Tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate
Tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate (CAS: 40601-76-1), with molecular formula C42H57N3O6, is a specialised chemical compound utilised primarily as a polymer additive. It functions as a stabilizer, contributing to the longevity and performance of polymeric materials by mitigating degradation processes. This compound is vital in material science applications where enhanced durability and resistance to environmental factors are required.
- Synonyms
- C42H57N3O6

Polymer Stabilisation
This isocyanurate derivative serves as an effective antioxidant and thermal stabilizer for various polymers. It protects materials from degradation caused by heat, light, and oxidative stress during processing and end-use, extending product lifespan.
Material Science Research
Utilised in research and development settings within material science, this compound aids in the formulation and testing of advanced polymer systems. Its stabilising properties are investigated for novel applications requiring high performance and durability.
Polymer Additive Manufacturing
Incorporated into polymer formulations, it enhances the processing stability and long-term performance of plastics and resins. This is crucial for manufacturing applications where material integrity under stress is paramount.
| Molecular weight | 699.92 |
|---|---|
| Empirical formula | C42H57N3O6 |
| Assay | 97% |
| Melting point | 163-165 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate used for?
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This compound is primarily used as a stabilizer and antioxidant in polymer applications, enhancing the durability and processing of various materials.
What are the CAS number and molecular formula?
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The CAS number is 40601-76-1 and the molecular formula is C42H57N3O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety considerations when handling this chemical?
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This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use a dust mask (N95), safety eyewear, and gloves. Ensure adequate ventilation.
How is this chemical supplied and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, handling logistics and documentation for international shipments.
How can I request a sample or quote?
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Please contact our sales team via the website or provide your details for a prompt quotation or to arrange a sample.
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