Naproxen, with its CAS number 22204-53-1, presents as a white or almost white crystalline powder, possessing a characteristic odorless and tasteless profile. Its solubility in ethanol and glacial acetic acid, contrasted with its low solubility in water and benzene, are key chemical properties that influence its formulation and absorption. The melting point of Naproxen, typically between 152-154 °C, is also a significant characteristic for identification and quality control.

When it comes to safe usage, Naproxen is generally recommended to be taken with food or shortly after eating to minimize potential gastrointestinal irritation. Adhering to the lowest effective dose for the shortest possible duration is paramount, as NSAIDs, including Naproxen, carry a risk of gastrointestinal and cardiovascular side effects. Storage recommendations emphasize a cold and dry place to maintain the integrity of the Naproxen powder. Understanding these chemical properties and usage guidelines is vital for both consumers and manufacturers to ensure the safe and effective application of this important pharmaceutical intermediate.

The availability of Naproxen powder with high purity (>99%) and certifications like ISO 9001, USP, and BP is a testament to the quality standards maintained in its production. These aspects are critical for any supplier or buyer in the pharmaceutical industry, ensuring that the Naproxen supplied meets stringent regulatory requirements for its intended use in pain management and anti-inflammatory applications.