyl acetate 851.57
    isooctane 109.79
    2-(2-butoxyethoxy)ethanol 906.09
    sec-butyl acetate 844.19
    tert-butyl acetate 1183.37
    decalin 184.72
    glycerin 526.15
    diglyme 1645.32
    acrylic acid 763.53
    isopropyl myristate 282.2
    n-butyric acid 1887.5
    acetyl acetate 785.05
    di(2-ethylhexyl) phthalate 220.25
    ethyl propionate 1071.47
    nitromethane 2001.53
    1,2-diethoxyethane 1954.44
    benzonitrile 778.32
    trioctyl phosphate 164.35
    1-bromopropane 2085.88
    gamma-valerolactone 2480.26
    n-decanol 216.67
    triethyl phosphate 283.96
    4-methyl-2-pentanol 555.16
    propionitrile 1434.11
    vinylene carbonate 833.62
    1,1,2-trichlorotrifluoroethane 1605.23
    DMS 578.11
    cumene 245.8
    2-octanol 252.48
    2-hexanone 1627.12
    octyl acetate 328.73
    limonene 469.81
    1,2-dimethoxyethane 1965.81
    ethyl orthosilicate 308.97
    tributyl phosphate 240.47
    diacetone alcohol 1189.73
    N,N-dimethylaniline 414.91
    acrylonitrile 1474.31
    aniline 965.3
    1,3-propanediol 1082.23
    bromobenzene 1013.31
    dibromomethane 2513.86
    1,1,2,2-tetrachloroethane 2886.45
    2-methyl-cyclohexyl acetate 572.9
    tetrabutyl urea 307.3
    diisobutyl methanol 421.84
    2-phenylethanol 624.65
    styrene 571.11
    dioctyl adipate 385.78
    dimethyl sulfate 558.39
    ethyl butyrate 1056.7
    methyl lactate 483.86
    butyl lactate 448.62
    diethyl carbonate 498.91
    propanediol butyl ether 600.08
    triethyl orthoformate 552.87
    p-tert-butyltoluene 224.96
    methyl 4-tert-butylbenzoate 382.07
    morpholine 3221.85
    tert-butylamine 1387.62
    n-dodecanol 161.58
    dimethoxymethane 1718.51
    ethylene carbonate 712.39
    cyrene 427.41
    2-ethoxyethyl acetate 882.96
    2-ethylhexyl acetate 996.76
    1,2,4-trichlorobenzene 802.03
    4-methylpyridine 1903.45
    dibutyl ether 897.37
    2,6-dimethyl-4-heptanol 421.84
    DEF 2074.07
    dimethyl isosorbide 960.95
    tetrachloroethylene 1810.63
    eugenol 408.01
    triacetin 586.5
    span 80 540.61
    1,4-butanediol 376.0
    1,1-dichloroethane 2671.28
    2-methyl-1-pentanol 963.87
    methyl formate 698.81
    2-methyl-1-butanol 1328.24
    n-decane 65.76
    butyronitrile 1713.02
    3,7-dimethyl-1-octanol 436.98
    1-chlorooctane 303.13
    1-chlorotetradecane 99.92
    n-nonane 74.78
    undecane 45.01
    tert-butylcyclohexane 184.94
    cyclooctane 137.37
    cyclopentanol 1454.58
    tetrahydropyran 3538.58
    tert-amyl methyl ether 1260.55
    2,5,8-trioxanonane 981.34
    1-hexene 1619.57
    2-isopropoxyethanol 878.7
    2,2,2-trifluoroethanol 229.77
    methyl butyrate 1459.72

    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
Premna serratifolia flower bud Premna serratifolia L. (P.obtusifolia Br.R., P.taitensis Sch.),Verbenaceae 6.2%
Myrtle leaf (Turkey) 2 8008-46-6 Myrtus communis L., fam. Myrtaceae 0.05%