Sodium chromate is the inorganic compound with the formula Na2CrO4. It exists as a yellow hygroscopic solid, which can form tetra-, hexa-, and decahydrates. It is an intermediate in the extraction of chromium from its ores.

Application

Sodium chromate tetrahydrate can be used as an oxidant in organic synthesis and also as a carrier electrolyte in the capillary electrophoresis.