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Ethylenediamine Tetraacetic Acid is a Sequestering Chelating Agent. EDTA is a synthetic amino acid. It is widely known as EDTA. It is a white powder. EDTA Acid is insoluble in water. It is also named as Ethylenediamine Tetraacetate. It is widely used to dissolve Metallic Impurities. There are various Salts Derivatives of EDTA. EDTA is widely recognized as effective Sequestering Agent. EDTA grabs metallic cation such as Lead or Calcium from the process and forms a stable compound that is then excreted from the system. The stability of this bond is vital to get the success in removing the inorganic impurities out of the system. If the bond is weak, other chemicals can break this bond to form their own compounds. The compound was first prepared in 1935 by Ferdinand Munz, who prepared the compound from Ethylenediamine (EDA) and Monochloroacetic acid.Today, EDTA is synthesized on an industrial scale from Ethylenediamine (EDA), Formaldehyde, and Sodium cyanide (NaCN). The sodium salt of EDTA forms first in both processes and then can be converted to the acid form.
Phenylhydrazine Hydrochloride is a off-white to brown coloured crystalline powder. It decomposes at 250oC. Phenylhydrazine Hydrochloride is soluble in water. Phenylhydrazine Hydrochloride is prepared by oxidation of aniline with sodium nitrite in the presence of Hydrochloric acid to give Diazonium salt, which is further reduced using Sodium Sulphite in the presence of Sodium Hydroxide to give Phenylhydrazine Hydrochloride Hydrochloride.