Chloramnicol feed grade manufacturer CAS NO.ï¼56-75-7 Characteristics White or white greenish-yellowish fme Crystaler Qualified Melting range 149-153â 150.6â Acidity Or Alkalinity 4.5-7.5 6.8 Sulted â¤0.1% 0.07% Heavy Metals â¤10ppm <10ppm Loss on drying â¤0.5% 0.17% Assay 98.0-102.0% ï¼dried substanceï¼ 99.33%