2-Acrylamido-2-methylpropane sulfonic acid (AMPS) was a Trademark name by The Lubrizol Corporation. It is a reactive, hydrophilic, sulfonic acid acrylic monomer used to alter the chemical properties of wide variety of anionic polymers. In the 1970s, the earliest patents using this monomer were filed for acrylic fiber manufacturing.
ATBS Granular Grades. Chemical Names. 2-Acrylamido-2-Methylpropane Sulfonic Acid; Acrylamido-tert-Butyl Sulfonic Acid. CAS Number. 15214-89-8. Molecular Weight. 207.25. Molecular Formula. C 7 H 13 NO 4 S