Decanal dimethyl acetal

Overview IFRA Request a quote

  • Identifiers

    CAS number
    7779-41-1

    Molecular formula
    C12H26O2

    SMILES
    CCCCCCCCCC(OC)OC

    Safety labels

    Irritant
    Irritant

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Citrus 78.08%
    Green 77.49%
    Fresh 67.13%
    Waxy 65.54%
    Floral 63.64%
    Fruity 57.74%
    Fatty 55.24%
    Orange 51.05%
    Rose 46.92%
    Herbal 46.69%

     

    Flavor
    Waxy 60.58%
    Green 52.27%
    Floral 50.52%
    Fruity 47.96%
    Oily 39.1%
    Rose 38.05%
    Mushroom 37.89%
    Clean 37.18%
    Soapy 35.36%
    Fatty 34.97%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    4.6

    pKa est.
    7.6 (neutral)

    Molecular weight
    202.33 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point

    • 218.00 °C. @ 760.00 mm Hg

    Flash point

    • 88.05 ˚C est.

    Solubility expt.

    • very slightly
    • insoluble in water; soluble in organic solvents, oils
    • miscible at room temperature (in ethanol)

  • Synonyms

    • 1,1-Dimethoxydecane
    • Decanal dimethyl acetal
    • 7779-41-1
    • Decane, 1,1-dimethoxy-
    • Decylaldehyde DMA
    • Decanal, dimethyl acetal
    • Decylaldehyde dimethyl acetal
    • Capraldehyde dimethyl acetal
    • Aldehyde C-10 dimethylacetal
    • 10,10-Dimethoxydecane
    • DECANAL, DIMETHYLACETAL
    • FEMA No. 2363
    • 9JJ0AU8EKL
    • EINECS 231-928-6
    • NSC 46132
    • BRN 4242149
    • AI3-36022
    • n-Decanal dimethyl acetal
    • NSC-46132
    • Decylaldehyde dimethylacetal
    • DTXSID3064803
    • Decanal, dimethyl acetal (8CI)
    • DECANAL DIMETHYL ACETAL [FHFI]
    • Dimethyl Acetal Decanal; NSC 46132
    • UNII-9JJ0AU8EKL
    • Decane,1-dimethoxy-
    • 1,1-Dimethoxy-Decane
    • SCHEMBL531066
    • DTXCID0048002
    • FEMA 2363
    • CHEBI:178468
    • Decanal dimethyl acetal, >=98%
    • NSC46132
    • AKOS015901961
    • DB-230165
    • NS00012191
    • G72695
    • Q27272633
    • 231-928-6

