The Ricca Chemical thymolphthalein indicator with a composition of 81.51% ethyl alcohol, 14.35% water, 4.07% methyl alcohol and 0.06% thymolphthalein, is used in pH indication of various solutions. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemical thymolphthalein TS/RS with a composition of 95.12% ethyl alcohol, 4.75% methyl alcohol and 0.13% thymolphthalein, is suitable for research and laboratory use. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemical thymol blue TS/RS with a composition of 95.12% ethyl alcohol, 4.75% methyl alcohol and 0.13% thymol blue, is suitable for research and laboratory use. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemical thymol blue indicator with a composition of 95.19% ethyl alcohol, 4.76% methyl alcohol and 0.05% thymol blue, is used in pH indication of various solutions. It can be stored at a temperature of 15 to 30 degree C.