For chemists, researchers, and procurement specialists in the chemical industry, understanding the specific properties and applications of chemical compounds is fundamental. 1,2-Benzenedicarboxylic acid, 3-nitro-, 1-ethyl ester, identified by its CAS number 16533-45-2, is a noteworthy organic compound that serves critical functions across several sectors, most notably in pharmaceuticals and cosmetics.

This compound, often referred to by its synonyms such as 2-Carboxy-3-ethyl nitrobenzoate or 2-(Ethoxycarbonyl)-6-nitrobenzoic acid, is typically supplied as a white powder. A key specification for its use is its purity, which is commonly stated as 98%. This high level of purity is essential for its application as a pharmaceutical intermediate, where precise molecular structures are crucial for drug synthesis and the creation of diagnostic reagents. The detailed molecular formula, C10H9NO6, and molecular weight of 239.18200, further define its chemical identity.

The utility of 1,2-Benzenedicarboxylic acid, 3-nitro-, 1-ethyl ester extends beyond the pharmaceutical realm. In the cosmetic industry, it can be employed as a specialized ingredient, contributing to the performance characteristics of various formulations. Manufacturers and formulators looking to source this chemical will often search for 'buy CAS 16533-45-2' or '1,2-Benzenedicarboxylic acid, 3-nitro-, 1-ethyl ester supplier China' to identify reliable vendors.

When engaging with suppliers, it is important to request detailed technical data, including physical properties like density (e.g., 1.421±0.06 g/cm³ at 20°C) and solubility (e.g., very slightly soluble at 0.77 g/L at 25°C). Understanding these parameters helps in assessing its suitability for specific reactions or formulations. Many manufacturers in China are well-equipped to provide this information and offer competitive pricing for wholesale purchases.

The designation of CAS 16533-45-2 as a pharmaceutical material, specifically within the diagnostic reagent category, highlights its importance in medical diagnostics. Its role as an intermediate means it's a key component in the production chain for essential medical products.

In essence, 1,2-Benzenedicarboxylic acid, 3-nitro-, 1-ethyl ester (CAS 16533-45-2) is a versatile and valuable chemical. Whether for pharmaceutical synthesis or cosmetic applications, sourcing from reputable manufacturers who guarantee high purity and provide comprehensive technical support is vital for successful outcomes.