Green＃3

Green＃3

식용녹색3호

식품첨가물 원료

2353-45-9

3-[Ｎ-ethyl-Ｎ-[4-[[4-[Ｎ-ethyl-Ｎ-(3-sulfonatebenzil)amino]phenyl] (4-hydroxy-2-sulfonate phenyl)methylene]-2,5cyclohexadieniride]amoniomethyl]benzensulfonate sodium

C.I. Food Green 3; C.I. Food Green 3, Disodium Salt; C.I. 42053; E 143; FD and C Green No. 3; FD&C Green No. 3; FDC Green 3; Fast Green; Fast Green E 143; Food Green 3; Food Green No. 3; Green No. 3; Japan Food Green No. 3; Japan Green 3; Japan Green No. 3; NSC 379443; N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-benzenemethanaminium Inner Salt Disodium Salt

Green #3 is principally the inner salt disodium salt of N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl] amino]phe- nyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien- 1 -ylidene]-3-sulfobenzenemethanaminium hydroxide. The colorant is a red to brown-violet powder or collection of crystals that dissolves in water to give a solution blue-green at neutrality, green in acid, and blue-violet in base. When dissolved in concentrated sulfuric acid, it yields a brown-orange solution that turns green when diluted with water. When heated to 130° with glycerine triacetate and an excess of acetic anhydride, acety- lation of its phenolic hydroxyl group causes a color change from green to light blue. Green #3 is regularly used in beverages, desserts (puddings, ice cream, sherbet), candy, bakery goods, dairy products, and maraschino cherries. The color is also used in pharmaceuticals, cosmetics and histological stains.

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