4,4′-Methylenebis(2,6-di-tert-butylphenol)
4,4′-Methylenebis(2,6-di-tert-butylphenol), CAS 118-82-1, is a hindered phenolic compound with a molecular weight of 424.66 g/mol. Its structure features two tert-butyl groups ortho to the hydroxyl functionalities, providing significant steric hindrance. This molecular architecture underpins its primary function as an effective antioxidant, safeguarding materials from oxidative degradation. It is widely employed in polymer science and materials science applications.
- Synonyms
- 118-82-1CH2[C6H2[C(CH3)3]2OH]2Bisphenol 2246
![4,4′-Methylenebis(2,6-di-tert-butylphenol) (CH2[C6H2[C(CH3)3]2OH]2) — chemical structure, CAS 118-82-1; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F118-82-1.png&w=3840&q=75)
Antioxidant for Polymers
This hindered phenol functions as a primary antioxidant, effectively scavenging free radicals that initiate polymer degradation. Its application helps to extend the service life and maintain the physical properties of various polymeric materials subjected to thermal or oxidative stress during processing and end-use.
Stabiliser in Materials Science
Utilised in materials science, it acts as a stabiliser to protect organic substrates from oxidative damage. Its sterically hindered nature contributes to low volatility and good compatibility within different material matrices, making it suitable for demanding applications.
Monomer Component
As a bisphenol derivative, it can serve as a monomer or co-monomer in the synthesis of specialised polymers, particularly those requiring enhanced thermal stability and oxidative resistance.
| Molecular weight | 424.66 |
|---|---|
| Linear formula | CH2[C6H2[C(CH3)3]2OH]2 |
| Assay | 98% |
| Boiling point | 289 °C/40 mmHg(lit.) |
| Application | Antioxidant. |
| Melting point | 155-159 °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) | 1 |
| 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 4,4′-Methylenebis(2,6-di-tert-butylphenol) used for?
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4,4′-Methylenebis(2,6-di-tert-butylphenol) is primarily used as an effective antioxidant and stabiliser in polymers and other organic materials to prevent degradation.
What are the CAS number and formula for this chemical?
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The CAS number is 118-82-1. The linear formula is CH2[C6H2[C(CH3)3]2OH]2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′-Methylenebis(2,6-di-tert-butylphenol) at a minimum purity of 98%. This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 4,4′-Methylenebis(2,6-di-tert-butylphenol) be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as causing skin irritation, serious eye irritation, and respiratory irritation (H315, H319, H335).
How is this chemical packed and exported?
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This chemical is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 4,4′-Methylenebis(2,6-di-tert-butylphenol), please contact our sales team through the website or by phone.
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