Vat Brown 14

Preparation

Naphthalene-1,4,5,8-tetracarboxylic acid and 4-Ethoxybenzene-1,2-diamine?condensation.

Properties and Applications

red light brown. Dye cellulose fibre for brilliant red light brown. In the cellulose fiber in the strong sulfuric acid as dark red. Alkaline reduction leuco for olive; Acid reduction leuco for red light brown. This product to cellulose fibre substantivity high, good levelness. Can be used for cotton fiber direct dyeing, resist and discharge and coloring discharge, also can be used for cotton, silk, wool and viscose dyeing.