Related Categories Alphabetical, BioUltra Buffers, Buffer Solutions, Optimization Reagents, X-Ray Crystallography, 更多... InChI Key BNIILDVGGAEEIG-UHFFFAOYSA-L product line BioUltra concentration 0.5 M in H2O impurities insoluble matter, passes filter test ≤0.001% total nitrogen (N) pH 8.8-9.4 (25 °C, 0.5 M in H2O) solubility H2O: 0.5 M at 20 °C, clear, colorless