Synthesis chemical lab is one of the leading whole sale and retail trader in coimbatore , we are the leading supplier of chemicals, speciality chemicals , and lab and commercial grade. Sodium tetraphenylborate is used as a precipitating reagent for potassium, as a protecting agent to protect amino acids. It is used in the preparation of N-acylammonium salts. It finds application as a phenyl donor in palladium-catalyzed cross-coupling reactions to prepare arylalkenes and biaryl compounds. An anionic compound that is used as a reagent for determination of potassium, ammonium, rubidium, and cesium ions. It also uncouples oxidative phosphorylation and forms complexes with biological materials, and is used in biological assays. Synthesis chemical lab.