Nuclear fast red
Item No.: SR0219
Store at: RT,Avoid light
English Name:Nuclear fast red;Calcin red;Kernechtrot;1-Amino-2,4-dihydroxyanthraquinone-3-sulfonic acid sodium salt ;C.I. 60760
Other names: nuclear fast red; Calcium red; Nuclear fast red; Glyoxal bis (o-nitrophenol)
CAS No.: 6409-77-4
C14H8NNaO7S=357.27
Grade: FMP
Dyeing test: qualified
Water dissolution test: acceptable
Infrared spectrum identification: qualified
Physicochemical Properties: reddish to dark brown powder. It turns pale purple in the presence of sodium hydroxide and brown in sulfuric acid. Soluble in ethanol and water. The maximum absorption wavelength is 518nm. Irritating. It is also mentioned in the literature that this product is neutral red
Purpose: biochemical research. Nuclear staining of connective tissue. Reagent for determination of calcium
Save: RT, protected from light