For professionals in the chemical and pharmaceutical industries, understanding the critical quality specifications of intermediates like 2-Bromochlorobenzene (CAS 694-80-4) is fundamental to ensuring the success of their synthesis projects and the quality of their final products. When a procurement manager searches for '2-bromochlorobenzene supplier' or looks to 'buy 2-bromochlorobenzene', they are typically focused on several key parameters that define the chemical's suitability for their specific applications.

Foremost among these specifications is the purity level. For 2-Bromochlorobenzene, a high assay, commonly ≥98% or often ≥99% (by GC analysis), is typically required. This high purity is crucial because impurities can interfere with reaction pathways, lead to unwanted side products, or compromise the efficacy of the final pharmaceutical or specialty chemical. Manufacturers often adhere to international standards like USP, BP, or EP when supplying for pharmaceutical applications, which further guarantees the quality and safety of the product.

The physical appearance is another important specification. 2-Bromochlorobenzene is consistently described as a clear, colorless to yellow-orange liquid. Any deviation from this description, such as the presence of significant turbidity or color, might indicate degradation or contamination, warranting further investigation before purchase.

Other critical physical properties that suppliers must provide include the melting point (typically -13 to -11°C) and boiling point (around 204°C). Density (approx. 1.638 g/mL at 25°C) and refractive index (n20/D 1.582) are also standard parameters that help confirm the identity and quality of the product. Water content, usually specified as ≤0.5%, is another key indicator of purity, as excessive moisture can negatively impact certain chemical reactions.

For procurement managers, reliable sourcing from a 'manufacturer in China' or other global regions involves verifying that the supplier provides comprehensive documentation. This includes Safety Data Sheets (SDS) for handling and safety information, and Certificates of Analysis (CoA) for each batch, detailing the precise test results against the stated specifications. Availability of these documents is often a prerequisite for B2B purchases.

When evaluating the 'price of 2-bromochlorobenzene', it's essential to consider that higher purity grades and adherence to strict quality standards will naturally command a premium. However, the long-term benefits of using a consistently high-quality intermediate, such as fewer batch failures and more reproducible results, often outweigh initial cost savings from lower-purity materials.

In summary, ensuring the quality of 2-Bromochlorobenzene (CAS 694-80-4) relies on a meticulous review of its purity, physical characteristics, and the documentation provided by the 'chemical supplier'. By prioritizing these specifications, researchers and procurement teams can confidently source this vital intermediate for their diverse chemical synthesis needs.