CAS Number: 6153-56-6 \n \nMolecular Formula: <span class="LrzXr kno-fv wHYlTd z8gr9e">C<sub>2</sub>H<sub>2</sub>O<sub>4</sub></span><span class="ILfuVd"><span class="hgKElc">·2H<sub>2</sub>O</span></span>
For rust and mineral stain removal.