产品名称 : | PH9216 | 百里酚酞 百里香酚酞 香草酚酞 Thymolphthalein |
产品品牌 : | 飞净 PHYGENE |
百里酚酞学名“3,3-双(4-羟基-5-异丙基-2-甲基苯基)-苯酞”,是一种有机试剂。化学式为C28H30O4,分子量430.54。白色结晶性粉末。易溶于乙MI、B酮、L酸和碱溶液,不溶于水。常用作酸碱指示剂,其pH变色范围为9.4-10.6,颜色变化为无色至蓝色。使用时常配成0.1%的90%乙醇溶液。也常与其他指示剂配成温柔合指示剂,使其变色范围更窄,观察更清晰。
英文名称:Thymolphthalein;Dithymolphthalide;5′,5″-Diisopropyl-2′,2″-dimethylphenolphth- alein;3,3-Bis(4-hydroxy-2-meth-yl-5-isopropylphenyl)phthalide
其他名称:百里香酚酞;麝香草酚酞;麝香草酚麸保存:常温运输与保存,有效期3年
Thymolphthalein is an acid-base indicator. It changes colour based on the substance it is added to and indicates whether it is an acid or base.
Usage as an IndicatorWhen used as an indicator, it behaves as follows:Below pH 9.3 – 10.5, it is colourless.Above pH 9.3-10.5, it is blue in colour.Thus, it undergoes a transition between pH 9.3-10.5.
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