Azophloxine/Acid Red 1/Disodium 5-acetylamino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate

English Name: Azophloxine; Acid Red 1； Disodium 5-acetylamino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate

Other names: azo Fluorescent Pink; Azo flame red; Acid red 1; Food red 10; 5- (acetylamino) - 4-hydroxy-3 (phenylazo) - 2,7-naphthalene disulfonic acid disodium salt; Acid red g; Acid scarlet g; Azo Fluorescent Pink; 8-acetamino-2-phenylazo-1-naphthyl-3,6-disulfonic acid disodium salt

CAS No.: 3734-67-6

C18H13N3Na2O8S2=509.42

Grade: for microcopy

λ max：503～507nm(H2O)

λ max.2：530～534nm(H2O)

Absorbance (e1m): ≥ 250 (H2O, 503 ~ 507nm)

Absorbance (e1m): ≥ 250 (H2O, 530 ~ 534nm)

 Physicochemical Properties: red powder, soluble in water as bright red solution, slightly soluble in alcohol and fibrinolysin, insoluble in other organic solvents. In case of concentrated sulfuric acid, it turns blue and red, and after dilution, it turns yellow and red; It turns orange when encountering concentrated nitric acid; In case of concentrated hydrochloric acid, red precipitate will be formed, which will dissolve after dilution. Its aqueous solution is red with concentrated hydrochloric acid; The solution with sodium hydroxide is orange brown. When dyeing, copper ions make the color blue and dark; In case of iron ion, the color is blue and light. Good levelness. Colour Index Number 18050

Purpose: biochemical research. Dye

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