2-Ethylbenzenethiol
2-Ethylbenzenethiol (CAS: 4500-58-7; Formula: C2H5C6H4SH; MW: 138.23 g/mol) is an organic sulfur compound. Also known as 2-ethylthiophenol, this thiol is valuable in organic synthesis as a building block. It is primarily utilised in the creation of more complex molecules within the chemical and pharmaceutical industries. Tech Serve Solutions provides this reagent for research and development purposes.
- IUPAC
- 2-Ethylthiophenol

Organic Synthesis Intermediate
2-Ethylbenzenethiol serves as a versatile intermediate in the synthesis of various organic compounds. Its thiol group allows for diverse chemical transformations, making it useful in constructing complex molecular architectures for research.
Pharmaceutical Research
This compound can be employed as a building block in the early stages of pharmaceutical research and development. It aids in the creation of novel molecular entities for potential therapeutic applications.
Specialty Chemical Production
The unique structure of 2-Ethylbenzenethiol makes it a candidate for use in the synthesis of specialty chemicals. Its application may be found in the development of materials with specific properties.
| Molecular weight | 138.23 |
|---|---|
| Linear formula | C2H5C6H4SH |
| Assay | 90% |
| Boiling point | 203-205 °C(lit.) |
| Density | 1.025 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5682(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 81 °C / 177.8 °F |
| Transport (UN / ADR) | UN 3334 |
| 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 2-Ethylbenzenethiol used for?
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2-Ethylbenzenethiol is primarily used as a building block in organic synthesis and in pharmaceutical research. It is valuable for creating more complex molecules within the chemical industry.
What is the CAS number and chemical formula for 2-Ethylbenzenethiol?
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The CAS number for 2-Ethylbenzenethiol is 4500-58-7, and its chemical formula is C2H5C6H4SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylbenzenethiol with an assay of 90%. This product is intended for laboratory and research use, and TSS does not represent it as USP, BP, or EP grade.
How should 2-Ethylbenzenethiol be handled safely?
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2-Ethylbenzenethiol is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always wear appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation, using a suitable respirator if necessary. Consult the Safety Data Sheet (SDS) for detailed handling instructions.
Is 2-Ethylbenzenethiol regulated or a controlled substance?
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The provided data does not indicate that 2-Ethylbenzenethiol is a controlled substance. It is shipped under UN 3334.
How is 2-Ethylbenzenethiol packaged and shipped?
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2-Ethylbenzenethiol is shipped as UN 3334. Packaging details can be provided upon request, considering international shipping regulations for chemical substances.
How can I request a sample or quote for 2-Ethylbenzenethiol?
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To request a sample or a quote for 2-Ethylbenzenethiol, please contact our sales team through the website or by phone. Please specify the quantity required.
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