The Ricca Chemical crystal violet indicator with a composition of 99.05% acetic acid and 0.95% gentian violet, is suitable for use in paper dyeing and textile industry. It can be stored at a temperature of 15 to 30 degree C. 1% (w/v) in glacial acetic acid gentian violet indicator for nonaqueous titrations

The Ricca Chemical color reagent with a composition of 82.32% water, 13.68% phosphoric acid, 3.81% sulfanilamide, 0.19% N-(1-naphthyl) ethylenediamine dihydrochloride, is suitable for use in chemical element determination in solution. It can be stored at a temperature of 15 to 30 degree C.