Applications
It is used in the naphthoresorcinol test for uronic acids of Tollens and Rorive, a blue color can be extracted with ethanol after heating of uronic acids with naphthoresorcinol in hydrochloric acid. It is also employed as a reagent for various medical tests. It can also be used as a spot test reagent for glycerate.

Solubility
Soluble in ethanol (50 mg/ml), and water.

Notes
Light Sensitive. Store away from oxidizing agents and bases. Keep the container tightly closed in a cool, dry and well ventilated place.