Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt(CAS: 38820-59-6)

Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt is a white to off-white crystalline solid with a molecular weight of approximately 442.51 g/mol. It is soluble in water and ethanol. The compound exhibits acidic reactivity, with potential for corrosion inhibition properties. It has a pKa of about 2.6 and reacts with bases to form the corresponding salts.

Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt is synthesized by reacting hexane-1,6-diamine with phosphorous acid in the presence of a base like potassium hydroxide. The reaction yields the tetrakis salt, which is then purified by recrystallization. This process provides high selectivity and good yield.

Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt is used in the pharmaceutical industry for drug development, in the polymer industry for surface modification, in the semiconductor industry for etching processes, and in the sensor industry for enhancing sensitivity and selectivity.

When handling Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt, wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Store it in a cool, dry place away from heat sources and incompatible materials. Use a fume hood during handling and disposal to avoid inhalation or skin contact. Always refer to the Safety Data Sheet (SDS) for specific safety guidelines.