Phenothiazine
Phenothiazine (CAS: 92-84-2), a heterocyclic organic compound with the formula C12H9NS and a molecular weight of 199.27 g/mol, presents as a solid. This versatile building block is instrumental in chemical synthesis and finds significant application in materials science, particularly in the development of charge transport materials for organic electronics like OLEDs and PLEDs. Its chemical structure also makes it a precursor for various dyes and pharmaceuticals.

Organic Electronics
Phenothiazine serves as a key component in the synthesis of materials for organic light-emitting diodes (OLEDs) and polymer light-emitting diodes (PLEDs). Its electronic properties facilitate charge transport, enhancing device performance and efficiency in display and lighting technologies.
Chemical Synthesis
As a heterocyclic building block, Phenothiazine is a valuable intermediate in the synthesis of more complex organic molecules. It is employed in the preparation of various dyes, pharmaceuticals, and other fine chemicals where its core structure is incorporated.
Materials Science Research
This compound is utilised in materials science for its photosensitizing and charge transport capabilities. Researchers explore its derivatives for applications in areas such as organic photovoltaics and advanced functional materials.
| Molecular weight | 199.27 |
|---|---|
| Empirical formula | C12H9NS |
| Assay | ≥98% |
| Grade | Vetec™ reagent grade |
| Boiling point | 371 °C(lit.) |
| Melting point | 182-187 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H373May cause damage to organs through prolonged exposure
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Water hazard class (WGK, DE) | 1 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43-48/22-52/53 |
| Safety statements (S) | 36/37-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Target Organs | Blood |
|---|
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 Phenothiazine used for?
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Phenothiazine is primarily used as a building block in chemical synthesis and in materials science for developing charge transport and photosensitizing materials, particularly for OLED and PLED applications.
What are the CAS number and formula for Phenothiazine?
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The CAS number for Phenothiazine is 92-84-2, and its molecular formula is C12H9NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenothiazine in Vetec™ reagent grade with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should Phenothiazine be handled safely?
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Phenothiazine is harmful if swallowed, may cause an allergic skin reaction, may cause damage to organs (blood) through prolonged or repeated exposure, and is harmful to aquatic life with long lasting effects (H302-H317-H373-H412). Handle with appropriate personal protective equipment in a well-ventilated area and avoid release to the environment.
How is Phenothiazine packed and shipped?
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Phenothiazine is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for Phenothiazine?
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To request a sample or a quotation for Phenothiazine, please contact our sales team through the website or via direct inquiry.
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