  • Applications

    Decanal dimethyl acetal (CAS 7779-41-1) is primarily used as an aldehyde protecting group in organic synthesis, enabling sequential transformations while preserving the decanal functionality. It also serves as a chemical intermediate and building block in the synthesis of long-chain fragrance and flavor compounds, where controlled handling of decanal is desirable. Under acidic conditions it can hydrolyze to release decanal, providing a protected decanal source in process workflows. Additionally, it can function as a specialty building block in the preparation of fragrance-related materials, subject to formulation limits and regulatory considerations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 6148.16
    methanol 4371.24
    isopropanol 6985.19
    water 0.12
    ethyl acetate 11974.51
    n-propanol 6654.42
    acetone 9456.34
    n-butanol 7218.5
    acetonitrile 7165.13
    DMF 3904.87
    toluene 3915.79
    isobutanol 5467.68
    1,4-dioxane 11270.25
    methyl acetate 6402.8
    THF 12908.17
    2-butanone 8227.48
    n-pentanol 4874.71
    sec-butanol 7131.76
    n-hexane 5098.78
    ethylene glycol 292.39
    NMP 3607.34
    cyclohexane 9851.8
    DMSO 5676.03
    n-butyl acetate 10887.06
    n-octanol 2139.73
    chloroform 19445.39
    n-propyl acetate 8978.48
    acetic acid 3591.58
    dichloromethane 19200.9
    cyclohexanone 13034.86
    propylene glycol 669.71
    isopropyl acetate 7891.88
    DMAc 2949.6
    2-ethoxyethanol 4708.99
    isopentanol 6758.0
    n-heptane 3416.02
    ethyl formate 4440.44
    1,2-dichloroethane 12660.16
    n-hexanol 5385.8
    2-methoxyethanol 5522.19
    isobutyl acetate 4400.93
    tetrachloromethane 5538.0
    n-pentyl acetate 5882.08
    transcutol 10594.12
    n-heptanol 2255.84
    ethylbenzene 2282.16
    MIBK 4835.97
    2-propoxyethanol 5377.38
    tert-butanol 9876.07
    MTBE 12287.52
    2-butoxyethanol 3295.55
    propionic acid 3487.89
    o-xylene 2193.9
    formic acid 423.47
    diethyl ether 16675.23
    m-xylene 2304.41
    p-xylene 3014.55
    chlorobenzene 4818.69
    dimethyl carbonate 944.49
    n-octane 947.39
    formamide 769.83
    cyclopentanone 8601.37
    2-pentanone 8877.63
    anisole 3189.25
    cyclopentyl methyl ether 9854.85
    gamma-butyrolactone 7282.74
    1-methoxy-2-propanol 4621.73
    pyridine 8450.13
    3-pentanone 5777.45
    furfural 4793.47
    n-dodecane 362.1
    diethylene glycol 1763.79
    diisopropyl ether 4825.14
    tert-amyl alcohol 8307.5
    acetylacetone 5585.73
    n-hexadecane 441.7
    acetophenone 2573.11
    methyl propionate 5024.22
    isopentyl acetate 8259.0
    trichloroethylene 16703.44
    n-nonanol 1840.75
    cyclohexanol 9020.56
    benzyl alcohol 2143.32
    2-ethylhexanol 4584.39
    isooctanol 2148.56
    dipropyl ether 9918.88
    1,2-dichlorobenzene 4149.63
    ethyl lactate 1626.18
    propylene carbonate 4549.63
    n-methylformamide 2148.33
    2-pentanol 6581.38
    n-pentane 3897.0
    1-propoxy-2-propanol 6023.69
    1-methoxy-2-propyl acetate 4852.0
    2-(2-methoxypropoxy) propanol 1609.58
    mesitylene 1678.46
    ε-caprolactone 10295.98
    p-cymene 1743.39
    epichlorohydrin 9915.38
    1,1,1-trichloroethane 14892.13
    2-aminoethanol 1067.73
    morpholine-4-carbaldehyde 4681.88
    sulfolane 6312.53
    2,2,4-trimethylpentane 1158.58
    2-methyltetrahydrofuran 14562.76
    n-hexyl acetate 5507.93
    isooctane 924.35
    2-(2-butoxyethoxy)ethanol 2665.53
    sec-butyl acetate 6090.17
    tert-butyl acetate 7480.41
    decalin 1840.53
    glycerin 664.19
    diglyme 6624.84
    acrylic acid 1891.04
    isopropyl myristate 1632.77
    n-butyric acid 8236.82
    acetyl acetate 4853.98
    di(2-ethylhexyl) phthalate 905.11
    ethyl propionate 6632.82
    nitromethane 6108.65
    1,2-diethoxyethane 9343.99
    benzonitrile 3944.32
    trioctyl phosphate 814.54
    1-bromopropane 12668.68
    gamma-valerolactone 9313.96
    n-decanol 1148.76
    triethyl phosphate 1882.03
    4-methyl-2-pentanol 3116.05
    propionitrile 7041.85
    vinylene carbonate 3516.85
    1,1,2-trichlorotrifluoroethane 5427.66
    DMS 2124.13
    cumene 1416.96
    2-octanol 1954.68
    2-hexanone 7082.95
    octyl acetate 1758.75
    limonene 3545.64
    1,2-dimethoxyethane 10291.11
    ethyl orthosilicate 2277.61
    tributyl phosphate 1205.59
    diacetone alcohol 4364.41
    N,N-dimethylaniline 1817.77
    acrylonitrile 5188.77
    aniline 3748.86
    1,3-propanediol 2307.31
    bromobenzene 5792.86
    dibromomethane 15306.55
    1,1,2,2-tetrachloroethane 15219.05
    2-methyl-cyclohexyl acetate 3408.62
    tetrabutyl urea 1423.55
    diisobutyl methanol 2672.5
    2-phenylethanol 2197.37
    styrene 3018.73
    dioctyl adipate 1918.08
    dimethyl sulfate 1242.29
    ethyl butyrate 7667.89
    methyl lactate 1139.43
    butyl lactate 2529.24
    diethyl carbonate 3738.97
    propanediol butyl ether 1827.02
    triethyl orthoformate 4825.22
    p-tert-butyltoluene 1666.26
    methyl 4-tert-butylbenzoate 1823.72
    morpholine 14123.5
    tert-butylamine 8458.24
    n-dodecanol 835.54
    dimethoxymethane 3985.4
    ethylene carbonate 4111.79
    cyrene 1216.52
    2-ethoxyethyl acetate 4611.63
    2-ethylhexyl acetate 6585.85
    1,2,4-trichlorobenzene 4083.33
    4-methylpyridine 7784.8
    dibutyl ether 7325.22
    2,6-dimethyl-4-heptanol 2672.5
    DEF 7549.61
    dimethyl isosorbide 2862.05
    tetrachloroethylene 10661.09
    eugenol 1440.51
    triacetin 2760.71
    span 80 1926.81
    1,4-butanediol 960.94
    1,1-dichloroethane 14431.98
    2-methyl-1-pentanol 4248.18
    methyl formate 1530.28
    2-methyl-1-butanol 5945.44
    n-decane 861.32
    butyronitrile 9686.1
    3,7-dimethyl-1-octanol 2441.17
    1-chlorooctane 2662.6
    1-chlorotetradecane 742.62
    n-nonane 1008.65
    undecane 511.82
    tert-butylcyclohexane 1552.2
    cyclooctane 2306.22
    cyclopentanol 6527.0
    tetrahydropyran 20891.73
    tert-amyl methyl ether 7784.57
    2,5,8-trioxanonane 2825.22
    1-hexene 9462.56
    2-isopropoxyethanol 3947.43
    2,2,2-trifluoroethanol 916.48
    methyl butyrate 9162.54

    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