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Hydroxy naphthol blue disodium
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
Hydroxy naphthol blue disodium图片
CAS NO:165660-27-5
包装与价格:
包装价格(元)
25g电议
100g电议

产品介绍
Hydroxy naphthol blue disodium,是钙的金属指示剂和碱土金属离子的比色试剂 ( Λmax = 650 nm)。在 12 和 13 之间的 pH 值范围内,指示剂溶液在钙离子存在下呈淡红色,在 EDTA 二钠存在下呈深蓝色。
Cas No.165660-27-5
别名羟基萘酚蓝二钠盐
分子式C20H12N2Na2O11S3
分子量598.49
储存条件Store at -20°C
General tipsFor obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping ConditionEvaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
产品描述

Hydroxy naphthol blue disodium, an azo dye, is a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions ( Λmax = 650 nm). In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and to deep blue in the presence of disodium EDTA[1].

[1]. Motoki Goto, et al. Colorimetric detection of loop-mediated isothermal amplification reaction by using hydroxy naphthol blue. Biotechniques. 2009 Mar;46(3):167-72.