In this compound, neodymium exhibits the +3 oxidation state.

It has good thermal stability, and its pKsp,c is 21.86±0.11.

[2] Neodymium arsenate can be obtained from the reaction between sodium arsenate (Na3AsO4) and neodymium chloride (NdCl3) in solution:[3] When crystallizing from a lead pyroarsenate flux, neodymium arsenate crystals produced explode when cooled.

[4] Neodymium arsenate also occurs in nature as a mineral.

This inorganic compound–related article is a stub.