Tris(2,4-di-tert-butylphenyl) phosphite
Tris(2,4-di-tert-butylphenyl) phosphite (CAS: 31570-04-4) is a key processing stabilizer for polymers. With a molecular weight of 646.92 g/mol, this organophosphorus compound functions by preventing polymer degradation during high-temperature processing. Its primary role is to protect polymers from thermal and oxidative breakdown, thereby enhancing the longevity and performance of finished plastic products. It is widely utilized across various polymer manufacturing sectors.
- Synonyms
- [[(CH3)3C]2C6H3O]3P
![Tris(2,4-di-tert-butylphenyl) phosphite ([[(CH3)3C]2C6H3O]3P) — chemical structure, CAS 31570-04-4; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F31570-04-4.png&w=3840&q=75)
Polymer Processing Stabilizer
Acts as a highly effective processing stabilizer for various polymers, protecting them from degradation during melt processing stages. It helps maintain the polymer's molecular weight and physical properties under thermal stress.
Antioxidant in Plastics
Functions as a secondary antioxidant, complementing primary antioxidants to provide comprehensive protection against oxidative degradation. This is crucial for extending the service life of polymeric materials.
Thermal Degradation Inhibitor
Inhibits thermal decomposition of polymers at elevated temperatures encountered during extrusion, injection moulding, and other manufacturing processes. This ensures consistent product quality and performance.
| Molecular weight | 646.92 |
|---|---|
| Linear formula | [[(CH3)3C]2C6H3O]3P |
| Assay | 98% |
| Application | Processing stabilizer for polymers |
| Melting point | 181-184 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tris(2,4-di-tert-butylphenyl) phosphite used for?
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Tris(2,4-di-tert-butylphenyl) phosphite is primarily used as a processing stabilizer and antioxidant for polymers, protecting them from degradation during high-temperature manufacturing processes.
What are the CAS number and formula for Tris(2,4-di-tert-butylphenyl) phosphite?
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The CAS number for Tris(2,4-di-tert-butylphenyl) phosphite is 31570-04-4. Its linear formula is [[(CH₃)₃C]₂C₆H₃O]₃P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(2,4-di-tert-butylphenyl) phosphite with a minimum purity of 98% (assay). This is a technical grade material, and TSS does not represent it as USP, BP, or EP.
How should Tris(2,4-di-tert-butylphenyl) phosphite be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the Safety Data Sheet (SDS) for detailed handling and hazard information. It is classified as Wassergefährdungsklasse (WGK) nwg in Germany, indicating no significant hazard to water.
Is Tris(2,4-di-tert-butylphenyl) phosphite a controlled substance?
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The provided data does not indicate that Tris(2,4-di-tert-butylphenyl) phosphite is a controlled substance.
How is Tris(2,4-di-tert-butylphenyl) phosphite packed and shipped?
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Tris(2,4-di-tert-butylphenyl) phosphite is available for export globally. Packaging details are confirmed upon order inquiry.
How can I request a quote or sample for Tris(2,4-di-tert-butylphenyl) phosphite?
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To request a quote or sample, please contact the Tech Serve Solutions sales team via our website or by phone, referencing product code 31570-04-4.
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