ADEKA ADK STAB AO-50F (CAS 2082-79-3) Hindered Phenolic Antioxidant 1076 - Fine Grade for Plastics & Foam

ADK STAB AO-50F, also known as general antioxidant 1076, is a hindered phenolic primary antioxidant with CAS 2082-79-3 and chemical name octadecyl-3 -(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate . Core chemical parameters Chemical name : octadecyl-3 -(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (also known as: Antioxidant 1076, β-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate n-octadecyl alcohol ester) CAS number : 2082-79-3 molecular formula : C₃₅H₆₂O₃ molecular weight : 530.86-531  ,appearance traits white crystalline powder, odourless tasteless , melting point 50-52 ° C (literature value  49-54 ° C)   solubility: soluble in benzene, acetone, esters and other organic solvents, insoluble in water  main function : chain termination type main antioxidant, provide excellent process stability and long-term heat stability of oxygen, low volatile, discoloration resistance, good compatibility. Product Features and Applications Type : Highly efficient hindered phenolic antioxidant (non-polluting type)  Synergistic Effect : Used in combination with phosphite esters (such as antioxidant 168) to enhance process stability; When used in combination with sulfides, it enhances long-term thermal stability . Applicable substrates : polyolefins (PP/PE), ABS, PS, PA, PC, PVC, synthetic rubber, sealants, adhesives, etc.. Safe and compliant : slightly toxic (oral LD₅₀> 10,000 mg/kg in rats), approved by the United States, Europe and Japan for use as an indirect additive in food contact materials