三乙胺盐酸盐,554-68-7,Triethylamine hydrochloride 99%: 外观Appearance 白色至类白色结晶粉末 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity 99.0 - 101.0 % (银量滴定) 熔点Melting point 250°C - 265°C 干燥损失Loss on drying <1.0 % pH 4.5 - 6.5 (1% w/v soln.) 水溶液Appearance of solution 无色透明(10% aq. soln.) 品级Grade 色谱级 (grade for HPLC) 含量assay ≥99.0% (AT) 熔点Melting point 261°C - 265°C λ 10 % in H2O 紫外吸收值UV absorption λ: 220 nm A ≤0.05 λ: 230 nm A ≤0.04 λ: 250 nm A ≤0.03 λ: 260 nm A ≤0.02 λ: 500 nm A ≤0.02 RP梯度试验RP gradient test PASS |