Acid yellow 3 aluminum lake

Yellow 203 Aluminum Lake is used in evaluation and in the formulation of the bilayered sustained release matrix tablets of metformin for diabetes II treatment.

yellow. Soluble in water and ethanol for yellow; The strong sulfuric acid in orange, yellow as diluted. The dye solution to join the reducing agent can’t decoloring. (and C 1.10305 and C.I. 10316 different) and C.I. acid yellow 3,C.I. Pigment yellow 115the same chemical structure.