3-Ethylphenol
3-Ethylphenol (CAS: 620-17-7; Formula: C2H5C6H4OH) is a phenolic compound with a molecular weight of 122.16 g/mol. As a technical grade chemical, it finds utility as a chemical intermediate and in organic synthesis. Its established application includes its use as a standard in analytical methods for determining phenolic compounds in complex matrices such as cigarette smoke condensate. Tech Serve Solutions offers this compound for research and industrial applications.

Analytical Standard
3-Ethylphenol serves as a reference standard in analytical chemistry. It has been specifically utilised in solid-phase microextraction coupled with gas chromatography and selected ion mode mass spectrometry for the determination of phenolic compounds present in cigarette smoke condensate.
Organic Synthesis Intermediate
As an organic building block, 3-Ethylphenol is a valuable intermediate in the synthesis of more complex organic molecules. Its phenolic hydroxyl group and ethyl substituent offer reactive sites for various chemical transformations.
Research Chemical
This compound is suitable for use in laboratory research settings exploring phenol chemistry, reaction mechanisms, or developing new synthetic pathways. Its defined structure and properties make it a reliable reagent for experimental work.
| Molecular weight | 122.16 |
|---|---|
| Linear formula | C2H5C6H4OH |
| Assay | 80% |
| Grade | technical grade |
| Density | 1.001 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.533(lit.) |
| Application | 3-Ethylphenol was used as standard in solid-phase microextraction-gas chromatographic-selected ion mode mass spectroscopic determination of phenolic compounds in cigarette smoke condensate1. |


Hazard statements
- H302Harmful if swallowed
- 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 respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 94 °C / 201.2 °F |
| Transport (UN / ADR) | UN 3145 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34 |
| 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 3-Ethylphenol used for?
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3-Ethylphenol is primarily used as an analytical standard, particularly in the determination of phenolic compounds in cigarette smoke condensate. It also serves as a versatile intermediate in organic synthesis and for general laboratory research.
What are the CAS number and formula for 3-Ethylphenol?
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The CAS number for 3-Ethylphenol is 620-17-7, and its linear formula is C2H5C6H4OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethylphenol in technical grade with an assay of 80%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with 3-Ethylphenol?
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3-Ethylphenol is classified as dangerous. It is harmful if swallowed, in contact with skin, and if inhaled (H302 + H312 + H332). It also causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used.
How is 3-Ethylphenol packaged and shipped?
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3-Ethylphenol is shipped as a dangerous good under UN 3145, Class 8, Packing Group III. Packaging is designed to meet international shipping regulations for hazardous materials.
How can I request a quote or sample of 3-Ethylphenol?
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To request a quote or a sample of 3-Ethylphenol, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.
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