Sulfamic Acid ACS Reagent, CAS 5329-14-6. Sulfamic Acid is a molecular compound with the formula of NH2SO3H. The molar mass of Sulfamic Acid is 97.10 g/mol with a density of 2.15 g/cm3. The melting point of Sulfamic Acid occurs at 205 deg C and is moderately soluble in water. GFS Chemicals offers…