4-tert-Butyl-5-methoxycatechol
4-tert-Butyl-5-methoxycatechol (CAS: 91352-66-8), with the molecular formula C11H16O3 and a molecular weight of 196.24 g/mol, is a specialised organic compound. It serves as a valuable building block in chemical synthesis, particularly within organic chemistry research and development. Its catechol structure, functionalised with tert-butyl and methoxy groups, offers unique reactivity for creating more complex molecules and exploring novel chemical pathways.
- IUPAC
- 4-tert-Butyl-5-methoxy-1,2-benzenediol

Organic Synthesis Intermediate
Utilised as a foundational component in multi-step organic syntheses. Its specific functional groups enable targeted reactions for the construction of complex molecular architectures.
Research and Development
Employed in academic and industrial laboratories for exploring new chemical entities and reaction mechanisms. Its unique structure makes it suitable for investigating structure-activity relationships.
Building Block for Fine Chemicals
Serves as a precursor in the synthesis of various fine chemicals, where precise molecular design is essential. It contributes to the development of specialised compounds with specific properties.
| Molecular weight | 196.24 |
|---|---|
| Empirical formula | C11H16O3 |
| Storage temperature | −20°C |

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) | 3 |
| 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-tert-Butyl-5-methoxycatechol used for?
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4-tert-Butyl-5-methoxycatechol is primarily used as a building block in organic synthesis and in research and development for creating complex molecules.
What is the CAS number and chemical formula for 4-tert-Butyl-5-methoxycatechol?
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The CAS number is 91352-66-8, and the chemical formula is C11H16O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-tert-Butyl-5-methoxycatechol primarily for chemical synthesis and research purposes. The specific grade and purity are available upon request, and TSS does not represent this product as USP, BP, or EP grade.
How should 4-tert-Butyl-5-methoxycatechol be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes. Ensure adequate ventilation. It is classified as a warning substance with hazards H315, H319, and H335.
How is 4-tert-Butyl-5-methoxycatechol packed, shipped, and exported?
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4-tert-Butyl-5-methoxycatechol is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample for 4-tert-Butyl-5-methoxycatechol?
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To request a quote or sample of 4-tert-Butyl-5-methoxycatechol, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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