2,5-Dimethylbenzenethiol
2,5-Dimethylbenzenethiol (CAS: 4001-61-0), also known as 2,5-dimethylthiophenol, is an organosulfur compound with the molecular formula C8H10S and a molecular weight of 138.23 g/mol. This thiol, supplied by TSS at a minimum assay of 98%, is a valuable building block in organic synthesis. Its characteristic sulfur functionality makes it useful for introducing sulfur into complex molecules, finding application in the preparation of specialty chemicals and research materials.
- IUPAC
- 2,5-Dimethylthiophenol
- Synonyms
- (CH3)2C6H3SH2,5-Dimethylthiophenol

Organic Synthesis Intermediate
2,5-Dimethylbenzenethiol serves as a key intermediate in the synthesis of more complex organic molecules. Its thiol group readily participates in various reactions, allowing for the formation of carbon-sulfur bonds crucial in many chemical structures.
Sulfur Compound Precursor
As a sulfur-containing aromatic compound, it is employed in the preparation of various sulfur derivatives. These can include thioethers, disulfides, and other organosulfur compounds used in materials science and medicinal chemistry research.
Laboratory Reagent
This chemical is utilized as a reagent in research and development laboratories. Its specific structure makes it suitable for investigating novel reaction pathways and developing new synthetic methodologies.
| Molecular weight | 138.23 |
|---|---|
| Linear formula | (CH3)2C6H3SH |
| Assay | 98% |
| Boiling point | 126.3 °C/50 mmHg(lit.) |
| Density | 1.02 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5698(lit.) |
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
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 2,5-Dimethylbenzenethiol used for?
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2,5-Dimethylbenzenethiol is primarily used as a building block and intermediate in organic synthesis, particularly for the preparation of various organosulfur compounds and in laboratory research.
What is the CAS number and formula for 2,5-Dimethylbenzenethiol?
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The CAS number for 2,5-Dimethylbenzenethiol is 4001-61-0, and its linear formula is (CH3)2C6H3SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dimethylbenzenethiol with a minimum assay of 98%. This is a technical or research grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,5-Dimethylbenzenethiol be handled safely?
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Handling 2,5-Dimethylbenzenethiol requires appropriate safety precautions. Based on its classification, avoid breathing dust/fume/gas/mist/vapours/spray and ensure thorough rinsing if it comes into contact with eyes, continuing for several minutes.
Is 2,5-Dimethylbenzenethiol a controlled substance?
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The provided data does not indicate that 2,5-Dimethylbenzenethiol is a controlled substance.
How is 2,5-Dimethylbenzenethiol packed and exported?
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2,5-Dimethylbenzenethiol is packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details for your order can be confirmed upon request.
How can I request a quote or sample for 2,5-Dimethylbenzenethiol?
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To request a quote or a sample of 2,5-Dimethylbenzenethiol, please contact our sales team through the website or by phone, providing your specific requirements.
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