溴百里香酚蓝钠

中文名称：	溴百里香酚蓝钠
英文名称：	Bromothymol blue sodium salt
CAS号：	34722-90-2
级别：	AR

溴百里酚蓝钠盐

Bromothymol blue sodium salt

CAS号: 34722-90-2

分子式: C27H27Br2NaO5S

分子量: 646.36

别名: 溴百里香酚蓝钠盐, 溴麝香草酚蓝钠盐溴百里香酚兰钠

品级Grade                               分析纯
                                        (AR)
外观Appearance                          orange-brown to dark green powder
红外光谱Infrared spectrometry           Conforms to Structure
水溶解试验Solubility (0.1% in water)    clear
pH变色域Transition interval(pH)         from pH 6.0 (yellow) to pH 7.6 (blue)
干燥损失Drying loss                     ≤7.0 %

品级Grade                                ACS级
                                        (ACS reagent)
外观Appearance                          orange-brown to dark green powder
红外光谱Infrared spectrum                Conforms to Structure
Wavelength                               614 - 618 nm
                                         c = 0.005 g/l; 0.1 N NAOH
消光系数Extinction Coefficient           ≥35000
Wavelength                               392 - 396 nm
消光系数Extinction Coefficient           ≥8000
Wavelength                               305 - 309 nm
Extinction Coefficient                   ≥13000
变色域Vis. transition interval          from pH 6.0 (yellow) to pH 6.7(Green)to pH 7.6 (blue)
溶液澄清度Clarity of solution            Clear to Very Slightly Hazy Orange to Black

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