2-Chlorophenothiazine
2-Chlorophenothiazine (CAS: 92-39-7), with the molecular formula C12H8ClNS and a molecular weight of 233.72 g/mol, is a halogenated heterocyclic organic compound. This chemical serves as a valuable building block in organic synthesis, particularly for the creation of more complex molecules. It is frequently utilised in the development of pharmaceutical intermediates and research chemicals, owing to its distinct thiazine structure.
- IUPAC
- 2-Chlorothiodiphenylamine
- Synonyms
- 2-Chlorothiodiphenylamine

Organic Synthesis Intermediate
2-Chlorophenothiazine is a key intermediate in multi-step organic syntheses. Its structure allows for further functionalization, making it useful in the preparation of diverse organic compounds.
Pharmaceutical Research
This compound finds application in the synthesis of potential pharmaceutical agents and drug discovery programs. Its phenothiazine core is present in various biologically active molecules.
Material Science
Derivatives of phenothiazine, including those synthesised from 2-Chlorophenothiazine, have been explored for their electronic and optical properties in material science applications.
| Molecular weight | 233.72 |
|---|---|
| Empirical formula | C12H8ClNS |
| Assay | 95% |
| Melting point | 195-200 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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-Chlorophenothiazine used for?
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2-Chlorophenothiazine is primarily used as a building block in organic synthesis, especially for the preparation of pharmaceutical intermediates and other complex organic molecules.
What is the CAS number and chemical formula for 2-Chlorophenothiazine?
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The CAS number for 2-Chlorophenothiazine is 92-39-7, and its empirical formula (Hill notation) is C12H8ClNS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chlorophenothiazine with a minimum assay of 95%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 2-Chlorophenothiazine be handled?
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Handling 2-Chlorophenothiazine requires appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as an irritant to skin, eyes, and respiratory tract (H315, H319, H335).
Can I request a sample or quote for 2-Chlorophenothiazine?
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Yes, you can request a sample or a quote for 2-Chlorophenothiazine by contacting our sales department through the website or by phone.
How is 2-Chlorophenothiazine shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, including 2-Chlorophenothiazine, ensuring compliance with international shipping and export regulations.
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