4-Ethylphenol
4-Ethylphenol (CAS: 123-07-9), a C8 aromatic organic compound with the formula C2H5C6H4OH and a molecular weight of 122.16 g/mol, is a phenol derivative. It is identified as a key phytochemical found in Aspalathus linearis (Rooibos tea). This compound serves as a valuable building block in chemical synthesis and is utilised in cell biology and nutrition research. Tech Serve Solutions supplies 4-Ethylphenol for laboratory and research applications.

Chemical Synthesis Intermediate
4-Ethylphenol functions as a versatile intermediate in organic synthesis. Its phenolic hydroxyl group and ethyl-substituted aromatic ring allow for various derivatisation reactions, making it useful for constructing more complex molecules.
Research in Cell Biology
As a naturally occurring phenolic compound, 4-Ethylphenol is employed in cell biology research. Its presence in natural products like Rooibos tea prompts investigations into its biological activities and potential cellular effects.
Nutrition Research
Identified as a phytochemical in dietary sources such as Rooibos tea, 4-Ethylphenol is of interest in nutrition research. Studies may focus on its metabolic pathways or its contribution to the overall bioactive profile of these sources.
Building Block for Organic Molecules
This compound serves as a fundamental organic building block, contributing its C8 aromatic structure to the development of novel chemical entities. Its reactivity makes it suitable for incorporation into diverse molecular frameworks.
| Molecular weight | 122.16 |
|---|---|
| Linear formula | C2H5C6H4OH |
| Assay | ≥97.0% (GC) |
| Boiling point | 218-219 °C(lit.) |
| Vapour pressure | 0.13 mmHg (20 °C) |
| Vapour density | 4.2 (vs air) |
| Melting point | 40-42 °C(lit.)41-44 °C |

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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 100 °C / 212 °F |
| Transport (UN / ADR) | UN 2430 8 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 4-Ethylphenol used for?
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4-Ethylphenol is used as a building block in chemical synthesis, in cell biology research, and in nutrition research. It is also a known phytochemical found in Aspalathus linearis (Rooibos tea).
What is the CAS number and formula for 4-Ethylphenol?
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The CAS number for 4-Ethylphenol is 123-07-9, and its molecular formula is C2H5C6H4OH.
What grade and purity does Tech Serve Solutions supply for 4-Ethylphenol?
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Tech Serve Solutions supplies 4-Ethylphenol with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the main safety hazards associated with 4-Ethylphenol?
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4-Ethylphenol is classified with the GHS symbol GHS05 and the signal word 'Danger'. It carries the hazard statement H314, indicating it causes severe skin burns and eye damage. Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used when handling.
How is 4-Ethylphenol packed, shipped, and exported?
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4-Ethylphenol is packed and shipped in compliance with transport regulations, noted as UN 2430, Class 8, Packing Group III. Tech Serve Solutions offers global export services.
How can I request a quote or sample of 4-Ethylphenol?
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To request a quote or a sample of 4-Ethylphenol, please contact our sales department via our website or listed phone number.
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