Quick Product Information

Product NameSUNNOX® PEP-36
CAS Number80693-00-1
Chemical FormulaC35H54O6P2
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

SUNNOX® PEP-36 is a pentaerythritol-based diphosphite processing stabilizer providing outstanding hydroperoxide decomposition and melt stability for polyolefins and styrenic polymers during processing. Its high molecular weight and hydrolytic stability offer superior performance compared to standard phosphite antioxidants in demanding applications. SUNCHEM supports international buyers with SUNNOX® PEP-36 sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • Processing stabilizer for polyolefins and styrenics
  • Hydrolysis-stable phosphite antioxidant
  • Color retention agent during polymer processing
  • Synergist with phenolic primary antioxidants
  • ABS and HIPS polymer stabilization
  • Polyolefin film and fiber processing additive
  • High-temperature extrusion stabilizer

Why Source SUNNOX® PEP-36 Through SUNCHEM?

SUNNOX® PEP-36 sourcing requires careful verification of manufacturers, compliance with export documentation, and proper logistics management. SUNCHEM supports global customers by connecting them with qualified Chinese producers and managing the key steps from sourcing to shipment.

Qualified Producer Selection

We help customers identify suitable Chinese manufacturers based on product specifications, production scale, quality records, and export capability.

Quality & Document Support

We coordinate documents including COA, MSDS, TDS, product specifications, and other export-related documents required for international trade.

Export & Logistics Coordination

SUNCHEM works with experienced logistics partners to ensure safe and compliant shipment arrangements, including proper handling for regulated materials.

Flexible Sourcing Solutions

Whether you require regular commercial supply, trial orders, or long-term procurement support, we match suitable supply sources to your requirements.

Long-Term Supply Management

We help manage supplier communication, quality follow-up, shipment schedules, and supply chain stability.

Ready to Source SUNNOX® PEP-36 from China?

Send us your required purity, quantity, destination port, and documentation needs. Our team will respond with quotation details and available product documents.

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Basic Info

Chemical Synonym(s)3,9-bis[2,6-bis(1,1-dimethylethyl)-4-methylphenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane;ADKStabPEP36;bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite;BIS(2,6-DITERTBUTYL-4-METHYLPHENYL)PENTAERYTHRITOLDIPHOSPHITE;4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis[2,6-bis(1,1-dChemicalbookimethylethyl)-4-methylphenox2;3,9-bis(2,6-di-tert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane;2,2'-Bis(2,6-di-tert-butyl-4-methylphenoxy)-5,5'-spirobi[1,3,2-dioxaphosphorinane];2,2'-Bis(2,6-di-tert-butyl-4-methylphenoxy)spiro[1,3,2-dioxaphosphorinane-5,5'-[1,3,2]dioxaphosphorinane]
CAS Number80693-00-1
Chemical Formula

C35H54O6P2

Frequently Asked Questions

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