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Technical Data and Specifications for 4,5-Dichloro-3-hydroxypyridazine (CAS 932-22-9)

For scientists, researchers, and procurement specialists in the chemical industry, detailed technical specifications are the bedrock of informed decision-making. This article provides a comprehensive overview of the technical data for 4,5-Dichloro-3-hydroxypyridazine (CAS 932-22-9), a vital intermediate in numerous synthetic processes. Understanding these specifications is crucial for ensuring successful application and safe handling.

Understanding the Properties of 4,5-Dichloro-3-hydroxypyridazine

4,5-Dichloro-3-hydroxypyridazine is an organic compound known for its role as a building block in fine chemical synthesis. Key technical details often sought by industry professionals include:

  • Chemical Name: 4,5-Dichloro-3-hydroxypyridazine
  • CAS Number: 932-22-9
  • Synonyms: 4,5-Dichloro-3(2H)-pyridazinone, 4,5-Dichloropyridazin-3(2H)-one, 4,5-Dichloro-3-pyridazinol, among others.
  • Molecular Formula: C4H2Cl2N2O
  • Molecular Weight: 164.98 g/mol
  • Appearance: Typically described as a white to yellow crystalline powder.
  • Melting Point: Approximately 204-206°C (as per literature data). This high melting point indicates a stable solid at room temperature.
  • Solubility: Generally soluble in polar organic solvents such as DMSO and methanol, with slight solubility in water.
  • Purity: Manufacturers commonly offer this compound with a purity of 98% or higher, often verified by High-Performance Liquid Chromatography (HPLC).

Safety and Handling Information

As with any chemical intermediate, understanding the safety profile of 4,5-Dichloro-3-hydroxypyridazine is essential for safe laboratory and industrial practice. According to available Safety Data Sheets (SDS), it may be classified as an irritant. Common hazard statements include H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Precautionary statements often advise avoiding inhalation of dust/vapors and using appropriate personal protective equipment (PPE) such as gloves, eye protection, and respiratory protection.

Sourcing High-Quality Material

When procuring 4,5-Dichloro-3-hydroxypyridazine, it is vital to source from reputable manufacturers and suppliers who can provide accurate technical data and CoAs. Companies looking to buy this intermediate will often search for 'CAS 932-22-9 technical specifications' or '4,5-dichloro-3-hydroxypyridazine properties'. Understanding these details allows R&D scientists to confidently integrate this compound into their synthetic routes and ensures procurement teams can specify exact requirements when requesting quotes from manufacturers.

By leveraging this technical information, researchers and manufacturers can make informed decisions, ensuring the quality, safety, and efficacy of their chemical processes and final products.

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