As a dye intermediate, 6-nitrate has a broad market space
6-Nitro, also known as 6-nitro-1,2-diazooxynaphthalene-4-sulfonic acid, is a dye intermediate. 6-nitrate appears as yellow or orange crystals, is soluble in water, and is produced by nitrification of 1,2,4-acid oxide. 6-nitrate has the advantages of good chemical stability and low acidity. As a dye intermediate, it can be used to produce complex dyes, acid…