Processing stabilization
Helps decompose hydroperoxides generated during thermal processing of polymer materials.
| Nome do produto | SUNNOX® 168 |
|---|---|
| Número CAS | 31570-04-4 |
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gap: 15px; text-align: center; } .sc-section { padding: 40px 20px; } } Home › Polymers & Materials › Plastic Additives › Antioxidant 168 Antioxidante 168 Supplier for Polymer Processing SUNNOX® 168 is a phosphite secondary antioxidant for polymer processing. Used with phenolic primary antioxidants, it helps improve stability during thermal processing. CAS 31570-04-4 · Phosphite antioxidant · White crystalline powder Request a Quote Request COA / TDS 🧪 Polymer Processing Illustration Overview Benefits Specifications Applications Packaging Buyer Information Buyer Guide RFQ FAQ SUNNOX® 168 Nº CAS. 31570-04-4 Type Phosphite · Secondary antioxidant Appearance White crystalline powder Assay ≥99.0% Documents COA / FDS / TDS Product Overview Antioxidant 168 decomposes hydroperoxides formed during polymer thermal processing. The supplied TDS describes use with phenolic primary antioxidants such as 1010 ou 1076 in polyolefins, polyamide, polycarbonate and ABS. Select the grade and combination against your resin, processing conditions and agreed specification. The specifications below are from the SUNNOX-168 TDS. Confirm the specification for the offered grade before ordering. Key Benefits Processing stabilization Helps decompose hydroperoxides generated during thermal processing of polymer materials. Complementary protection Used with phenolic primary antioxidants as part of a combined stabilization system; the TDS states that it is generally not used alone. Multiple polymer families The TDS lists PE, PP, PA, PC and ABS. Suitability and addition level need evaluation in the intended formulation. Technical Specifications Specifications from the SUNNOX-168 TDS. Confirm agreed limits before ordering; request a batch COA for supplied material. Parameter Information Product Name Antioxidant 168 Brand SUNNOX® 168 Nº CAS. 31570-04-4 Chemical Name Tris(2,4-di-terc-butilfenil) phosphite Molecular Formula C42H63O3P Molecular Weight 646 Antioxidant Type Phosphite / secondary antioxidant Appearance White crystalline powder Assay ≥99.0% Melting Point 183–187 °C Light Transmittance (425 nm) ≥98% Light Transmittance (500 nm) ≥98% Volatile Matter ≤0.5% (105 °C, 2 horas) Applications by Polymer Industry Choose a material family to review its application context. These are the polymer families listed in the supplied TDS. 📦 Polymer Applications PE & PP — Polyolefins PA — Polyamide PC — Polycarbonate ABS — Acrylonitrile Butadiene Polyolefin Processing — PE & PP The supplied TDS identifies polyethylene and polypropylene as application materials for antioxidant systems containing 168 and phenolic primary antioxidants. What to confirm for your application Specify the PE or PP resin grade and the processing operation. Include existing stabilizers and any masterbatch carrier in the evaluation. Agree trial conditions and acceptance criteria before changing the package. Discuss this application → Polyamide Processing — PA Polyamide is listed in the TDS as an application material. Review the proposed antioxidant combination for the specific PA grade and production conditions. What to confirm for your application Identify the PA grade and relevant processing history. Provide the complete additive package for compatibility review. Confirm performance through application-specific trials. Discuss this application → Polycarbonate Processing — PC Polycarbonate is included in the TDS application list. The TDS does not provide a universal dosage or a PC-specific performance guarantee. What to confirm for your application Identify the PC grade and whether the material is a blend. State the processing conditions and target material properties. Evaluate the proposed system against the currently approved formulation. Discuss this application → ABS Resin Processing ABS resin is listed as a potential application for combined antioxidant systems. Selection should consider the actual resin formulation and processing requirements. What to confirm for your application Provide the ABS grade and any other additives in the system. Describe the processing issue and expected heat history. Confirm dosage and suitability in a documented trial. Discuss this application → Embalagem & Storage Packaging 25 kg net bags or cartons, as stated in the supplied TDS. Customer-specific packaging may be arranged; confirm the configuration in the quotation. Storage Protect from moisture and heat, following the supplied TDS. Confirm grade-specific