25%水溶液(25 wt. % in H2O):
外观Appearance 无色液体
红外光谱鉴别Infrared spectrometry Conforms
折光率Refractive index n20/D 1.378 - 1.384
浓度Concentration 24.0 - 26.0 % (Titration by HCL)
25%甲醇溶液(25 wt. % in methanol):
外观Appearance 无色至淡黄色液体
浓度Concentration 23.0 - 27.0 % (Titration by HCL)
水分Water 5,0 - 10,0 % (by Karl Fischer)
10%水溶液(10 wt. % in H2O):
外观Appearance 无色液体
折光率Refractive index n20/D 1.350 - 1.354
核磁Proton NMR spectrum Conforms to Structure
浓度Concentration 9.0 to 11.0 % (Titration by HCL)
10%甲醇溶液(10 wt. % in methanol):
外观Appearance 无色液体
折光率Refractive index n20/D 1.350 - 1.352
浓度Concentration 9.0 to 11.0 % (中和滴定)
卤素halides (as chloride) ≤0.3%
硫酸根sulfate (SO42-) ≤1000 ppm
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