6-Phenyl-3(2H)-pyridazinone
6-Phenyl-3(2H)-pyridazinone (CAS: 2166-31-6), with the molecular formula C10H8N2O and a molecular weight of 172.18, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis and is categorised within bioactive small molecules and pyridazines. This compound finds utility in research and development for various chemical applications, contributing to advancements in synthetic chemistry and related fields.

Chemical Synthesis Intermediate
This compound acts as a versatile intermediate in organic synthesis. Its heterocyclic structure makes it suitable for constructing more complex molecules and exploring novel chemical pathways.
Building Block for Heterocycles
As a pyridazine derivative, 6-Phenyl-3(2H)-pyridazinone is a key building block for the synthesis of various heterocyclic compounds, which are prevalent in medicinal chemistry and materials science.
Research and Development
Utilised in laboratory settings for R&D purposes, this chemical enables researchers to investigate new reactions, develop novel compounds, and study structure-activity relationships in diverse chemical entities.
| Molecular weight | 172.18 |
|---|---|
| Empirical formula | C10H8N2O |
| Assay | 98% |
| Melting point | 201-204 °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.
| Gene Information | human ... PTPRA(5786) |
|---|
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 6-Phenyl-3(2H)-pyridazinone used for?
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6-Phenyl-3(2H)-pyridazinone is primarily used as a building block in chemical synthesis, particularly for creating more complex heterocyclic compounds, and for general research and development in organic chemistry.
What are the CAS number and formula for 6-Phenyl-3(2H)-pyridazinone?
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The CAS number for 6-Phenyl-3(2H)-pyridazinone is 2166-31-6, and its molecular formula is C10H8N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Phenyl-3(2H)-pyridazinone with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 6-Phenyl-3(2H)-pyridazinone be handled safely?
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Handle 6-Phenyl-3(2H)-pyridazinone with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. This compound may cause skin, eye, and respiratory irritation (H315-H319-H335).
How is 6-Phenyl-3(2H)-pyridazinone packed and exported?
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6-Phenyl-3(2H)-pyridazinone is carefully packed according to industry standards for safe transport and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 6-Phenyl-3(2H)-pyridazinone?
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To request a sample or a quote for 6-Phenyl-3(2H)-pyridazinone, please contact our sales team via the website or by phone.
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