4-sec-Butyl-2,6-di-tert-butylphenol
4-sec-Butyl-2,6-di-tert-butylphenol (CAS: 17540-75-9) is a sterically hindered phenol with the molecular formula C2H5CH(CH3)C6H2[C(CH3)3]2OH and a molecular weight of 262.43 g/mol. This compound serves as a valuable building block in organic synthesis. Its unique structure makes it useful in applications requiring antioxidant properties or as a precursor in the development of more complex molecules within the chemical and pharmaceutical industries.
- Synonyms
- C2H5CH(CH3)C6H2[C(CH3)3]2OH
![4-sec-Butyl-2,6-di-tert-butylphenol (C2H5CH(CH3)C6H2[C(CH3)3]2OH) — chemical structure, CAS 17540-75-9; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F17540-75-9.png&w=3840&q=75)
Organic Synthesis Intermediate
This sterically hindered phenol functions as a key intermediate in the synthesis of various organic compounds. Its structure allows for selective reactions, making it useful in multi-step synthetic pathways.
Antioxidant Research
Due to its phenolic structure and bulky tert-butyl groups, 4-sec-Butyl-2,6-di-tert-butylphenol exhibits antioxidant characteristics. It may be investigated for use in applications where oxidation prevention is critical.
Chemical Research and Development
As a laboratory reagent and building block, this compound is employed in research settings for exploring new chemical reactions and developing novel materials. Its specific steric and electronic properties can influence reaction outcomes.
| Molecular weight | 262.43 |
|---|---|
| Linear formula | C2H5CH(CH3)C6H2[C(CH3)3]2OH |
| Assay | 96% |
| Boiling point | 141-142 °C/10 mmHg(lit.) |
| Density | 0.902 g/mL at 25 °C(lit.) |
| Melting point | 25 °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 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-sec-Butyl-2,6-di-tert-butylphenol used for?
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4-sec-Butyl-2,6-di-tert-butylphenol is primarily used as a building block in organic synthesis and in chemical research and development. Its structure also suggests potential applications in antioxidant research.
What is the CAS number and chemical formula for 4-sec-Butyl-2,6-di-tert-butylphenol?
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The CAS number is 17540-75-9, and the linear chemical formula is C2H5CH(CH3)C6H2[C(CH3)3]2OH.
What grade and purity does Tech Serve Solutions supply for 4-sec-Butyl-2,6-di-tert-butylphenol?
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Tech Serve Solutions supplies 4-sec-Butyl-2,6-di-tert-butylphenol with a minimum assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
What are the safety and handling precautions for this compound?
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This compound is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory tract irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
How is 4-sec-Butyl-2,6-di-tert-butylphenol packed and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter since 1998, ensures appropriate packaging for safe handling, storage, and international shipment of chemicals like 4-sec-Butyl-2,6-di-tert-butylphenol, adhering to all relevant regulations.
How can I request a sample or a quote for 4-sec-Butyl-2,6-di-tert-butylphenol?
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To request a sample or a quote for 4-sec-Butyl-2,6-di-tert-butylphenol, please contact our sales team through the website or by calling us directly. Our team will be happy to assist you with your inquiry.
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