Ammonium Bicarbonate E503, CAS No.1066-33-7, a white crystals or crystalline powder used as a raising agent in flat baked goods such as cookies and crackers and other similar applications in the food industry. It is an important food additive ingredient for various cookies and biscuits. Compared to baking soda, Ammonium Bicarbonate will not affect the taste of flat baked goods. As an experienced Ammonium Bicarbonate manufacturer and supplier, we has been supplying and exporting Ammonium Bicarbonate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Ammonium Bicarbonate Specification ITEM STANDARD Appearance White crystals or crystalline powder Assay (as NH4HCO3, %) 99.0-100.5 Chlorides (as Cl, %) 0.003 Sulfur compound (as SO4, %) 0.007 Residue after evaporation (%) 0.008 Specific optical rotation +20.5 ~ +21.5 Lead mg/kg Arsenic 2 mg/kg Total Heavy metal (as Pb) 10 mg/kg