2,2'-((1-Methylethylidene)bis(4,1-phenyleneoxy(1-(butoxymethyl)-2,1-ethanediyl)oxymethylene))bisoxirane

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  • Identifiers

    CAS number
    71033-08-4

    Molecular formula
    C35H52O8

    SMILES
    CCCCOCC(COC1=CC=C(C=C1)C(C)(C)C2=CC=C(C=C2)OCC(COCCCC)OCC3CO3)OCC4CO4

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fruity 47.39%
    Floral 33.5%
    Fresh 25.89%
    Sweet 25.8%
    Woody 24.22%
    Green 22.54%
    Rose 22.38%
    Odorless 22.13%
    Balsamic 20.46%
    Alcoholic 19.39%

     

    Flavor
    Earthy 28.47%
    Bitter 27.11%
    Green 26.92%
    Fatty 24.28%
    Floral 24.0%
    Waxy 23.61%
    Mild 23.49%
    Mushroom 23.49%
    Oily 22.75%
    Sweet-like 20.4%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    6.1

    pKa est.
    5.98 (weak acid)

    Molecular weight
    600.8 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    1034°C

    Flash point

    • 201.96 ˚C est.

  • Synonyms

    • 71033-08-4
    • EINECS 275-143-7
    • FKA36X2P6C
    • 2,2-Bis(p-(2-glycidyloxy-3-butoxypropyloxy)phenyl)propane
    • ARALDITE XU GY 376
    • 2,2'-((1-Methylethylidene)bis(4,1-phenyleneoxy(1-(butoxymethyl)-2,1-ethanediyl)oxymethylene))bisoxirane
    • Oxirane, 2,2'-((1-methylethylidene)bis(4,1-phenyleneoxy(1-(butoxymethyl)-2,1-ethanediyl)oxymethylene))bis-
    • 2,2'-((1-METHYLETHYLIDENE)BIS(4,1-PHENYLENEOXY(1-(BUTOXYMETHYL)-2,1-ETHANEDIYL)OXYMETHYLENE))BIS(OXIRANE)
    • 2,2'-((1-Methylethylidene)bis(4,1-phenyleneoxy(1-(butoxymethyl)ethylene)oxymethylene))bisoxirane
    • 2,2'-[(1-methylethylidene)bis[4,1-phenyleneoxy[1-(butoxymethyl)ethylene]oxymethylene]]bisoxirane
    • Oxirane, 2,2'-[(1-methylethylidene)bis[4,1-phenyleneoxy[1-(butoxymethyl)-2,1-ethanediyl]oxymethylene]]bis-
    • 2,2-Bis[p-(2-glycidyloxy-3-butoxypropyloxy)phenyl]propane
    • 2,2'-[(1-Methylethylidene)bis[4,1-phenyleneoxy[1-(butoxymethyl)-2,1-ethanediyl]oxymethylene]]bis[oxirane]
    • RefChem:440036
    • 2,2'-(((((propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(3-butoxypropane-1,2-diyl))bis(oxy))bis(methylene))bis(oxirane)
    • UNII-FKA36X2P6C
    • starbld0006095
    • SCHEMBL6856647
    • DTXSID6052455
    • OGJYOKDCDJTEGM-UHFFFAOYSA-N
    • NS00021338
    • Q27278036
    • 2,2-Bis(p-(2-glycidyloxy-3-butoxypropyloxy)-phenyl)propane
    • 2,2'-{Propane-2,2-diylbis[4,1-phenyleneoxy(3-butoxypropane-1,2-diyl)oxymethylene]}bis(oxirane)
    • 2,2'-{Propane-2,2-diylbis[benzene-4,1-diyloxy(3-butoxypropane-1,2-diyl)oxymethanediyl]}dioxirane
    • 71033-08-4

