China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > Dilauryl thiodipropionate
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Dilauryl thiodipropionate 123-28-4
Category : Paint and Coatings/Inks and Printing Oil
CAS NO : 123-28-4 EC NO : 204-614-1 MF : C30H58O4S MW : 514.8441 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of Dilauryl thiodipropionate ? Appearance:white to off-white flake crystal Assay: 99% min by HPLC IR Identity: conform to standard HNMR： conform to standard carbon spectrum: conform to standard Water by K. F.:0.5% max or as per the customer’s request Loss on drying:0.5% max. or as per the customer’s request ============================================================================= Usage： As an antioxidant, it can be used as an antioxidant for oily foods and edible oils, as well as a preservative for fruits and vegetables. Used as an auxiliary antioxidant, it is widely used in polypropylene, polyethylene, and ABS resins, and can also be used in rubber processing lubricants. It can be widely used in synthetic materials such as polyethylene, polypropylene, ABS, PBT, and can also be used in rubber processing and lubricants ============================================================================== Usage: Widely used as an auxiliary antioxidant for polyolefins (such as polyethylene, polypropylene, ABS, PVC) and rubber. It works synergistically with phenolic main antioxidants (such as 1010, 1076) to decompose hydrogen peroxide and inhibit oxidation chain reactions; It is also allowed to be used for the preservation of edible oils and vegetables (maximum dosage of 0.2 g/kg, according to GB 2760-1996), and has the characteristics of non pollution, non coloring, low toxicity, and good thermal stability. =============================================================================== Synthesis route: It is mainly prepared by esterification of thiodipropionic acid with lauric alcohol (dodecanol). Common precursor pathways include: (1) Acrylonitrile route: 2CH ₂=CHCN+Na ₂ S → S (CH ₂ CH ₂ CN) ₂ (thiodipropionitrile), hydrolyzed by H ₂ SO ₄ to obtain thiodipropionic acid, and then esterified with 2C ₁ ₂ H ₂ ₅ OH under concentrated H ₂ SO ₄ catalysis and vacuum dehydration; (2) Acrylic acid route: 2CH ₂=CHCOOH+Na ₂ S → S (CH ₂ CH ₂ COONa) ₂, acidified (pH=1) to obtain thiodipropionic acid, which is vacuum esterified with lauryl alcohol using the same method (110 ° C,>0.097 MPa). The product is neutralized, washed, and dried to obtain the final product Uses : As an antioxidant, it can be used as an antioxidant for oily foods and edible oils, as well as a preservative for fruits and vegetables. Used as an auxiliary antioxidant, it is widely used in polypropylene, polyethylene, and ABS resins, and can also be us Synonyms : Didodecyl 3,3'-thiodipropionate;Propanoic acid, 3,3'-thiobis-, didodecyl ester;3,3'-Thiobispropionic acid, didodecyl ester;4-03-00-00744 (Beilstein Handbook Reference);AI3-25277;Advastab 800;Antioxidant AS;Antioxidant LTDP;BRN 1808848;Bis(dodecyloxycarbonylethyl) sulfide;CCRIS 3936;Carstab dltdp;Cyanox LTDP;D 1 (antioxidant);DLT;DLTP;Dilauryl 3,3'-thiodipropionate;Dilauryl thiodipropionic acid;Dilaurylester kyseliny beta',beta'-thiodipropionove [Czech];Dltdp;Dmptp;HSDB 353;Ipognox 89;Irganox PS 800;Lauryl 3,3'-thiodipropionate;Lusmit;Milban F;NSC 65494;Neganox DLTP;Plastanox LTDP;Plastanox LTDP Antioxidant;Propionic acid, 3,3'-thiobis-, didodecyl ester;Propionic acid, 3,3'-thiodi-, didodecyl ester;Stabilizer DLT;Thiobis(dodecyl propionate);Thiodipropionic acid, dilauryl ester;Tyox B;Dilaurylthiodipropionate;Propanoic acid, 3,3'-thiobis-, 1,1'-didodecyl ester;Dilauryl beta-thiodipropionate;Didodecyl 3,3-thiodipropionate;3,3-Thiodipropionic acid di-n-dodecyl ester;Dilauryl-3,3-thiodipropionate;Antioxidant DLTDP;Dydecyl Thiodipropionate;Thiodipropionic acid didodecylester;didodecyl 3,3'-sulfanediyldipropanoate;didodecyl 2,2'-sulfanediyldipropanoate;3,3'-Thiodipropionic acid didodecyl ester; Molecular Structure : 
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Dilauryl thiodipropionate