Tris Base (Hydroxymethyl)-aminomethane

Molecular Biology Reagent Tris Base This is used in a number of Tris buffer products used in electrophoresis in the pH range 7.2-9.0. It does not precipitate calcium salts and useful in maintaining the solubility of manganese salts.

Technical Specification

M.W.(tris base / tris HCl) 121.1 / 157.6

Purity > 99.8%

Moisture < 1.0%

A280 (1.0M, water) < 0.05

Insolubles < 0.005%

Arsenic < 0.0005%

Copper < 0.0001%

Iron < 0.0001%

Magnesium < 0.0001%

Heavy metals (as Pb) < 0.0001%

DNase, RNase,protease none detected

Storage Room Temperature, dry

CAS 77-86-1