Chemical Formula: H2NSO3H CAS No.: 5329-14-6 Appearance: White Crystal Packing: 25kg bag, 500kg bag, 1000kg bag Product Origin: Taiwan Specification: Sulphamic Acid: 99.8% Min. SO4: 0.02% Max. Fe: 5 ppm Max. Heavy Metal: 5 ppm Max. Moisture: 0.05% Max. Application: Widely used as an efficient descaling agent / cleaner / rust remover for machinery, as chlorine stabilizer in swimming pools and cooling towers, as pH adjustment for dyeing and other systems, etc.