... compound known as tris(hydroxymethyl)aminomethane, with the formula (HOCH2)3CNH2. Tris is extensively used in biochemistry and molecular ... .FEATURESChemicals NameTris (Hydroxymethyl) AminomethaneCAS NO.:77-86-1Structure(HOCH2)3CNH3Molecular FormulaC4H11NO3CharacteristicWhite CrystalsMelting Point168-171°C,soluble in methanol, ... standard to standardize acid solutions for chemical analysis. (HOCH2)3CNH3