Dimethyltin bis(isooctyl mercaptoacetate)

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  • Identifiers

    CAS number
    26636-01-1

    Molecular formula
    C22H44O4S2Sn

    SMILES
    CC(C)CCCCCOC(=O)CS[Sn](C)(C)SCC(=O)OCCCCCC(C)C

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Tropical 44.35%
    Sulfurous 42.82%
    Fruity 40.74%
    Grapefruit 36.22%
    Meaty 32.16%
    Herbal 31.81%
    Black currant 31.32%
    Savory 30.55%
    Peach 30.16%
    Floral 29.16%

     

    Flavor
    Green 35.35%
    Tropical 28.83%
    Fruity 27.05%
    Oily 22.96%
    Mild 22.24%
    Bland 22.14%
    Acrid 20.68%
    Herbal 20.38%
    Green pepper 20.28%
    Carrot 20.28%

     

  • Properties

    pKa est.
    8.23 (weak base)

    Molecular weight
    555.4 g/mol

    Flash point

    • 231.79 ˚C est.

  • Synonyms

    • Advastab TM 181S
    • DIISOOCTYL 2,2'-[(DIMETHYLSTANNYLENE)BIS(THIO)]DIACETATE
    • Advastab TM 181
    • T 40 (ester)
    • TM 181S
    • HSDB 6097
    • Tin, dimethyl-, bis(isooctylthioglycollate)
    • EINECS 247-862-6
    • Dimethyltin-bis(isooctylthioglycolate)
    • Dimethyltinbis(isooctylmercaptoacetate)
    • 9AFG988025
    • dimethyltin bis(isooctyl thioglycolate)
    • Stannane, bis(isooctyloxycarbonylmethylthio)dimethyl-
    • Dimethylzinn-S,S'-bis(isooctylthioglycolat)
    • Dimethyltin S,S'-bis(isooctyl mercaptoacetate)
    • Diisooctyl ((dimethylstannylene)dithio)diacetate
    • DIMETHYLTIN BIS (ISOOCTYLMERCAPTOACETATE)
    • DIMETHYLTIN BIS(ISOOCTYL MERCAPTOACETATE)
    • ADVASTAB TM 181 [HSDB]
    • Acetic acid, 2,2'-((dimethylstannylene)bis(thio))bis-, diisooctyl ester
    • Bis((((isooctyloxy)carbonyl)methyl)thio)dimethyltin
    • Dimethylzinn-S,S'-bis(isooctylthioglycolat) [German]
    • Tin, bis((carboxymethyl)thio)dimethyl-, diisooctyl ester
    • Diisooctyl 2,2'-((dimethylstannylene)bis(thio))diacetate
    • Acetic acid, 2,2'-[(dimethylstannylene)bis(thio)]bis-, diisooctyl ester
    • Acetic acid, 2,2'-((dimethylstannylene)bis(thio))bis-, 1,1'-diisooctyl ester
    • Acetic acid, 2,2'-[(dimethylstannylene)bis(thio)]bis-, 1,1'-diisooctyl ester
    • DIMETHYLZINN-S,S'-BIS(ISOOCTYLTHIOGLYCOLAT) (GERMAN)
    • 6-methylheptyl 2-((dimethyl((2-((6-methylheptyl)oxy)-2-oxoethyl)sulfanyl)stannyl)sulfanyl)acetate
    • 6-methylheptyl 2-{[dimethyl({2-[(6-methylheptyl)oxy]-2-oxoethyl}sulfanyl)stannyl]sulfanyl}acetate
    • RefChem:588621
    • Dimethyltinbis(isooctylthioglycolate)
    • Dimethyltinbis(isooctylmercaptoacetate);
    • DimethylzinnS,S'bis(isooctylthioglycolat)
    • Tin, dimethyl, bis(isooctylthioglycollate)
    • Dimethyltin S,S'bis(isooctyl mercaptoacetate)
    • DIMETHYL-TIN BIS(ISOOCTYLTHIOGLYCOLLATE)
    • Stannane, bis(isooctyloxycarbonylmethylthio)dimethyl
    • BIS(2-ETHYLHEXYLOXYCARBONYLMETHYLTHIO)DIMETHYLSTANNANE
    • Tin, bis((carboxymethyl)thio)dimethyl-, diisooctyl ester (7CI)
    • Acetic acid, 2,2'((dimethylstannylene)bis(thio))bis, diisooctyl ester
    • 26636-01-1
    • bis(isooctylthioglycolate)dimethyltin
    • 6-methylheptyl 2-[dimethyl-[2-(6-methylheptoxy)-2-oxoethyl]sulfanylstannyl]sulfanylacetate
    • UNII-9AFG988025
    • Advastab TM 181S;
    • SCHEMBL29547169
    • DTXSID10883124
    • AKOS025293666
    • NS00051079
    • Dimethyl-s,s'-bis(2-ethylhexylmercaptoacetate)tin
    • Q27272276
    • 6-Methylheptyl 4,4,14-trimethyl-7-oxo-8-oxa-3,5-dithia-4-stannapenta-1-decanoate
    • 6-Methylheptyl 4,4,14-trimethyl-7-oxo-8-oxa-3,5-dithia-4-stannapentadecan-1-oate
    • ACETIC ACID, 2,2'-((DIMETHYLSTANNYLENE)BIS(THIO))BIS-, 1,1'- DIISOOCTYL ESTER
    • 26636-01-1

