PAC nameDiammonium cerium(IV) nitrateOther namesCeric ammonium nitrate (CAN)IdentifiersCAS Number16774-21-33D model (JSmol)ChemSpider157072ECHA InfoCard100.037.100EC Number240-827-6PubChem CID180504InChIInChI=1S/Ce.6NO3.2H3N/c;6*2-1(3)4;;/h;;;;;;;2*1H3/q+4;6*-1;;/p+2Key: XMPZTFVPEKAKFH-UHFFFAOYSA-PInChI=1/Ce.6NO3.2H3N/c;6*2-1(3)4;;/h;;;;;;;2*1H3/q+4;6*-1;;/p+2Key: XMPZTFVPEKAKFH-SKRXCDHZAVSMILES[Ce+4].O=[N+]([O-])[O-].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH4+].[NH4+]PropertiesChemical formulaH8N8CeO18Molar mass548.22 g·mol−1Appearanceorange-red crystalsMelting point107 to 108 °C (225 to 226 °F; 380 to 381 K)Solubility in water141 g/100 mL (25 °C)227 g/100 mL (80 °C)StructureCrystal structureMonoclinicCoordination geometryIcosahedralHazardsGHS pictogramsGHS-pictogram-rondflam.svgGHS-pictogram-exclam.svg[1]GHS signal wordDangerGHS hazard statementsH272, H302, H315, H319, H335GHS PRECAUTIONARY statementsP220, P261, P305+351+338Related compoundsRelated compoundsAmmonium nitrateCerium(IV) oxideCerium nitrate hexahydrate, with the formula Ce(NO3)3.6H2O (CAS number 10294-41-4) is the most common nitrate of cerium(III). ... At 150 °C the hexahydrate loses water of crystallization to make a trihydrate, which itself decomposes above 200 °C. Cerous nitrate hexahydrate has pinacoidal triclinic crystals.