Casno110178 fumaric acid - acid funarico - appearance fine white crystalline powder - testing in dry basis - 99.5 to 100.5% - 99.89% result - arsenic elt; 1ppm - carrying elt; 2ppm - residue on ignition% 12:02 - water 0:18% - en color co # 11 - maleic acid 12:01