Hi, we want to buy large quantity of 2-Acryloylamino-2-methyl-1-propanesulfonic ac 99.0% CAS No.: 15214-89-8 Specification Appearance: White powder granules Assay: Min 99.0% Moisture: Max 0.5% A(25% Aq. Solution): Max 100 Iron: Max 10ppm If you can supply, please us. Thanks! Charles zhou