2-Acrylamido-2-Methylpropane Sulfonic Acid Acrylamido Tertiary Butyl Sulfonic Acid AMPS ATBS Name: 2-Acrylamido-2-Methylpropane Sulfonic AcidSynonym: Acrylamido Tertiary Butyl Sulfonic Acid or AMPS, ATBSCAS NO.: 15214-89-8EC NO.: 239-268- ... , absorbent coating, paper-making, biomedicine, magnetic material and cosmetics etc. Acrylamido Tertiary Butyl Sulfonic Acid (ATBS)