3,4,5-Trimethylphenol
3,4,5-Trimethylphenol (CAS 527-54-8) is an organic compound with the linear formula (CH3)3C6H2OH and a molecular weight of 136.19 g/mol. This substituted phenol serves as a valuable building block in organic synthesis. It is primarily used in chemical research and the development of new chemical entities, contributing to advancements in materials science and the pharmaceutical industry.
- Synonyms
- 527-54-8(CH3)3C6H2OH

Organic Synthesis Intermediate
3,4,5-Trimethylphenol is employed as a precursor and intermediate in the synthesis of more complex organic molecules. Its phenolic structure allows for various electrophilic aromatic substitution and derivatization reactions.
Research and Development
This compound is utilised in academic and industrial research laboratories for exploring new chemical reactions, developing novel compounds, and investigating structure-activity relationships.
Material Science Applications
It may find use in the development of polymers, resins, or other advanced materials where its specific phenolic structure can impart desired properties.
| Molecular weight | 136.19 |
|---|---|
| Linear formula | (CH3)3C6H2OH |
| Assay | 97% |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2430 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-28-36/37/39-45 |
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 3,4,5-Trimethylphenol used for?
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3,4,5-Trimethylphenol is primarily used as a building block in organic synthesis and in chemical research and development, potentially contributing to material science applications.
What is the CAS number and formula for 3,4,5-Trimethylphenol?
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The CAS number for 3,4,5-Trimethylphenol is 527-54-8 and its linear formula is (CH3)3C6H2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,5-Trimethylphenol with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,4,5-Trimethylphenol be handled safely?
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3,4,5-Trimethylphenol is classified as Danger with hazard statement H314, indicating it causes severe skin burns and eye damage. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection, must be used. Handle in a well-ventilated area and follow all safety recommendations provided in the safety data sheet.
Is 3,4,5-Trimethylphenol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals like 3,4,5-Trimethylphenol, adhering to all relevant shipping and regulatory requirements.
How can I request a sample or quote for 3,4,5-Trimethylphenol?
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To request a sample or a quotation for 3,4,5-Trimethylphenol, please contact our sales department through the website or by phone, providing your specific requirements.
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