Acetaldehyde bis(2,3-epoxypropyl)acetal

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  • Identifiers

    CAS number
    3775-84-6

    Molecular formula
    C8H14O4

    SMILES
    CC(OCC1CO1)OCC2CO2

    Safety labels

  • Odor profile

    Fragrance
    Fruity 48.78%
    Alcoholic 35.19%
    Ethereal 29.63%
    Odorless 29.57%
    Sweet 26.84%
    Buttery 22.03%
    Fresh 18.42%
    Oily 18.1%
    Nutty 16.0%
    Solvent 15.41%

     

    Flavor
    Fatty 37.33%
    Bitter 29.31%
    Vegetable 27.77%
    Roasted 25.48%
    Mushroom 24.34%
    Sweet-like 22.22%
    Cauliflower 21.91%
    Bouillon 21.37%
    Earthy 21.12%
    Cooked beef juice 20.31%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    -0.2

    pKa est.
    4.62 (weak acid)

    Molecular weight
    174.19 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Boiling point est.
    254°C

    Flash point

    • 100.38 ˚C est.

  • Synonyms

    • 3775-84-6
    • Acetaldehyde bis(2,3-epoxypropyl)acetal
    • EINECS 223-227-9
    • SCHEMBL635723
    • SCHEMBL4542782
    • DTXSID90958788
    • MIQWTCWXRZROTM-UHFFFAOYSA-N
    • NS00045960
    • 2,2'-[Ethane-1,1-diylbis(oxymethylene)]bis(oxirane)
    • 3775-84-6

