For any chemical synthesis to be successful, the purity and precise specifications of the starting materials are paramount. 4-Fluorobenzaldehyde, a key intermediate with CAS number 459-57-4, is no exception. NINGBO INNO PHARMCHEM CO.,LTD. understands the critical need for high-quality intermediates and provides detailed specifications for its 4-Fluorobenzaldehyde product, ensuring its suitability for demanding applications in pharmaceuticals, dyes, and agrochemicals.

The assay of 4-Fluorobenzaldehyde is typically specified as ≥99.50%. This high purity level is essential because impurities, even in small amounts, can interfere with sensitive chemical reactions. For instance, in pharmaceutical synthesis, trace impurities could lead to the formation of undesired side products, potentially impacting the safety and efficacy of the final drug. Similarly, in dye manufacturing, impurities can affect the color hue, intensity, and stability of the resulting dyes. NINGBO INNO PHARMCHEM CO.,LTD. maintains stringent quality control measures to ensure that the 4-Fluorobenzaldehyde supplied consistently meets this high purity standard.

Beyond the overall assay, specific impurity limits are also crucial. The specifications often include maximum acceptable percentages for related compounds such as 2-Fluorobenzaldehyde, 3-Fluorobenzaldehyde, benzaldehyde, and 4-Fluorobenzyl chloride. For example, the levels of 2-Fluorobenzaldehyde and 3-Fluorobenzaldehyde are typically kept below 0.05% and 0.10% respectively. Benzaldehyde and 4-Fluorobenzyl Chloride are also controlled to very low limits, often ≤0.05% and ≤0.10%. Adhering to these precise impurity profiles is vital for predictable reaction outcomes and the creation of high-quality end products.

The physical appearance is another key specification. 4-Fluorobenzaldehyde is described as a colorless to pale yellow liquid, a visual indicator of its purity. Deviations from this expected appearance might suggest contamination or degradation. Furthermore, parameters like free acid content (often ≤0.30%) are also monitored. These detailed specifications are not merely technical data points; they are the foundation upon which reliable chemical manufacturing is built. NINGBO INNO PHARMCHEM CO.,LTD. ensures that all batches of 4-Fluorobenzaldehyde are accompanied by comprehensive documentation, including certificates of analysis, to verify compliance with these critical specifications.

For anyone involved in organic synthesis, selecting a supplier that guarantees the purity and accurate specifications of intermediates like 4-Fluorobenzaldehyde is essential. NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing the chemical industry with intermediates that meet the highest standards, thereby facilitating innovation and the successful production of advanced chemical products.