Bright blue indigo

Alias: [[[4- [N-ethyl -N- (3'- sulfonic benzyl) - amino, phenyl, - (2'-sulfophenyl) - methylene] -2,5- sub-cyclohexadienyl] - (3'-sulfophenyl methyl) - ethyl amine disodium salt, CI Food Blue 2 (42090), edible Brilliant Blue, bis [4- (N- ethyl -N- 3- sulfonic acid phenyl methyl) amino phenyl] -2-toluene sulfonic acid group disodium salt, light blue food coloring; Erioglaucine disodium salt; light Blue 1, Acid Blue 9 [CI 42090], Blue 1 [CI 42090]; Food Blue 1 / Erioglaucine A; Edible Blue No. 1 (Japanese name), the 1st blue food coloring; ethyl - sulfoisophthalic benzyl - {4 '- [4' '- (benzyloxy sulfoisophthalic group - ethyl amino) phenyl - ortho disulfobenzene methylene] -2 ', 5-phenyl} - ammonium hydroxide inner salt of disodium salt, food coloring Blue No. 1-ethyl - sulfoisophthalic benzyl - {4 '- [4' '- (m-sulfobenzoic benzyl - ethylamino) phenyl - o-sulfophenyl -2'5- phenylene methylene}} - ammonium hydroxide inner The disodium salt; Food Blue 1 / Erioglaucine A / bright blue. Characters: red purple uniform powder or granules, with a metallic sheen, odorless. Soluble in water (18.7g / 100mL, 21 ℃), green blue solution was dissolved in ethanol (1.5g / 100mL, 95% ethanol, 21 ℃), glycerol, propylene glycol. Light, heat and strong. Citric acid, tartaric acid, alkali were in stable condition. Scope and usage: China's "edible additives health standards" (GB 2760-1996) states: for high sugar juice (flavored), juice (flavored) drinks, carbonated beverages, wine, candy, a cake color equipment; stained cherry canned (Department of decorative, unfit for human consumption). For plums, shrimp (flavor) chip, the maximum use of 0.025g / kg; for the ice cream, the maximum use of 0.022g / kg; for the red and green silk, the largest use of 0.1g / kg.