2-Chlorothioanisole
2-Chlorothioanisole (CAS: 17733-22-1), with the molecular formula ClC6H4SCH3 and a molecular weight of 158.65 g/mol, is a sulfur-containing organic compound. It is primarily utilised as a building block in chemical synthesis. Its structure, featuring both a chlorine atom and a methylthio group on a benzene ring, makes it a valuable intermediate for creating more complex organic molecules.
- IUPAC
- 2-Chlorophenyl methyl sulfide

Organic Synthesis Intermediate
2-Chlorothioanisole serves as a versatile intermediate in the synthesis of various organic compounds. Its reactive sites allow for further functionalisation in multi-step synthetic pathways.
Building Block for Complex Molecules
This compound acts as a fundamental building block, particularly in the development of novel pharmaceuticals and agrochemicals, where specific aromatic and sulfur functionalities are required.
Research and Development
Utilised in academic and industrial research settings for exploring new chemical reactions and developing new materials or active ingredients.
| Molecular weight | 158.65 |
|---|---|
| Linear formula | ClC6H4SCH3 |
| Assay | 96% |
| Boiling point | 239-240 °C(lit.) |
| Refractive index | n20/D 1.608(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 | 70 °C / 158 °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-Chlorothioanisole used for?
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2-Chlorothioanisole is primarily used as a building block in organic synthesis and as an intermediate for creating more complex molecules, particularly in research and development.
What are the CAS number and formula for 2-Chlorothioanisole?
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The CAS number for 2-Chlorothioanisole is 17733-22-1, and its molecular formula is ClC6H4SCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chlorothioanisole with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chlorothioanisole be handled?
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2-Chlorothioanisole is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area.
How is 2-Chlorothioanisole packed and exported?
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2-Chlorothioanisole is available for export globally by Tech Serve Solutions. Packaging details can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 2-Chlorothioanisole, please contact our sales team through the website or by phone.
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