4,4'-((Dioctylstannylene)bis(oxy))bis(4-oxoisocrotonic)acid

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  • Identifiers

    CAS number
    15571-60-5

    Molecular formula
    C24H40O8Sn

    SMILES
    CCCCCCCC[Sn](OC(=O)/C=C\C(=O)O)(OC(=O)/C=C\C(=O)O)CCCCCCCC

    Safety labels

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Fatty 38.56%
    Odorless 36.88%
    Green 35.72%
    Oily 33.91%
    Herbal 33.42%
    Lactonic 28.39%
    Waxy 26.26%
    Milky 24.52%
    Winey 24.39%
    Fresh 24.33%

     

    Flavor
    Fruity 37.99%
    Odorless 32.81%
    Waxy 29.41%
    Fatty 27.77%
    Oily 25.37%
    Mild 25.31%
    Bland 22.59%
    Green 20.88%
    Cultured dairy 20.72%
    Bay oil 20.66%

     

  • Properties

    pKa est.
    5.73 (weak acid)

    Molecular weight
    575.3 g/mol

    Flash point

    • 278.75 ˚C est.

  • Synonyms

    • 4,4'-[(Dioctylstannylene)bis(oxy)]bis[4-oxoisocrotonic]acid
    • 4,4'-((Dioctylstannylene)bis(oxy))bis(4-oxoisocrotonic)acid
    • RefChem:506405
    • Dioctyltin dimaleate
    • 15571-60-5
    • (Z,Z)-4,4'-((Dioctylstannylene)bis(oxy))bis(4-oxo-2-butenoic acid)
    • Diisobutylmaleate dioctyltin
    • EINECS 239-625-0
    • UNII-Y4GEA22FD2
    • DTXSID6044220
    • NS00112953
    • Q27294254
    • (2Z,2'Z)-4,4'-[(Dioctylstannanediyl)bis(oxy)]bis(4-oxobut-2-enoic acid)
    • 15571-60-5

