Di-n-octyltin ethyleneglycol bis(mercaptoacetate)

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  • Identifiers

    CAS number
    56875-68-4

    Molecular formula
    C22H42O4S2Sn

    SMILES
    CCCCCCCC[Sn]1(SCC(=O)OCCOC(=O)CS1)CCCCCCCC

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Fatty 68.33%
    Peach 43.88%
    Waxy 41.73%
    Meaty 39.52%
    Dairy 39.12%
    Creamy 38.27%
    Milky 34.49%
    Buttery 34.19%
    Oily 34.01%
    Savory 32.8%

     

    Flavor
    Fatty 58.95%
    Creamy 52.96%
    Waxy 52.37%
    Fruity 47.57%
    Oily 44.37%
    Coconut 44.27%
    Peach 41.3%
    Sweet 34.13%
    Fat 31.5%
    Metallic 30.38%

     

  • Properties

    pKa est.
    6.88 (neutral)

    Molecular weight
    553.4 g/mol

    Flash point

    • 249.68 ˚C est.

  • Synonyms

    • FF2QCTJH3U
    • Ethylenebisthioglycolate dioctyltin
    • 56875-68-4
    • 1,4-Dioxa-7,9-dithia-8-stannacycloundecane-5,11-dione, 8,8-dioctyl-
    • 8,8-DIOCTYL-1,4-DIOXA-7,9-DITHIA-8-STANNACYCLOUNDECANE-5,11-DIONE
    • OTS 15
    • 69226-44-4
    • EINECS 273-920-5
    • Di-n-octyltin ethyleneglycol bis(mercaptoacetate)
    • Di-n-octyl-zinn aethylenglykol-dithioglykolat [German]
    • OTS-15
    • Di-n-octyl-zinn aethylenglykol-dithioglykolat
    • DTXSID3074369
    • EINECS 260-414-4
    • RefChem:586056
    • DTXCID8042133
    • 273-920-5
    • UNII-FF2QCTJH3U
    • SCHEMBL28472254
    • NS00062135
    • 5,5-DIOCTYL-1,9-DIOXA-4,6-DITHIA-5-STANNACYCLOUNDECANE-2,8-DIONE
    • 69226-44-4

