Overview
Phenylbutazone is a nonsteroidal anti-inflammatory drug (NSAID) that was once widely used in human medicine but is now primarily restricted to veterinary applications. It is particularly effective in treating pain and inflammation in horses and livestock. The drug works by inhibiting cyclooxygenase (COX) enzymes, which reduces the production of prostaglandins, chemicals that promote inflammation, pain, and fever. Due to its potent effects, phenylbutazone was historically used to treat conditions like arthritis and gout in humans. However, its use in humans has been largely discontinued due to the risk of severe side effects, including bone marrow suppression and gastrointestinal bleeding. In veterinary medicine, it remains a valuable tool for managing musculoskeletal conditions in large animals.
Physical and Chemical Properties
Phenylbutazone is a white to off-white crystalline powder with a molecular weight of 308.38 g/mol. It has a melting point range of 104-107°C and a density of approximately 1.2 g/cm³. The compound is soluble in organic solvents like ethanol and acetone but only slightly soluble in water, which can affect its formulation and administration. The chemical stability of phenylbutazone is influenced by storage conditions. It should be kept in a cool, dry environment away from light and moisture to prevent degradation. The drug's solubility and stability are critical factors in its formulation for veterinary use, particularly in oral or injectable forms.
Main Applications
Phenylbutazone is primarily used in veterinary medicine to treat pain and inflammation in horses, cattle, and other large animals. It is commonly administered for conditions such as laminitis, arthritis, and musculoskeletal injuries. The drug's anti-inflammatory and analgesic properties make it a staple in equine and livestock care. In the past, phenylbutazone was also used in human medicine, but its application has been severely restricted due to adverse effects. Despite this, it remains an important drug in veterinary practice, where its benefits often outweigh the risks when used under professional supervision. Proper dosing and monitoring are essential to minimize potential side effects in animals.
Safety and Storage
Phenylbutazone must be handled with care due to its potential side effects. In humans, exposure can lead to serious conditions like aplastic anemia and gastrointestinal ulcers. Veterinary professionals should use protective equipment when handling the drug to avoid accidental ingestion or skin contact. Storage conditions are critical to maintaining the drug's efficacy. Phenylbutazone should be stored in a tightly sealed container in a cool, dry place, away from direct sunlight and moisture. Proper labeling and secure storage are essential to prevent misuse or accidental exposure, particularly in environments where both humans and animals are present.
B2B Procurement Guide
When procuring phenylbutazone for veterinary use, buyers should prioritize suppliers who comply with regulatory standards and provide certificates of analysis (CoA) to verify purity and stability. The reference price range is approximately $50-$100 per kg, but prices may vary based on quantity, purity, and supplier reputation. It is advisable to establish long-term relationships with reputable suppliers to ensure consistent quality and availability. Buyers should also stay informed about regulatory changes that may affect the drug's availability or usage restrictions. Proper documentation and traceability are essential for compliance and accountability in the supply chain.
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