Uses
Reactive Blue 13 (CAS# 12236-84-9) is an organic dye used in the textile industry, and a water-soluble pollutant.
Preparation
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand 2,4,6-Trichloro-1,3,5-triazine first condensation, 3-Amino-4-hydroxynaphthalene-1,5-disulfonic aciddiazo, and the generation of condensation product matches, and copper sulfate, sodium acetate and hydrogen peroxide complexation, four and salting-out.
Properties and Applications
blue. Dark blue powder, soluble in water, not sensitive to that fights. The strong sulfuric acid for pure blue, diluted into a navy; In the nitric acid for brown. Water solution is blue purple, add 1 Moore sodium hydroxide solution for blu-ray is purple, continue to join insurance powder and warm, no changes, add a boric acid sodium to bright blue. In 20 ℃ dye the solubility of 110 g/L; 50 ℃ when solubility of 140 g/L. The red light blue staining for in light of copper (micro have change (4～ 5), white sex medium. Used for cotton, viscose, wool, silk and fabric dyeing and printing continuous rolling directly..
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Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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6-7
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3-4
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4(5*95℃)
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4-5
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