handling instructions in the SDS. No storage temperature or shelf life is stated in this TDS. Intended use For general chemical use; not for use as a food additive, as stated in the TDS. Food-contact suitability is a separate, nota- and end-use-specific documentation review. Technical & Buying Information Selecting an Antioxidant System Customer Requirement Selection Direction Processing stability during extrusion or molding Antioxidant 168 Long-term oxidative stability Primary phenolic antioxidant Processing + long-term protection Primary + secondary antioxidant combination PE / PP processing 168 commonly used as part of antioxidant systems Masterbatch production Consider compatibility with complete additive package Antioxidant Comparison Product Type Main Role Typical Use SUNNOX® 168 Fosfito / Secondary Processing stabilization Combined with primary antioxidant SUNNOX® 1010 Fenólico / Primary Long-term oxidative protection Primary stabilization SUNNOX® 1076 Fenólico / Primary Long-term oxidative protection Primary stabilization SUNNOX® DLTDP Thioester / Secondary Long-term heat-aging support Synergistic with primary antioxidants Available Documents COA Certificate of Analysis — Batch-specific quality information TDS Technical Data Sheet — Product specification and information SDS Safety Data Sheet — Handling and safety information Specification For supplier qualification and comparison Packing Info Packaging configuration and shipping details Regulatory Docs Available based on grade, application and destination Antioxidante 168 Buyer Guide Define the processing problem Record the resin grade, processing sequence and observed change. Distinguish protection during processing from long-term service performance. Include rework or recycled content where relevant. Review the complete formulation Identify existing stabilizers, pigmentos, fillers and processing aids. The TDS describes combinations with phenolic primary antioxidants; it does not prescribe one dosage or blend ratio for every resin. Compare documents and run a trial Compare the offered specification, test conditions and batch COA with your approved requirements. Evaluate a candidate under documented processing conditions before approving a production change. Confirm the supply and end-use requirements Agree packaging, quantidade, destination and required documents. Check any end-use approvals separately from processing performance. A matching CAS number alone does not qualify a replacement grade. Have an Existing Grade? Share the product name, TDS or COA for specification matching. Prepare Your RFQ Review document options → Request a Quotation for Antioxidant 168 Start with your polymer, required quantity and destination. Include your current grade or specification if available. Information Example Polymer / Material PP, Educação Física, composto, masterbatch Application Injection molding, extrusão, filme, fiber Current Antioxidant Existing grade or supplier Required Specification TDS, COA or target parameters Quantity Trial order / monthly / annual requirement Packaging Standard or required packaging Destination Country and port Regulatory Requirement Food contact, customer standard, etc. Send RFQ by Email Contact SUNCHEM Related Antioxidants 1010 PHENOLIC SUNNOX® 1010 A hindered phenolic primary antioxidant used for long-term thermal oxidative stabilization in polyolefins and engineering plastics. View product → 1076 PHENOLIC SUNNOX® 1076 A phenolic antioxidant suitable for polymer systems requiring long-term oxidative protection in plastics and elastomers. View product → DLTDP THIOESTER SUNNOX® DLTDP A thioester secondary antioxidant typically used with primary antioxidants for improved long-term heat-aging performance. View product → DSTDP THIOESTER SUNNOX® DSTDP A thioester antioxidant used as a synergistic secondary stabilizer in polymer formulations. View product → Antioxidante 168 Frequently Asked Questions Which polymers are listed in the Antioxidant 168 TDS? The supplied TDS lists polyethylene (Educação Física), polipropileno (PP), polyamide (PA), policarbonato (computador) and ABS. These are application families, not blanket approval for every formulation or finished article. Confirm the grade, additive package and processing requirements before selection. Pode antioxidante 168 be used alone? The supplied TDS states that it is generally used with phenolic primary antioxidants such as 1010 ou 1076. It does not specify a universal addition level or mixing ratio. Select and evaluate the combination for the actual polymer formulation. Can I qualify a second supply source without changing my approved specification? Use your current approved