CAS 1185-81-5 Dabco T-12 FASCAT 4202 NSC 65503 Mellite 39
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CAS 1185-81-5 Dabco T-12 FASCAT 4202 NSC 65503 Mellite 39

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    • August 5, 2026 at 2:53 am
    newtopchem
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    CAS 1185-81-5 Dabco T-12 FASCAT 4202 NSC 65503 Mellite 39

    DI-N-BUTYLBIS(DODECYLTHIO)TIN
    CAS No.1185-81-5
    Chemical Name: DI-N-BUTYLBIS(DODECYLTHIO)TIN
    SynonymsUL 32;Mark A; dabco 120;NSC 65503;Mellite 39;Mellite 139;Fomrez UL 32;Thermolite 20;Advastab tm 918; Bis(dodecylthio)dibutyltin
    CBNumber:CB7413786
    Molecular Formula:C32H68S2Sn
    Molecular Weight:635.72
    MDL Number:MFCD00077992

    Business and technology contact： sales@newtopchem.com
     
    Brand Designation / Product Code Table
    Brand / Manufacturer Product Grade / Code Notes
    Dabco (Evonik / ex-Air Products) Dabco T-12 Evonik’s benchmark dibutyltin dilaurate product line (covers CAS 77-58-7 / 1185-81-5).
    FASCAT (PMC Organometallics) FASCAT 4202 Standard dibutyltin dilaurate organotin grade under PMC’s FASCAT line.
    Jeffcat (Huntsman) N/A (Not Applicable) Huntsman reserves the Jeffcat brand line strictly for amine/organic catalysts.
    KAOLIZER (Kao Corporation) N/A (Not Applicable) KAOLIZER is Kao’s brand dedicated exclusively to amine catalysts.
    Lupragen (BASF) N/A (Not Applicable) BASF’s Lupragen portfolio consists entirely of amine-based catalysts.
    Polycat (Evonik) N/A (Not Applicable) Polycat is designated specifically for Evonik’s specialty tertiary amine catalysts.
    Tegoamin (Evonik) N/A (Not Applicable) Tegoamin is reserved for amine-based foam catalysts.
    Toyocat (Tosoh) N/A (Not Applicable) Toyocat is Tosoh’s proprietary amine catalyst brand line.
    U-CAT (San-Apro) N/A (Not Applicable) U-CAT is used primarily for amine, imidazole, and specialty organic catalysts.

    DI-N-BUTYLBIS(DODECYLTHIO)TIN Properties
    Melting point -10℃
    Boiling point 160°C 10mm
    Density 1,04 g/cm3
    vapor pressure 0Pa at 25℃
    refractive index 1.4992
    Flash point >204°C
    form liquid
    Specific Gravity 1.045
    InChI InChI=1S/2C12H26S.2C4H9.Sn/c2*1-2-3-4-5-6-7-8-9-10-11-12-13;2*1-3-4-2;/h2*13H,2-12H2,1H3;2*1,3-4H2,2H3;/q;;;;+2/p-2
    InChIKey FFGHLLOLFQHABK-UHFFFAOYSA-L
    SMILES [Sn](CCCC)(CCCC)(SCCCCCCCCCCCC)SCCCCCCCCCCCC
    LogP 3.11 at 22℃

    SAFETY
    Signal word Danger
    Hazard statements H341-H360-H372-H312-H317-H410-H315-H360FD
    Precautionary statements P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P201-P202-P281-P308+P313-P405-P501-P264-P280-P302+P352-P321-P332+P313-P362-P260-P264-P270-P314-P501-P280-P302+P352-P312-P322-P363-P501-P273-P391-P501
    Risk Statements 23/24/25
    Safety Statements 26-36/37/39
    RIDADR 2788
    TSCA TSCA listed
    REACH Registrations Active

    DI-N-BUTYLBIS(DODECYLTHIO)TIN Chemical Properties,Uses,Production
    General Description
    Brown solid.

    Air & Water Reactions
    DI-N-BUTYLBIS(DODECYLTHIO)TIN may be sensitive to air or heat. . Insoluble in water.

    Reactivity Profile
    An organometallic. Strongly reactive with many other groups. Incompatible with acids and bases. Organometallics are good reducing agents and therefore incompatible with oxidizing agents. Often reactive with water to generate toxic or flammable gases.

    Fire Hazard
    DI-N-BUTYLBIS(DODECYLTHIO)TIN is probably combustible.

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