2-CHLORO-2-PROPENOIC ACID 2-Chloroacrylic acid 2-Propenoic acid, 2-chloro- 4-02-00-01482 (Beilstein Handbook Reference) 598-79-8 Acrylic acid, 2-chloro- BRN 1098503 Chloroacrylic acid EINECS 209-953-9 NSC 97174