specification as the starting point and ask whether the proposed supply option can be assessed against it. Keep the document comparison, sample evaluation and internal approval steps separate. A second source should remain a candidate until your qualification process is complete. Can we start a discussion if our formulation is confidential? You can begin with non-confidential information such as the polymer family, aplicativo, processing concern and required product specification. Identify which details cannot be shared openly and ask how a more detailed technical exchange can be arranged. Is a small sample enough to approve a commercial order? A sample can support an initial evaluation, but the scope of approval depends on your qualification procedure and the representativeness of the material tested. Before relying on the result, confirm the sample identity, accompanying documentation and relationship to the proposed commercial grade. What should I do if the received COA differs from the agreed specification? Identify the specific parameter, unit or test method that differs and send the agreed specification together with the relevant COA to the supply contact. Ask for clarification before accepting the material into the approved process. Discuss Your Antioxidant 168 Requirements Send your application, specification and quantity to request a quotation or supporting documents. Send RFQ by Email Request COA / TDS SUNCHEM SUNCHEM helps global buyers source specialty chemicals from China with reliable documentation, coordenação de exportação e apoio ao abastecimento. 📧 david@sunchemgroup.com 📱 +86-18605204888 Escritórios: Yangzhou · Hong Kong · Osaka · Seoul Request Quote Featured Chemicals Plastic Additives Organic Solvents Water Treatment Pharma Intermediates Specialty Chemicals Company About Us Logistics Quality Control Supplier Management Contact Us Support & Legal Request Quotation COA / FDS / TDS Export Documentation Privacy Policy Terms & Conditions SunChem Group © 2026 All Rights Reserved Privacy Policy Terms & Conditions function showPanel(panelId) { // Hide all panels const panels = document.querySelectorAll('.application-panel'); panels.forEach(panel => panel.classList.remove('active')); // Show selected panel const selectedPanel = document.getElementById('panel-' + panelId); if (selectedPanel) { selectedPanel.classList.add('active'); } // Update button states const buttons = document.querySelectorAll('.application-tabs button'); buttons.forEach(btn => btn.style.borderColor = 'transparent'); event.target.style.borderColor = '#28A39A'; event.target.style.background = '#e8f7f5'; } // Set first panel as active on page load window.addEventListener('DOMContentLoaded', function() { const firstButton = document.querySelector('.application-tabs button'); if (firstButton) firstButton.click(); }); |
| Origem do Fornecimento | China |
| Documentos | COA / FDS / TDS / Especificação disponível mediante solicitação |
| Investigação | Solicitar cotação → |
SUNNOX® 168 is a phosphite processing stabilizer (equivalent to Irgafos® 168) based on tris(2,4-di-terc-butilfenil) fosfito, providing excellent processing stability and color retention for polyolefins and engineering plastics. It works synergistically with hindered phenolic antioxidants to provide comprehensive thermal and oxidative protection during polymer processing. SUNCHEM apoia compradores internacionais com SUNNOX® 168 fornecimento de produtores chineses qualificados, com documentação de qualidade, coordenação de exportação, e apoio logístico.
SUNNOX® 168 o fornecimento requer verificação cuidadosa dos fabricantes, conformidade com a documentação de exportação, e gestão logística adequada. A SUNCHEM apoia clientes globais conectando-os com produtores chineses qualificados e gerenciando as principais etapas desde a origem até o envio.
Ajudamos os clientes a identificar fabricantes chineses adequados com base nas especificações do produto, escala de produção, registros de qualidade, e capacidade de exportação.
Coordenamos documentos incluindo COA, MSDS, TDS, especificações do produto, e outros documentos relacionados à exportação necessários para o comércio internacional.
A SUNCHEM trabalha com parceiros logísticos experientes para garantir acordos de remessa seguros e em conformidade, incluindo o manuseio adequado de materiais regulamentados.
Se você precisa de fornecimento comercial regular, ordens de teste, ou apoio a aquisições de longo prazo, combinamos fontes de fornecimento adequadas às suas necessidades.
Ajudamos a gerenciar a comunicação com fornecedores, acompanhamento de qualidade, cronogramas de remessa, e estabilidade da cadeia de abastecimento.
