Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)
Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate) (CAS: 6683-19-8) is a high molecular weight hindered phenolic antioxidant. It is primarily employed to protect polymers from thermal and oxidative degradation during processing and end-use. Its sterically hindered phenolic groups effectively scavenge free radicals, thereby preventing chain scission, cross-linking, and discoloration. This compound finds significant application in various polymer systems requiring long-term thermal stability.
- IUPAC
- Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)
- Synonyms
- [HOC6H2[C(CH3)3]2CH2CH2CO2CH2]4CPentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)
![Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate) ([HOC6H2[C(CH3)3]2CH2CH2CO2CH2]4C) — chemical structure, CAS 6683-19-8; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F6683-19-8.png&w=3840&q=75)
Polymer Stabilisation
As a hindered phenolic antioxidant, this chemical effectively prevents the oxidative degradation of polymers. It scavenges free radicals, thereby preserving the mechanical properties and appearance of polymeric materials.
Thermal and Oxidative Protection
It provides excellent long-term thermal stability to polymers by inhibiting degradation pathways initiated by heat and oxygen. This is crucial for applications involving high processing temperatures or demanding service environments.
Antioxidant for Plastics
This compound is widely used in various plastic formulations to enhance their resistance to degradation. It helps maintain molecular weight and prevent embrittlement over time.
| Molecular weight | 1177.63 |
|---|---|
| Linear formula | [HOC6H2[C(CH3)3]2CH2CH2CO2CH2]4C |
| Assay | 98% |
| Application | Hindered phenolic antioxidant for polymers |
| Melting point | 115-118 °C (dec.)(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 Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate) used for?
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This compound is a hindered phenolic antioxidant primarily used for the thermal and oxidative stabilisation of polymers.
What is the CAS number and formula for this product?
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The CAS number is 6683-19-8. The linear formula is [HOC<sub>6</sub>H<sub>2</sub>[C(CH<sub>3</sub>)<sub>3</sub>]<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>2</sub>]<sub>4</sub>C.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 98%. It is not specified as USP, BP, or EP grade and is supplied for technical and research purposes.
What are the safety precautions when handling this chemical?
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When handling, it is recommended to use safety eyewear and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. The specific hazards will be detailed in the Safety Data Sheet (SDS).
Is this product suitable for export and international shipping?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and can arrange for international shipment.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by calling our office.
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