Ethylene Glycol Bis(2-aminoethyl)tetraacetic Acid (EGTA), with its CAS number 67-42-5, is a critical chelating agent that plays a significant role in various scientific disciplines, most notably in biochemistry and analytical chemistry. Its specific molecular formula, C14H24N2O10, and molecular weight of 380.35 g/mol, define its structure, which is optimized for selective metal ion chelation, particularly for calcium ions.

The primary advantage of EGTA lies in its superior affinity for calcium ions (Ca2+) over magnesium ions (Mg2+). This selectivity is crucial for researchers studying calcium-mediated cellular processes, such as signal transduction, enzyme regulation, and muscle contraction. By using EGTA to precisely control the concentration of free calcium ions in an experimental system, scientists can unravel the specific roles of calcium without the confounding effects of magnesium. This capability makes EGTA an essential reagent for purchase in many life science laboratories engaged in detailed physiological and biochemical research. The ability to buy EGTA of high purity ensures the reliability of experimental outcomes.

In the field of analytical chemistry, EGTA is widely employed as a complexing and masking agent. Its ability to form stable complexes with metal ions makes it invaluable for trace metal analysis, particularly in volumetric and photometric methods. By chelating interfering ions, EGTA enhances the accuracy and sensitivity of analytical measurements, ensuring that the quantification of target analytes is precise. This makes EGTA a standard component in many analytical laboratories performing quality control or research and development.

While the article does not detail the specific synthesis routes for EGTA, the availability of this compound from various chemical suppliers suggests well-established manufacturing processes. The market for chelating agents like EGTA is driven by the continuous growth in biotechnology, pharmaceuticals, and environmental science. The increasing understanding of cellular signaling pathways and the need for accurate analytical techniques ensure a steady demand for high-quality EGTA. Companies involved in the production and distribution of specialty chemicals recognize EGTA's market relevance, offering it in various grades and packaging sizes to meet diverse research and industrial needs.

In conclusion, Ethylene Glycol Bis(2-aminoethyl)tetraacetic Acid (EGTA) is a cornerstone chemical in modern scientific research. Its unique selectivity for calcium ions and its robust performance in both biochemical studies and analytical procedures underscore its importance. The consistent demand and availability of EGTA from suppliers reflect its indispensable role in advancing scientific understanding and technological applications.