  • Applications

    Acetaldehyde bis(2,3-epoxypropyl)acetal (CAS 3775-84-6) is used primarily as an epoxy-functional crosslinking agent and intermediate in polymer synthesis. In coatings and paints, it serves as a crosslinker for epoxy resin systems to improve chemical resistance and mechanical properties. In adhesives, it acts as a crosslinking component to enhance bonding strength in epoxy and reactive resin formulations. In electronics encapsulation and potting materials, it can be formulated into epoxy resins to provide cure efficiency and thermal performance. In specialty polymers and composites, it can be employed as a monomer or modifier to tailor epoxy resin properties. In industrial manufacturing, it is used as a reactive diluent and crosslinking agent to adjust viscosity and cure kinetics of resin formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 81.54
    methanol 159.56
    isopropanol 44.34
    water 7.91
    ethyl acetate 83.04
    n-propanol 46.55
    acetone 82.54
    n-butanol 36.55
    acetonitrile 157.86
    DMF 102.72
    toluene 29.61
    isobutanol 29.41
    1,4-dioxane 133.61
    methyl acetate 87.62
    THF 148.78
    2-butanone 63.97
    n-pentanol 30.47
    sec-butanol 33.39
    n-hexane 3.53
    ethylene glycol 52.68
    NMP 95.6
    cyclohexane 10.98
    DMSO 275.31
    n-butyl acetate 36.44
    n-octanol 15.98
    chloroform 318.15
    n-propyl acetate 51.1
    acetic acid 279.98
    dichloromethane 368.71
    cyclohexanone 84.45
    propylene glycol 35.92
    isopropyl acetate 43.89
    DMAc 151.46
    2-ethoxyethanol 114.28
    isopentanol 30.19
    n-heptane 4.95
    ethyl formate 69.27
    1,2-dichloroethane 148.56
    n-hexanol 22.66
    2-methoxyethanol 164.77
    isobutyl acetate 31.69
    tetrachloromethane 37.84
    n-pentyl acetate 21.53
    transcutol 178.56
    n-heptanol 13.74
    ethylbenzene 17.51
    MIBK 29.9
    2-propoxyethanol 68.94
    tert-butanol 52.16
    MTBE 35.85
    2-butoxyethanol 42.66
    propionic acid 80.47
    o-xylene 26.09
    formic acid 174.94
    diethyl ether 48.1
    m-xylene 20.65
    p-xylene 27.32
    chlorobenzene 51.27
    dimethyl carbonate 33.12
    n-octane 2.54
    formamide 196.09
    cyclopentanone 98.65
    2-pentanone 41.89
    anisole 49.42
    cyclopentyl methyl ether 51.42
    gamma-butyrolactone 140.66
    1-methoxy-2-propanol 91.7
    pyridine 130.55
    3-pentanone 41.74
    furfural 169.17
    n-dodecane 2.92
    diethylene glycol 90.28
    diisopropyl ether 14.23
    tert-amyl alcohol 37.6
    acetylacetone 74.08
    n-hexadecane 3.26
    acetophenone 59.41
    methyl propionate 56.17
    isopentyl acetate 33.14
    trichloroethylene 262.52
    n-nonanol 16.44
    cyclohexanol 40.33
    benzyl alcohol 51.27
    2-ethylhexanol 18.27
    isooctanol 13.08
    dipropyl ether 28.23
    1,2-dichlorobenzene 54.25
    ethyl lactate 41.02
    propylene carbonate 79.57
    n-methylformamide 88.38
    2-pentanol 22.03
    n-pentane 4.05
    1-propoxy-2-propanol 43.41
    1-methoxy-2-propyl acetate 45.94
    2-(2-methoxypropoxy) propanol 54.53
    mesitylene 15.43
    ε-caprolactone 83.14
    p-cymene 15.14
    epichlorohydrin 173.06
    1,1,1-trichloroethane 103.8
    2-aminoethanol 63.16
    morpholine-4-carbaldehyde 142.45
    sulfolane 142.79
    2,2,4-trimethylpentane 3.33
    2-methyltetrahydrofuran 82.59
    n-hexyl acetate 30.49
    isooctane 2.12
    2-(2-butoxyethoxy)ethanol 62.5
    sec-butyl acetate 33.77
    tert-butyl acetate 36.69
    decalin 6.01
    glycerin 72.81
    diglyme 129.05
    acrylic acid 92.52
    isopropyl myristate 18.14
    n-butyric acid 82.57
    acetyl acetate 82.04
    di(2-ethylhexyl) phthalate 20.98
    ethyl propionate 49.59
    nitromethane 287.18
    1,2-diethoxyethane 52.55
    benzonitrile 67.29
    trioctyl phosphate 13.86
    1-bromopropane 55.74
    gamma-valerolactone 141.95
    n-decanol 13.17
    triethyl phosphate 31.58
    4-methyl-2-pentanol 15.63
    propionitrile 82.23
    vinylene carbonate 89.21
    1,1,2-trichlorotrifluoroethane 161.98
    DMS 37.64
    cumene 14.56
    2-octanol 9.6
    2-hexanone 38.3
    octyl acetate 21.25
    limonene 19.83
    1,2-dimethoxyethane 155.25
    ethyl orthosilicate 28.2
    tributyl phosphate 19.66
    diacetone alcohol 47.48
    N,N-dimethylaniline 37.14
    acrylonitrile 113.66
    aniline 48.21
    1,3-propanediol 77.75
    bromobenzene 52.89
    dibromomethane 189.8
    1,1,2,2-tetrachloroethane 189.47
    2-methyl-cyclohexyl acetate 36.43
    tetrabutyl urea 25.11
    diisobutyl methanol 14.66
    2-phenylethanol 34.02
    styrene 24.08
    dioctyl adipate 32.39
    dimethyl sulfate 65.46
    ethyl butyrate 45.13
    methyl lactate 46.35
    butyl lactate 24.85
    diethyl carbonate 39.3
    propanediol butyl ether 37.11
    triethyl orthoformate 38.6
    p-tert-butyltoluene 13.9
    methyl 4-tert-butylbenzoate 42.8
    morpholine 138.54
    tert-butylamine 30.4
    n-dodecanol 11.22
    dimethoxymethane 76.48
    ethylene carbonate 71.69
    cyrene 65.51
    2-ethoxyethyl acetate 37.44
    2-ethylhexyl acetate 26.81
    1,2,4-trichlorobenzene 68.05
    4-methylpyridine 79.64
    dibutyl ether 23.89
    2,6-dimethyl-4-heptanol 14.66
    DEF 68.48
    dimethyl isosorbide 85.05
    tetrachloroethylene 128.27
    eugenol 42.94
    triacetin 56.77
    span 80 39.94
    1,4-butanediol 37.38
    1,1-dichloroethane 116.08
    2-methyl-1-pentanol 26.51
    methyl formate 73.57
    2-methyl-1-butanol 27.14
    n-decane 4.24
    butyronitrile 59.54
    3,7-dimethyl-1-octanol 19.43
    1-chlorooctane 13.54
    1-chlorotetradecane 7.19
    n-nonane 3.65
    undecane 3.38
    tert-butylcyclohexane 4.46
    cyclooctane 4.58
    cyclopentanol 46.88
    tetrahydropyran 82.27
    tert-amyl methyl ether 29.68
    2,5,8-trioxanonane 100.33
    1-hexene 12.08
    2-isopropoxyethanol 65.77
    2,2,2-trifluoroethanol 113.99
    methyl butyrate 61.81

    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