  • Applications

    Di-n-octyltin ethyleneglycol bis(mercaptoacetate) (CAS 56875-68-4) is used primarily as a heat stabilizer for PVC and other chlorine-containing polymers, helping suppress hydrogen chloride release and degradation during processing; it is also applied as a catalyst or stabilizing additive in polyurethane and epoxy resin formulations to aid curing; in coatings and inks, it can function as a processing stabilizer and catalyst for curing reactions and to improve film formation and adhesion; as a tin-thiolate complex, it may serve as an intermediate building block for specialty polymer systems and resin formulations in industrial manufacturing.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 12.4
    methanol 8.7
    isopropanol 11.17
    water 0.02
    ethyl acetate 118.64
    n-propanol 18.21
    acetone 85.13
    n-butanol 18.67
    acetonitrile 26.85
    DMF 297.88
    toluene 75.85
    isobutanol 15.97
    1,4-dioxane 141.34
    methyl acetate 81.26
    THF 402.93
    2-butanone 108.35
    n-pentanol 21.94
    sec-butanol 20.56
    n-hexane 3.79
    ethylene glycol 1.91
    NMP 614.57
    cyclohexane 16.33
    DMSO 133.12
    n-butyl acetate 108.08
    n-octanol 28.29
    chloroform 370.94
    n-propyl acetate 106.41
    acetic acid 41.03
    dichloromethane 346.54
    cyclohexanone 330.69
    propylene glycol 6.47
    isopropyl acetate 114.04
    DMAc 472.64
    2-ethoxyethanol 62.38
    isopentanol 21.59
    n-heptane 5.92
    ethyl formate 53.98
    1,2-dichloroethane 189.93
    n-hexanol 22.76
    2-methoxyethanol 62.64
    isobutyl acetate 72.25
    tetrachloromethane 44.03
    n-pentyl acetate 153.24
    transcutol 284.88
    n-heptanol 25.89
    ethylbenzene 40.06
    MIBK 93.24
    2-propoxyethanol 77.0
    tert-butanol 20.44
    MTBE 52.52
    2-butoxyethanol 80.63
    propionic acid 37.32
    o-xylene 56.26
    formic acid 9.68
    diethyl ether 46.38
    m-xylene 55.1
    p-xylene 47.6
    chlorobenzene 138.05
    dimethyl carbonate 67.57
    n-octane 3.52
    formamide 25.94
    cyclopentanone 448.89
    2-pentanone 117.74
    anisole 111.71
    cyclopentyl methyl ether 215.18
    gamma-butyrolactone 413.18
    1-methoxy-2-propanol 77.31
    pyridine 189.29
    3-pentanone 107.5
    furfural 354.78
    n-dodecane 2.53
    diethylene glycol 30.7
    diisopropyl ether 24.75
    tert-amyl alcohol 30.95
    acetylacetone 235.86
    n-hexadecane 3.15
    acetophenone 150.39
    methyl propionate 108.94
    isopentyl acetate 108.24
    trichloroethylene 535.76
    n-nonanol 30.98
    cyclohexanol 50.94
    benzyl alcohol 63.93
    2-ethylhexanol 26.09
    isooctanol 27.02
    dipropyl ether 52.76
    1,2-dichlorobenzene 176.14
    ethyl lactate 54.38
    propylene carbonate 252.5
    n-methylformamide 67.15
    2-pentanol 19.07
    n-pentane 3.47
    1-propoxy-2-propanol 81.27
    1-methoxy-2-propyl acetate 178.11
    2-(2-methoxypropoxy) propanol 95.19
    mesitylene 34.48
    ε-caprolactone 308.42
    p-cymene 33.45
    epichlorohydrin 416.0
    1,1,1-trichloroethane 220.29
    2-aminoethanol 8.23
    morpholine-4-carbaldehyde 440.02
    sulfolane 616.58
    2,2,4-trimethylpentane 4.48
    2-methyltetrahydrofuran 227.98
    n-hexyl acetate 135.43
    isooctane 2.76
    2-(2-butoxyethoxy)ethanol 111.97
    sec-butyl acetate 88.51
    tert-butyl acetate 153.6
    decalin 9.39
    glycerin 13.8
    diglyme 265.65
    acrylic acid 34.07
    isopropyl myristate 49.19
    n-butyric acid 74.01
    acetyl acetate 110.61
    di(2-ethylhexyl) phthalate 53.39
    ethyl propionate 96.55
    nitromethane 150.75
    1,2-diethoxyethane 127.64
    benzonitrile 98.25
    trioctyl phosphate 35.94
    1-bromopropane 80.72
    gamma-valerolactone 610.97
    n-decanol 21.05
    triethyl phosphate 64.1
    4-methyl-2-pentanol 17.1
    propionitrile 32.63
    vinylene carbonate 205.19
    1,1,2-trichlorotrifluoroethane 269.42
    DMS 126.59
    cumene 26.03
    2-octanol 23.45
    2-hexanone 95.52
    octyl acetate 62.22
    limonene 54.92
    1,2-dimethoxyethane 149.6
    ethyl orthosilicate 62.01
    tributyl phosphate 47.88
    diacetone alcohol 117.99
    N,N-dimethylaniline 83.59
    acrylonitrile 45.8
    aniline 70.66
    1,3-propanediol 14.8
    bromobenzene 172.03
    dibromomethane 190.91
    1,1,2,2-tetrachloroethane 420.56
    2-methyl-cyclohexyl acetate 110.02
    tetrabutyl urea 78.04
    diisobutyl methanol 22.44
    2-phenylethanol 59.73
    styrene 53.39
    dioctyl adipate 86.85
    dimethyl sulfate 168.72
    ethyl butyrate 105.32
    methyl lactate 59.95
    butyl lactate 101.49
    diethyl carbonate 67.69
    propanediol butyl ether 68.01
    triethyl orthoformate 91.66
    p-tert-butyltoluene 33.59
    methyl 4-tert-butylbenzoate 149.27
    morpholine 183.87
    tert-butylamine 13.0
    n-dodecanol 14.87
    dimethoxymethane 144.77
    ethylene carbonate 166.18
    cyrene 152.9
    2-ethoxyethyl acetate 215.44
    2-ethylhexyl acetate 100.35
    1,2,4-trichlorobenzene 220.1
    4-methylpyridine 201.89
    dibutyl ether 52.72
    2,6-dimethyl-4-heptanol 22.44
    DEF 202.77
    dimethyl isosorbide 275.59
    tetrachloroethylene 199.78
    eugenol 125.61
    triacetin 186.16
    span 80 93.41
    1,4-butanediol 8.49
    1,1-dichloroethane 154.79
    2-methyl-1-pentanol 26.15
    methyl formate 53.97
    2-methyl-1-butanol 23.42
    n-decane 5.5
    butyronitrile 39.64
    3,7-dimethyl-1-octanol 32.15
    1-chlorooctane 31.15
    1-chlorotetradecane 10.52
    n-nonane 4.71
    undecane 3.54
    tert-butylcyclohexane 6.43
    cyclooctane 6.35
    cyclopentanol 62.15
    tetrahydropyran 166.62
    tert-amyl methyl ether 66.33
    2,5,8-trioxanonane 164.35
    1-hexene 16.83
    2-isopropoxyethanol 54.6
    2,2,2-trifluoroethanol 31.07
    methyl butyrate 127.17

    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