三羟甲基氨基甲烷盐酸盐性质熔点150-152°C沸点225℃[at101325Pa]密度1.05g/mLat20°C蒸气压0Paat20℃储存条件roomtemp溶解度H2O:4Mat20°C,clear,colorless形态crystalline颜色clearcolorless(40%(w/w)iChemicalbooknH2O)solution酸度系数(pKa)8.1(at25℃)酸碱指示剂变色ph值范围7.0-9.0PH值2.5-4.0(25℃,4MinH2O)水溶解性SOLUBLE敏感性Hygroscopic最大波长(λmax)λ:260nmAmax:0.12λ:280nmAmax:0.08BRN3675235
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