Bicine, ULTROL® Grade A zwitterionic amino acid buffer active in the pH 7.6-9.0 range. Has a pKa of 8.26 at 25°C. Absorbance (5%, H2O, 250 nm): <0.05. 产品信息 Form White solid Molar mass 163.2 Purity >99% by titration Contaminants sulfate ≤0.005%; sodium ≤0.005% Heavy metals <0.0005% (as Pb) PKA 8.4 at 20°C Solubility H2O RTECS MB9700000 CAS number 150-25-4 Merck USA index 14, 1201 商店和运输信息 Storage +15°C to +30°C Ship Ambient Temperature Only Standard Handling