Envie-nos a pureza necessária, quantidade, porta de destino, e necessidades de documentação. Nossa equipe responderá com detalhes da cotação e documentos do produto disponíveis.
| Sinônimo Químico(s) | P 48 (estabilizador);PKY 168;PL10;PT 10 (estabilizador);Fosfato 6;Fosfito 168;Pronox S;RA 168;RA 168(antioxidante);Songnox 1200;Songnox 1680;Sumilizador P 16;Tomifós 202;Tri(2,4-di-t-butilfenil) fosfito;Ultranox 668;Tris-(2,4-di-t-butil-fenil)-fosfito;Fenol,2,4-bis(1,1-dimetiletil)-, fosfito (3:1) (9CI);Fenol, 2,4-di-terc-butil-,fosfito (3:1) (8CI);2,4-Bis(1,1-dimetiletil)fosfito de fenol (3:1);ADK 2112;Apunhalada ADK 2112;ADK Facada 2112RG;COMO 2112;NO 168;Alcanox 240;Antioxidante 168;B 311;Chinox 168;Cianox2704;Doverphos S 480;Hostanox PAR 24;Irgafos 168;Irgafos 168FF;Irgafos F.;Irganox 168;JP 650;Marco 2112E;Naugard 524; | ||||||||||||||||||||||||||||||||||||||||||||||
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| Número CAS | 31570-04-4 | ||||||||||||||||||||||||||||||||||||||||||||||
| Fórmula química |
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Antioxidante 168 Supplier for Polymer ProcessingSUNNOX® 168 is a phosphite secondary antioxidant for polymer processing. Used with phenolic primary antioxidants, it helps improve stability during thermal processing. CAS 31570-04-4 · Phosphite antioxidant · White crystalline powder
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Polymer Processing Illustration
Visão geral do produtoAntioxidante 168 decomposes hydroperoxides formed during polymer thermal processing. The supplied TDS describes use with phenolic primary antioxidants such as 1010 ou 1076 in polyolefins, polyamide, polycarbonate and ABS. Select the grade and combination against your resin, processing conditions and agreed specification. The specifications below are from the SUNNOX-168 TDS. Confirm the specification for the offered grade before ordering.
Key BenefitsProcessing stabilizationHelps decompose hydroperoxides generated during thermal processing of polymer materials. Complementary protectionUsed with phenolic primary antioxidants as part of a combined stabilization system; the TDS states that it is generally not used alone. Multiple polymer familiesThe TDS lists PE, PP, PA, PC and ABS. Suitability and addition level need evaluation in the intended formulation.
Especificações TécnicasSpecifications from the SUNNOX-168 TDS. Confirm agreed limits before ordering; request a batch COA for supplied material.
Applications by Polymer IndustryChoose a material family to review its application context. These are the polymer families listed in the supplied TDS. 📦
Polymer Applications
Polyolefin Processing — PE & PPThe supplied TDS identifies polyethylene and polypropylene as application materials for antioxidant systems containing 168 and phenolic primary antioxidants. What to confirm for your application
Polyamide Processing — PAPolyamide is listed in the TDS as an application material. Review the proposed antioxidant combination for the specific PA grade and production conditions. What to confirm for your application
Polycarbonate Processing — PCPolycarbonate is included in the TDS application list. The TDS does not provide a universal dosage or a PC-specific performance guarantee. What to confirm for your application
ABS Resin ProcessingABS resin is listed as a potential application for combined antioxidant systems. Selection should consider the actual resin formulation and processing requirements. What to confirm for your application
Embalagem & StorageEmbalagem25 kg net bags or cartons, as stated in the supplied TDS. Customer-specific packaging may be arranged; confirm the configuration in the quotation. StorageProtect from moisture and heat, following the supplied TDS. Confirm grade-specific handling instructions in the SDS. No storage temperature or shelf life is stated in this TDS. Intended useFor general chemical use; not for use as a food additive, as stated in the TDS. Food-contact suitability is a separate, nota- and end-use-specific documentation review.
Technical & Buying Information
Antioxidante 168 Guia do compradorDefine the processing problemRecord the resin grade, processing sequence and observed change. Distinguish protection during processing from long-term service performance. Include rework or recycled content where relevant. Review the complete formulationIdentify existing stabilizers, pigmentos, fillers and processing aids. The TDS describes combinations with phenolic primary antioxidants; it does not prescribe one dosage or blend ratio for every resin. Compare documents and run a trialCompare the offered specification, test conditions and batch COA with your approved requirements. Evaluate a candidate under documented processing conditions before approving a production change. Confirm the supply and end-use requirementsAgree packaging, quantidade, destination and required documents. Check any end-use approvals separately from processing performance. A matching CAS number alone does not qualify a replacement grade.