  • Applications

    4,4'-((Dioctylstannylene)bis(oxy))bis(4-oxoisocrotonic)acid (CAS 15571-60-5) is an organotin compound commonly used as an intermediate in organotin synthesis and as a catalyst precursor in polymer-related processes; typical real-world applications include stabilizing plastics and composites to improve thermal stability during processing, serving as a crosslinking/functionalizing agent for coatings and inks, acting as a crosslinking or modifying agent in adhesives and paint systems, providing a catalyst precursor or ligand source in industrial polymerization and resin synthesis, and other processing aids in industrial manufacturing, subject to formulation limits and local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 10.64
    methanol 10.67
    isopropanol 8.46
    water 0.06
    ethyl acetate 24.37
    n-propanol 13.08
    acetone 28.79
    n-butanol 11.62
    acetonitrile 9.56
    DMF 105.79
    toluene 15.64
    isobutanol 9.22
    1,4-dioxane 24.1
    methyl acetate 22.72
    THF 109.38
    2-butanone 37.18
    n-pentanol 11.17
    sec-butanol 12.7
    n-hexane 2.18
    ethylene glycol 2.03
    NMP 268.98
    cyclohexane 3.72
    DMSO 76.15
    n-butyl acetate 23.23
    n-octanol 7.26
    chloroform 73.2
    n-propyl acetate 21.89
    acetic acid 25.0
    dichloromethane 72.64
    cyclohexanone 80.26
    propylene glycol 5.82
    isopropyl acetate 21.0
    DMAc 189.35
    2-ethoxyethanol 25.44
    isopentanol 10.27
    n-heptane 1.66
    ethyl formate 18.06
    1,2-dichloroethane 45.91
    n-hexanol 9.1
    2-methoxyethanol 31.5
    isobutyl acetate 13.02
    tetrachloromethane 11.66
    n-pentyl acetate 25.33
    transcutol 61.5
    n-heptanol 7.91
    ethylbenzene 9.81
    MIBK 22.38
    2-propoxyethanol 28.22
    tert-butanol 10.35
    MTBE 14.91
    2-butoxyethanol 24.37
    propionic acid 19.27
    o-xylene 14.54
    formic acid 11.2
    diethyl ether 12.98
    m-xylene 11.55
    p-xylene 11.02
    chlorobenzene 22.82
    dimethyl carbonate 18.57
    n-octane 0.94
    formamide 19.53
    cyclopentanone 113.63
    2-pentanone 31.72
    anisole 22.98
    cyclopentyl methyl ether 47.51
    gamma-butyrolactone 112.96
    1-methoxy-2-propanol 32.54
    pyridine 40.98
    3-pentanone 30.77
    furfural 83.57
    n-dodecane 0.66
    diethylene glycol 13.24
    diisopropyl ether 5.86
    tert-amyl alcohol 15.77
    acetylacetone 43.3
    n-hexadecane 0.75
    acetophenone 37.29
    methyl propionate 29.51
    isopentyl acetate 21.54
    trichloroethylene 100.17
    n-nonanol 8.05
    cyclohexanol 17.55
    benzyl alcohol 18.56
    2-ethylhexanol 8.07
    isooctanol 7.26
    dipropyl ether 12.13
    1,2-dichlorobenzene 29.04
    ethyl lactate 17.98
    propylene carbonate 58.86
    n-methylformamide 34.29
    2-pentanol 9.32
    n-pentane 2.02
    1-propoxy-2-propanol 25.27
    1-methoxy-2-propyl acetate 37.0
    2-(2-methoxypropoxy) propanol 30.68
    mesitylene 7.5
    ε-caprolactone 76.17
    p-cymene 7.36
    epichlorohydrin 93.48
    1,1,1-trichloroethane 41.72
    2-aminoethanol 7.68
    morpholine-4-carbaldehyde 110.23
    sulfolane 202.04
    2,2,4-trimethylpentane 1.97
    2-methyltetrahydrofuran 63.0
    n-hexyl acetate 25.0
    isooctane 0.94
    2-(2-butoxyethoxy)ethanol 32.9
    sec-butyl acetate 18.95
    tert-butyl acetate 28.51
    decalin 3.03
    glycerin 10.34
    diglyme 54.79
    acrylic acid 18.46
    isopropyl myristate 9.46
    n-butyric acid 29.26
    acetyl acetate 19.03
    di(2-ethylhexyl) phthalate 13.9
    ethyl propionate 23.5
    nitromethane 51.66
    1,2-diethoxyethane 20.35
    benzonitrile 18.81
    trioctyl phosphate 9.12
    1-bromopropane 23.95
    gamma-valerolactone 140.1
    n-decanol 5.44
    triethyl phosphate 17.64
    4-methyl-2-pentanol 6.46
    propionitrile 11.3
    vinylene carbonate 45.56
    1,1,2-trichlorotrifluoroethane 77.93
    DMS 23.76
    cumene 7.39
    2-octanol 6.08
    2-hexanone 26.79
    octyl acetate 13.12
    limonene 12.6
    1,2-dimethoxyethane 40.21
    ethyl orthosilicate 16.0
    tributyl phosphate 11.95
    diacetone alcohol 33.83
    N,N-dimethylaniline 24.9
    acrylonitrile 15.07
    aniline 18.31
    1,3-propanediol 10.83
    bromobenzene 24.37
    dibromomethane 44.94
    1,1,2,2-tetrachloroethane 91.55
    2-methyl-cyclohexyl acetate 27.36
    tetrabutyl urea 22.3
    diisobutyl methanol 5.5
    2-phenylethanol 16.87
    styrene 11.58
    dioctyl adipate 19.91
    dimethyl sulfate 49.04
    ethyl butyrate 23.88
    methyl lactate 24.89
    butyl lactate 26.65
    diethyl carbonate 15.67
    propanediol butyl ether 20.16
    triethyl orthoformate 20.89
    p-tert-butyltoluene 7.17
    methyl 4-tert-butylbenzoate 39.49
    morpholine 46.38
    tert-butylamine 6.56
    n-dodecanol 3.75
    dimethoxymethane 39.41
    ethylene carbonate 35.38
    cyrene 50.48
    2-ethoxyethyl acetate 35.0
    2-ethylhexyl acetate 19.28
    1,2,4-trichlorobenzene 39.58
    4-methylpyridine 43.3
    dibutyl ether 9.78
    2,6-dimethyl-4-heptanol 5.5
    DEF 56.46
    dimethyl isosorbide 73.91
    tetrachloroethylene 46.16
    eugenol 32.85
    triacetin 36.06
    span 80 27.3
    1,4-butanediol 5.36
    1,1-dichloroethane 37.44
    2-methyl-1-pentanol 11.66
    methyl formate 22.48
    2-methyl-1-butanol 12.1
    n-decane 1.27
    butyronitrile 12.57
    3,7-dimethyl-1-octanol 7.93
    1-chlorooctane 6.87
    1-chlorotetradecane 2.52
    n-nonane 1.1
    undecane 0.87
    tert-butylcyclohexane 2.3
    cyclooctane 1.58
    cyclopentanol 24.85
    tetrahydropyran 34.59
    tert-amyl methyl ether 21.03
    2,5,8-trioxanonane 40.06
    1-hexene 7.5
    2-isopropoxyethanol 18.6
    2,2,2-trifluoroethanol 15.17
    methyl butyrate 32.37

    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