产品名称 : | PH9366 | 甲酚红 Cresol Red CAS号:1733-12-6 |
产品品牌 : | 飞净 PHYGENE |
英文名称:Cresol Red;o-Cresolsulfonphthalein;4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-methylphenol) S,S-dioxide
其他名称:邻甲酚红;邻甲酚磺酰酞;邻甲酚磺酞;邻甲磺酞;邻甲酚磺酜酞
CAS号:1733-12-6
C21H18O5S=382.43
级别:IND
pH变色域:6.5(黄)~8.5(紫)
最大吸收波长λ1(pH 6.5):432~436 nm
最大吸收波长λ1(pH 8.5):571~574 nm
性状:红棕色结晶性粉末。溶于乙醇、水、稀酸(黄色)和稀碱(紫色)。其0.1%乙醇溶液或0.04%钠盐水溶液用作指示剂
用途:生化研究。酸碱指示剂,pH 7.2(黄)~8.8(紫红); pH 2.0(橙色)~3.0(琥珀色)。
保存:常温运输与保存,有效期3年。
甲酚红广泛用作pH指示剂,用于微生物培养基等的日常pH监测。此外,甲酚红也适合用作PCR反应体系的试剂组分。甲酚红还可用作DNA、RNA(琼脂糖)和蛋白(聚丙烯酰胺)凝胶电泳的示踪染料。
Cresol red is a triarylmethane dye and it can be used as an alternative loading dye for gel electrophoresis to monitor the progress of a running gel.
This dye is also used as an acid-base indicator, or pH indicator. pH indicators give an approximate value of pH of a solution. As a pH indicator, when cresol red is added into a solution, a color of the solution can then be observed.
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