Phthalazine
Phthalazine (CAS: 253-52-1), with the molecular formula C8H6N2 and a molecular weight of 130.15, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to further functionalization, making it a useful intermediate for creating more complex molecular architectures in research and development settings.

Chemical Synthesis Intermediate
Phthalazine is employed as a fundamental intermediate in the synthesis of various organic compounds. Its nitrogen-containing heterocyclic structure is a key feature for building more complex molecules.
Research and Development
This compound is utilised in academic and industrial research laboratories for the exploration of new chemical entities and synthetic pathways. It's a useful tool for developing novel materials and pharmaceuticals.
Heterocyclic Chemistry
As a pyridazine derivative, Phthalazine is significant in the study and application of heterocyclic building blocks. It contributes to the development of diverse chemical scaffolds.
| Molecular weight | 130.15 |
|---|---|
| Empirical formula | C8H6N2 |
| Assay | 98% |
| Boiling point | 189 °C/29 mmHg(lit.) |
| Melting point | 89-92 °C(lit.) |

Hazard statements
- H341Suspected of causing genetic defects
Precautionary statements
- P281Use personal protective equipment as required
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 68 |
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 Phthalazine used for?
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Phthalazine is used as a building block and intermediate in chemical synthesis, particularly in heterocyclic chemistry and research and development.
What are the CAS number and formula for Phthalazine?
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The CAS number for Phthalazine is 253-52-1, and its molecular formula is C8H6N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phthalazine with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product data.
How should Phthalazine be handled?
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Phthalazine is classified as suspected of causing genetic defects (H341). Handle with appropriate personal protective equipment, including P281 (Use personal protective equipment as required).
How is Phthalazine packaged and shipped?
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Phthalazine is carefully packaged to ensure integrity during transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Phthalazine?
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Please contact our sales team or use the online enquiry form to request a sample or a detailed quote for Phthalazine.
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