31886-41-6-Ammonium-Bismuth-Citrate100 Ammonium Bismuth Citrate Synonym: Citric acid ammonium bismuth salt CAS Number: 31886-41-6 Assay: 43-49% Formula: C₆H(₅+₄y)Bi(x)N(y)O₇ Molecular Weight: 1875 Physical Form: Other Packaging: Plastic Bottle