Request a Quotation for Antioxidant 168Start with your polymer, required quantity and destination. Include your current grade or specification if available.
Related Antioxidants
1010
PHENOLIC SUNNOX® 1010A hindered phenolic primary antioxidant used for long-term thermal oxidative stabilization in polyolefins and engineering plastics.
1076
PHENOLIC SUNNOX® 1076A phenolic antioxidant suitable for polymer systems requiring long-term oxidative protection in plastics and elastomers.
DLTDP
THIOESTER SUNNOX® DLTDPA thioester secondary antioxidant typically used with primary antioxidants for improved long-term heat-aging performance.
DSTDP
THIOESTER SUNNOX® DSTDPA thioester antioxidant used as a synergistic secondary stabilizer in polymer formulations.
Antioxidante 168 Perguntas frequentesWhich polymers are listed in the Antioxidant 168 TDS?The supplied TDS lists polyethylene (Educação Física), polipropileno (PP), polyamide (PA), policarbonato (computador) and ABS. These are application families, not blanket approval for every formulation or finished article. Confirm the grade, additive package and processing requirements before selection. Pode antioxidante 168 be used alone?The supplied TDS states that it is generally used with phenolic primary antioxidants such as 1010 ou 1076. It does not specify a universal addition level or mixing ratio. Select and evaluate the combination for the actual polymer formulation. Can I qualify a second supply source without changing my approved specification?Use your current approved specification as the starting point and ask whether the proposed supply option can be assessed against it. Keep the document comparison, sample evaluation and internal approval steps separate. A second source should remain a candidate until your qualification process is complete. Can we start a discussion if our formulation is confidential?You can begin with non-confidential information such as the polymer family, aplicativo, processing concern and required product specification. Identify which details cannot be shared openly and ask how a more detailed technical exchange can be arranged. Is a small sample enough to approve a commercial order?A sample can support an initial evaluation, but the scope of approval depends on your qualification procedure and the representativeness of the material tested. Before relying on the result, confirm the sample identity, accompanying documentation and relationship to the proposed commercial grade. What should I do if the received COA differs from the agreed specification?Identify the specific parameter, unit or test method that differs and send the agreed specification together with the relevant COA to the supply contact. Ask for clarification before accepting the material into the approved process.
Discuss Your Antioxidant 168 RequirementsSend your application, specification and quantity to request a quotation or supporting documents.
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Sim. SUNCHEM ajuda compradores internacionais a adquirir SUNNOX® 168 de produtores chineses qualificados e apoia a cotação, documentação, embalagem, e coordenação de exportação de acordo com as necessidades do cliente.
O número CAS do SUNNOX® 168 é 31570-04-4.
Os documentos disponíveis podem incluir COA, FDS / MSDS, TDS, especificação do produto, informações de embalagem, e outros documentos relacionados à exportação, dependendo da disponibilidade do fornecedor e dos requisitos do pedido.
Sim. Para pedidos adequados, SUNCHEM pode coordenar COA e MSDS / Documentos SDS para revisão do cliente antes do envio.
Forneça o nome do produto, Número CAS, pureza ou especificação necessária, quantidade do pedido, porto ou país de destino, requisitos de embalagem, e quaisquer documentos necessários.
Sim. SUNCHEM pode coordenar a documentação de exportação, discussão sobre embalagens, e acordos logísticos com parceiros experientes de acordo com as propriedades do produto e requisitos de destino.
SUNNOX® 168 pode estar sujeito a controle regulatório em determinados países ou regiões. Os clientes devem confirmar os requisitos de importação locais antes de fazer um pedido. A SUNCHEM pode apoiar a documentação e a coordenação de remessas com base nos requisitos comerciais aplicáveis.
Sim. SUNCHEM pode apoiar o fornecimento regular, ordens de teste, e projetos de aquisição de longo prazo, combinando produtores chineses adequados e acompanhando a qualidade, documentos, cronogramas de remessa, e estabilidade do fornecimento.