In the world of chemical procurement, the specifications and purity of a compound are often the most critical factors determining its suitability for a given application. For 5-Nitrosalicylic Acid (CAS 96-97-9), understanding these parameters is essential for researchers, formulators, and manufacturers. This article delves into the key specifications that define this important intermediate and what they mean for its users.

At the forefront of specifications for 5-Nitrosalicylic Acid is its purity, consistently cited as ≥99.0%. This high level of purity is not merely a number; it's a guarantee of minimal contaminants, which is particularly vital when the compound is used in the pharmaceutical industry. For instance, its role as an intermediate in the synthesis of Mesalazine API demands an exceptionally pure starting material to ensure the final drug product meets stringent regulatory requirements and clinical safety standards. Impurities could lead to reduced efficacy, unwanted side effects, or complicate the manufacturing process.

The appearance of 5-Nitrosalicylic Acid is typically described as a light yellow crystalline powder. This visual characteristic is another key identifier, providing an immediate indication of the product's physical state and general consistency. While appearance is a basic quality check, it is supported by more rigorous analytical methods to confirm identity and purity.

Other critical specifications often found on product datasheets include its melting point, which for 5-Nitrosalicylic Acid is usually in the range of 230-232℃. This sharp melting point range is indicative of a pure crystalline substance. Loss on drying, typically specified as ≤0.5%, quantifies the residual moisture content, another important parameter for chemical stability and accurate weighing in synthesis.

For chemical manufacturers and formulators, understanding these specifications allows for informed decisions when selecting a supplier. When you buy 5-Nitrosalicylic Acid, you are investing in a critical raw material. Ensuring that the supplier provides a product that consistently meets or exceeds these purity and specification benchmarks is paramount. Reputable manufacturers, especially those operating in China where significant production capacity exists, will readily provide detailed Certificates of Analysis (COA) that confirm these specifications.

The implications of sourcing a product with reliable specifications extend beyond immediate application. It contributes to process reproducibility, reduces the risk of batch failures, and ultimately safeguards the reputation of the end product. Therefore, when seeking a manufacturer or supplier for 5-Nitrosalicylic Acid (CAS 96-97-9), prioritizing companies that clearly outline and consistently deliver on these quality parameters is a wise procurement strategy.