Molecular formula :
nature : also known as the clothing will ethoxycarbonyl Jike, ethoxycarbonyl golden dyes, azo right Diethoxybenzyl phenylene diamine (p-ethoxy - benzeneazo-m-phenylene diamine). Dark red brown powder. Dissolved in water and alcohol was red, not soluble in chloroform and ether. For the acid-base indicator, the color range of pH 3.5 (red) ~ 5.5 (yellow); Redox indicator, the prototype red, lemon yellow oxidized; Adsorption indicator.
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