... methyl benjia methadone, its water solution to join strong sulfuric acid shows colorless, diluted pale yellow.[ Auramine O dissolve situation ] ... paper, colored paper, ink and paint, etc. Used in acetic acid fiber; Mordant dyeing cotton, but low fastness, bright color, ... formaldehyde 700 sulfur (99%) 350 ammonium chloride amino 630 benzene sulfonic acid (100%) and refined salt 7500If any of our itms ...