Scientific name: ammonium manganese(III) pyrophosphate
Inorganic compound: synthetic
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Function in Products
Manganese violet is the inorganic compound called ammonium manganese(III) pyrophosphate. The formula indicates that pyrophosphate (P2O74-), ammonium (NH4+), and manganese(IIII) comprise this solid. It is prepared by heating a mixture of Mn2O3, diammonium phosphate and phosphoric acid. This material is a popular inorganic pigment.