4,5-Dichloro-2-methyl-3(2H)-pyridazinone
4,5-Dichloro-2-methyl-3(2H)-pyridazinone (CAS: 933-76-6), a halogenated heterocyclic compound, presents as a molecular entity with a formula of C5H4Cl2N2O and a molecular weight of 179.00 g/mol. This pyridazinone derivative is primarily utilised as a versatile building block in organic synthesis and chemical research. Its structure lends itself to further functionalisation in the development of complex molecules within various chemical and pharmaceutical research endeavours.
- IUPAC
- 4,5-Dichloro-2-methylpyridazin-3-one
- Synonyms
- C5H4Cl2N2O4,5-Dichloro-2-methylpyridazin-3-one
Organic Synthesis Intermediate
Serves as a crucial building block for constructing more complex organic molecules. Its dichlorinated pyridazinone core is amenable to various chemical transformations, facilitating the synthesis of novel compounds in research and development.
Heterocyclic Chemistry Research
Utilised in the study and synthesis of pyridazine derivatives. Its specific substitution pattern makes it valuable for exploring structure-activity relationships in medicinal chemistry and materials science.
Pharmaceutical Intermediate Development
Acts as a precursor in the multi-step synthesis of potential pharmaceutical agents. Researchers leverage this compound to access diverse chemical scaffolds for drug discovery programs.
| Molecular weight | 179.00 |
|---|---|
| Empirical formula | C5H4Cl2N2O |
| Assay | 97% |
| Melting point | 87-91 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| 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 4,5-Dichloro-2-methyl-3(2H)-pyridazinone used for?
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4,5-Dichloro-2-methyl-3(2H)-pyridazinone (CAS: 933-76-6) is primarily used as a building block in organic synthesis and as an intermediate in chemical research, particularly within heterocyclic chemistry and the development of potential pharmaceutical agents.
What is the CAS number and molecular formula for 4,5-Dichloro-2-methyl-3(2H)-pyridazinone?
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The CAS number for 4,5-Dichloro-2-methyl-3(2H)-pyridazinone is 933-76-6. Its empirical formula (Hill notation) is C5H4Cl2N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Dichloro-2-methyl-3(2H)-pyridazinone with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should 4,5-Dichloro-2-methyl-3(2H)-pyridazinone be handled?
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This compound carries significant hazards, indicated by GHS06 and the signal word 'Danger'. It is toxic if swallowed (H301), causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate PPE, including a dust mask (N95 or equivalent), eyeshields, face shields, and gloves, is essential. Handle in a well-ventilated area, avoiding dust formation.
How is this chemical shipped and exported?
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4,5-Dichloro-2-methyl-3(2H)-pyridazinone is classified under UN 2811, Hazard Class 6.1, Packing Group III. Tech Serve Solutions, as a global supplier, adheres to all relevant shipping and export regulations for hazardous materials.
How can I request a sample or quote?
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To request a sample or a quote for 4,5-Dichloro-2-methyl-3(2H)-pyridazinone, please contact the Tech Serve Solutions sales team via our website or by phone, referencing the product name and CAS number (933-76-6).
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