T 2385 (OTTO) Tris hydrochloride, 98%+ Cas 1185-53-1 - used as a buffer solution for staining procedure, reduction and alkylation studies and in situ hybridization procedure. T 2385 (OTTO) Tris hydrochloride, 98%+ Cas 1185-53-1 - used as a general reagent for the preparation of all types of Tris buffers.