Ammonium cerium(IV) sulfate

Ammonium cerium(IV) sulfate is an inorganic compound with the formula (NH4)4Ce(SO4)4·2H2O.

It is an orange-colored solid.

It is a strong oxidant, the potential for reduction is about +1.44V.

Cerium(IV) sulfate is a related compound.

A crystallographic study shows that the compound contains the Ce2(SO4)88− anion, where the cerium atoms are 9 coordinated by oxygen atoms belonging to sulfate groups, in a distorted tricapped trigonal prism.

NFPA 704 four-colored diamond Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform Flammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oil Instability (yellow): no hazard code Special hazard OX: Oxidizer. E.g. potassium perchlorate