  • Applications

    Dimethyltin bis(isooctyl mercaptoacetate) (CAS 26636-01-1) is commonly used as a heat stabilizer for polyvinyl chloride (PVC) formulations, helping to suppress dehydrochlorination during processing at elevated temperatures. It can also function as a processing aid and stabilizer in other polymer systems used in coatings and adhesives. The compound, a tin(IV) mercaptide, may be employed as a catalyst or co-catalyst in certain polymerization or curing processes (for example in polyurethane or epoxy formulations) or as an intermediate for preparing other organotin stabilizers or additives. Its use is formulation-dependent and subject to local regulations and limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 12.92
    methanol 8.98
    isopropanol 10.7
    water 0.03
    ethyl acetate 48.19
    n-propanol 16.32
    acetone 51.52
    n-butanol 16.63
    acetonitrile 13.54
    DMF 100.7
    toluene 41.33
    isobutanol 13.8
    1,4-dioxane 83.31
    methyl acetate 35.31
    THF 298.77
    2-butanone 59.54
    n-pentanol 23.06
    sec-butanol 16.54
    n-hexane 3.58
    ethylene glycol 1.4
    NMP 233.38
    cyclohexane 11.94
    DMSO 79.22
    n-butyl acetate 72.01
    n-octanol 36.05
    chloroform 224.81
    n-propyl acetate 66.93
    acetic acid 30.21
    dichloromethane 176.55
    cyclohexanone 182.78
    propylene glycol 5.39
    isopropyl acetate 51.24
    DMAc 174.13
    2-ethoxyethanol 54.09
    isopentanol 18.46
    n-heptane 5.84
    ethyl formate 31.92
    1,2-dichloroethane 90.52
    n-hexanol 23.76
    2-methoxyethanol 45.3
    isobutyl acetate 56.79
    tetrachloromethane 25.56
    n-pentyl acetate 113.28
    transcutol 257.27
    n-heptanol 29.44
    ethylbenzene 28.89
    MIBK 55.74
    2-propoxyethanol 66.79
    tert-butanol 18.4
    MTBE 30.49
    2-butoxyethanol 80.42
    propionic acid 21.62
    o-xylene 30.52
    formic acid 7.77
    diethyl ether 25.31
    m-xylene 32.0
    p-xylene 37.72
    chlorobenzene 69.29
    dimethyl carbonate 19.9
    n-octane 4.1
    formamide 15.96
    cyclopentanone 235.68
    2-pentanone 59.44
    anisole 71.34
    cyclopentyl methyl ether 117.43
    gamma-butyrolactone 190.51
    1-methoxy-2-propanol 50.92
    pyridine 102.01
    3-pentanone 48.19
    furfural 172.64
    n-dodecane 3.06
    diethylene glycol 24.36
    diisopropyl ether 14.56
    tert-amyl alcohol 24.12
    acetylacetone 92.78
    n-hexadecane 3.66
    acetophenone 90.35
    methyl propionate 39.91
    isopentyl acetate 74.66
    trichloroethylene 231.82
    n-nonanol 37.3
    cyclohexanol 35.03
    benzyl alcohol 49.76
    2-ethylhexanol 25.51
    isooctanol 29.9
    dipropyl ether 39.08
    1,2-dichlorobenzene 75.94
    ethyl lactate 35.34
    propylene carbonate 111.44
    n-methylformamide 28.14
    2-pentanol 14.5
    n-pentane 2.54
    1-propoxy-2-propanol 70.45
    1-methoxy-2-propyl acetate 95.37
    2-(2-methoxypropoxy) propanol 86.78
