Sulfamic Acid is pure white crystal and can be used as bleaching agent, softing agent, acid cleaning, cleaner for china and metal cleaner. THE CERTIFICATE OF ANALYSIS FOR SULFAMIC ACID Specification Standard Result Appearance White crystals 2. ContentNH2SO3H �99.5 % 99.63 3.Sulfate SO4 �0.05 % 0.05 *****-soluble in water �0.02 % 0.012 5. Fe �10ppm ppm 7.5PPM 6.Water �0.1% 0.027 in 25KG PP bag 1 X 20 Foot Container= 25mt delivery: within 15 working days after receiving your advance