parahadi

More information on processable studies and data-waiving is available in the section help of the Scientific properties header. Download this stock image. Dyes Intermediates Anthraquinone 2 Sulfonic Acid Sodium Salt Monohydrate Manufacturer From Mumbai Appearance physical state colour. Para toluidine colour . P-Toluidine undergoes oxidative coupling reaction with catecholamine to form an orange water-soluble dye during flow injection-spectrophotomet ric determination of catecholamine drugs. In aqueous solution its amino groups are protonated leading to the formation of NH3 groups. Aromatic azo compounds bidentate Schiff base ligands via condensation with salicylaldehyde. Remember that the colour wheel does not represent actual paint colours it simply identifies colour families. Perkins mauve was used to colour 6d postage stamps from 1867-1880. Draw the curved-arrow mechanism for the reaction of o-vanillin with p-toluidine to produce the expected imine 2-methoxy-6-p-tolylimi