    mesitylene 21.48
    ε-caprolactone 159.75
    p-cymene 27.27
    epichlorohydrin 214.17
    1,1,1-trichloroethane 102.51
    2-aminoethanol 6.58
    morpholine-4-carbaldehyde 183.94
    sulfolane 285.46
    2,2,4-trimethylpentane 3.5
    2-methyltetrahydrofuran 141.8
    n-hexyl acetate 111.38
    isooctane 2.28
    2-(2-butoxyethoxy)ethanol 113.32
    sec-butyl acetate 55.91
    tert-butyl acetate 78.08
    decalin 7.44
    glycerin 9.89
    diglyme 209.66
    acrylic acid 17.85
    isopropyl myristate 41.7
    n-butyric acid 44.09
    acetyl acetate 40.55
    di(2-ethylhexyl) phthalate 44.48
    ethyl propionate 48.01
    nitromethane 60.98
    1,2-diethoxyethane 99.34
    benzonitrile 59.54
    trioctyl phosphate 30.98
    1-bromopropane 47.15
    gamma-valerolactone 311.37
    n-decanol 25.19
    triethyl phosphate 38.41
    4-methyl-2-pentanol 14.51
    propionitrile 15.85
    vinylene carbonate 85.45
    1,1,2-trichlorotrifluoroethane 138.78
    DMS 51.76
    cumene 21.64
    2-octanol 27.02
    2-hexanone 75.25
    octyl acetate 52.98
    limonene 38.69
    1,2-dimethoxyethane 112.42
    ethyl orthosilicate 40.79
    tributyl phosphate 38.28
    diacetone alcohol 74.95
    N,N-dimethylaniline 58.25
    acrylonitrile 19.04
    aniline 38.53
    1,3-propanediol 11.8
    bromobenzene 82.06
    dibromomethane 110.43
    1,1,2,2-tetrachloroethane 210.65
    2-methyl-cyclohexyl acetate 81.73
    tetrabutyl urea 65.31
    diisobutyl methanol 20.76
    2-phenylethanol 52.01
    styrene 33.97
    dioctyl adipate 68.46
    dimethyl sulfate 46.99
    ethyl butyrate 65.8
    methyl lactate 25.62
    butyl lactate 79.76
    diethyl carbonate 36.83
    propanediol butyl ether 72.37
    triethyl orthoformate 61.7
    p-tert-butyltoluene 27.78
    methyl 4-tert-butylbenzoate 104.83
    morpholine 110.66
    tert-butylamine 11.52
    n-dodecanol 17.43
    dimethoxymethane 67.3
    ethylene carbonate 67.89
    cyrene 112.62
    2-ethoxyethyl acetate 128.85
    2-ethylhexyl acetate 67.31
    1,2,4-trichlorobenzene 102.12
    4-methylpyridine 102.52
    dibutyl ether 52.37
    2,6-dimethyl-4-heptanol 20.76
    DEF 73.94
    dimethyl isosorbide 223.85
    tetrachloroethylene 99.14
    eugenol 99.13
    triacetin 114.76
    span 80 89.36
    1,4-butanediol 7.73
    1,1-dichloroethane 78.41
    2-methyl-1-pentanol 24.72
    methyl formate 23.69
    2-methyl-1-butanol 17.92
    n-decane 6.49
    butyronitrile 22.27
    3,7-dimethyl-1-octanol 36.48
    1-chlorooctane 32.38
    1-chlorotetradecane 10.99
    n-nonane 5.93
    undecane 4.26
    tert-butylcyclohexane 6.05
    cyclooctane 4.74
    cyclopentanol 45.23
    tetrahydropyran 102.85
    tert-amyl methyl ether 36.75
    2,5,8-trioxanonane 138.16
    1-hexene 14.37
    2-isopropoxyethanol 48.98
    2,2,2-trifluoroethanol 16.67
    methyl butyrate 70.07

    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