  • Applications

    2,2'-((1-Methylethylidene)bis(4,1-phenyleneoxy(1-(butoxymethyl)-2,1-ethanediyl)oxymethylene))bisoxirane (CAS 71033-08-4) is a diepoxide used primarily as a crosslinking agent and reactive epoxy monomer in epoxy resin formulations; in industrial manufacturing it serves to build high-performance coatings, adhesives, and composite matrices with improved thermal and chemical resistance. It is commonly evaluated for use in coatings and varnishes, structural adhesives for aerospace and automotive applications, epoxy resin formulations for electronics encapsulation and potting, and in polymer and composite resins where increased crosslink density and solvent compatibility are beneficial. Additionally, it may function as a reactive diluent or crosslinker in specialty epoxy systems to tailor viscosity and cure behavior. Subject to local regulations and formulation limits, its exact role depends on the system requirements.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.4
    methanol 2.89
    isopropanol 1.81
    water 0.04
    ethyl acetate 46.3
    n-propanol 3.78
    acetone 22.56
    n-butanol 3.55
    acetonitrile 12.52
    DMF 23.7
    toluene 20.93
    isobutanol 3.17
    1,4-dioxane 33.16
    methyl acetate 33.75
    THF 60.17
    2-butanone 31.63
    n-pentanol 3.62
    sec-butanol 3.6
    n-hexane 0.66
    ethylene glycol 0.92
    NMP 95.47
    cyclohexane 2.2
    DMSO 34.73
    n-butyl acetate 15.5
    n-octanol 3.61
    chloroform 323.52
    n-propyl acetate 21.28
    acetic acid 34.79
    dichloromethane 314.1
    cyclohexanone 64.21
    propylene glycol 1.53
    isopropyl acetate 28.65
    DMAc 97.03
    2-ethoxyethanol 13.6
    isopentanol 3.89
    n-heptane 1.05
    ethyl formate 17.48
    1,2-dichloroethane 101.22
    n-hexanol 2.95
    2-methoxyethanol 12.52
    isobutyl acetate 12.99
    tetrachloromethane 26.33
    n-pentyl acetate 20.21
    transcutol 50.82
    n-heptanol 3.52
    ethylbenzene 8.67
    MIBK 16.07
    2-propoxyethanol 13.98
    tert-butanol 2.92
    MTBE 9.63
    2-butoxyethanol 13.89
    propionic acid 18.39
    o-xylene 13.53
    formic acid 10.66
    diethyl ether 11.03
    m-xylene 11.88
    p-xylene 9.88
    chlorobenzene 42.24
    dimethyl carbonate 33.72
    n-octane 0.51
    formamide 14.62
    cyclopentanone 77.93
    2-pentanone 26.66
    anisole 20.48
    cyclopentyl methyl ether 36.17
    gamma-butyrolactone 109.59
    1-methoxy-2-propanol 11.33
    pyridine 49.83
    3-pentanone 33.92
    furfural 76.18
    n-dodecane 0.4
    diethylene glycol 7.42
    diisopropyl ether 4.59
    tert-amyl alcohol 5.45
    acetylacetone 58.91
    n-hexadecane 0.48
    acetophenone 29.28
    methyl propionate 44.09
    isopentyl acetate 15.81
    trichloroethylene 334.69
    n-nonanol 4.28
    cyclohexanol 9.12
    benzyl alcohol 12.56
    2-ethylhexanol 4.03
    isooctanol 3.62
    dipropyl ether 10.51
    1,2-dichlorobenzene 55.86
    ethyl lactate 14.11
    propylene carbonate 58.35
    n-methylformamide 14.17
    2-pentanol 3.14
    n-pentane 0.58
    1-propoxy-2-propanol 12.58
    1-methoxy-2-propyl acetate 35.02
    2-(2-methoxypropoxy) propanol 19.1
    mesitylene 5.87
    ε-caprolactone 76.22
    p-cymene 5.62
    epichlorohydrin 134.25
    1,1,1-trichloroethane 116.28
    2-aminoethanol 2.33
    morpholine-4-carbaldehyde 62.01
    sulfolane 141.03
    2,2,4-trimethylpentane 0.99
    2-methyltetrahydrofuran 39.87
    n-hexyl acetate 17.89
    isooctane 0.39
    2-(2-butoxyethoxy)ethanol 19.08
    sec-butyl acetate 17.81
    tert-butyl acetate 28.4
    decalin 1.68
    glycerin 4.08
    diglyme 52.72
    acrylic acid 21.18
    isopropyl myristate 6.97
    n-butyric acid 27.7
    acetyl acetate 59.5
    di(2-ethylhexyl) phthalate 8.26
    ethyl propionate 27.35
    nitromethane 88.64
    1,2-diethoxyethane 19.84
    benzonitrile 15.92
    trioctyl phosphate 5.46
    1-bromopropane 30.0
    gamma-valerolactone 110.75
    n-decanol 2.78
    triethyl phosphate 18.68
    4-methyl-2-pentanol 2.72
    propionitrile 10.73
    vinylene carbonate 61.53
    1,1,2-trichlorotrifluoroethane 119.26
    DMS 29.98
    cumene 5.58
    2-octanol 2.6
    2-hexanone 16.85
    octyl acetate 9.03
    limonene 8.15
    1,2-dimethoxyethane 26.91
    ethyl orthosilicate 16.25
    tributyl phosphate 7.41
    diacetone alcohol 21.77
    N,N-dimethylaniline 13.24
    acrylonitrile 17.42
    aniline 18.18
    1,3-propanediol 3.83
    bromobenzene 60.5
    dibromomethane 134.77
    1,1,2,2-tetrachloroethane 216.61
    2-methyl-cyclohexyl acetate 18.37
    tetrabutyl urea 9.66
    diisobutyl methanol 3.12
    2-phenylethanol 9.83
    styrene 10.57
    dioctyl adipate 14.55
    dimethyl sulfate 79.94
    ethyl butyrate 22.6
    methyl lactate 20.93
    butyl lactate 14.31
    diethyl carbonate 18.46
    propanediol butyl ether 8.24
    triethyl orthoformate 21.36
    p-tert-butyltoluene 4.99
    methyl 4-tert-butylbenzoate 28.83
    morpholine 33.57
    tert-butylamine 1.75
    n-dodecanol 1.94
    dimethoxymethane 27.53
    ethylene carbonate 49.41
    cyrene 29.36
    2-ethoxyethyl acetate 37.02
    2-ethylhexyl acetate 14.48
    1,2,4-trichlorobenzene 77.95
    4-methylpyridine 37.53
    dibutyl ether 7.56
    2,6-dimethyl-4-heptanol 3.12
    DEF 38.85
    dimethyl isosorbide 44.29
    tetrachloroethylene 122.56
    eugenol 18.07
    triacetin 43.07
    span 80 13.89
    1,4-butanediol 2.09
    1,1-dichloroethane 75.41
    2-methyl-1-pentanol 4.92
    methyl formate 16.16
    2-methyl-1-butanol 4.7
    n-decane 0.86
    butyronitrile 7.93
    3,7-dimethyl-1-octanol 4.1
    1-chlorooctane 4.9
    1-chlorotetradecane 1.6
    n-nonane 0.72
    undecane 0.55
    tert-butylcyclohexane 1.09
    cyclooctane 1.07
    cyclopentanol 10.28
    tetrahydropyran 28.31
    tert-amyl methyl ether 13.43
    2,5,8-trioxanonane 32.98
    1-hexene 2.56
    2-isopropoxyethanol 12.01
    2,2,2-trifluoroethanol 26.73
    methyl butyrate 29.59

    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