Allura Red AC/Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

English Name: Allura red AC; Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

Other names: 6-hydroxy-5- [(2-methoxy-5-methyl-4-sulfonyl) azo] 2-Naphthalenesulfonic acid disodium salt; Temptation red AC; Food red 17; Red bass RC; Chromogenic base bright red RB; Curry red; Red 40 [ci 16035]; C. I. ice dyed diazo component 13

CAS No.: 25956-17-6

C18H14N2Na2O8S2=496.42

Grade: ar

Content: ≥ 85.0%

λ Max: 497 ~ 501nm (0.02 mol/l ammonium acetate solution)

Total chloride and sulfate: ≤ 0.2%

Insoluble matter in water: ≤ 0.2%

Arsenic: ≤ 0.0001%

Lead: ≤ 0.001%

Low sulfonated by dye: ≤ 1.0%

Heavy metals (calculated by Pb): ≤ 0.002%

 Physicochemical  Properties: orange or red to purplish red powder.

Purpose: biochemical research.

Save: RT