... , mgKOH/g275±5275±5Melting piont, oC ≥185(decomposition)183(decomposition)Water content, %(m/m) ≤0.51Fe,%(m/m) ≤0.00050. ... cool, dry and well-ventilated area. The storage period is 1 year. Usage:2-Acrylamido-2-Methylpropane Sulfonic Acid (2-A2MPS ... can be widely used in the fields of oil chemistry, water-treatment, synthetic fiber, dyeing, plastic, absorbent coating, paper-making, biomedicine, magnetic ...