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Vat Blue 13

Name:C.I.Vat Blue 13,C.I.69845

Molecular Structure: anthraquinones

C.I.Vat Blue 13,C.I.69845,CAS 6871-71-2,474.42,C28H14N2O6

C.I.Vat Blue 13,C.I.69845,CAS 6871-71-2,474.42,C28H14N2O6

Molecular Formula:C28H14N2O6

Molecular Weight: 474.42

CAS Registry Number:6871-71-2

Manufacturing Methods :in inert solvent (such as naphthalene), in the presence of copper or copper chloride, 1-Amino-2-bromo-4-hydroxyanthracene-9,10-dione (2 Moore) from condensation.

Properties and Applications: brilliant green blue. Blue black powder. Slightly soluble in Xylene for red light purple. In concentrated sulfuric acid for olive green, blue green precipitation after dilution. Alkaline reduction leuco for dark olive; Acid reduction leuco for bordeaux red. Slightly soluble in Xylene for red light purple. Can be used for cotton dyeing, for brilliant green blue, also can be used for cotton fabric direct printing, resist printing. Can also be used for viscose and silk dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 1 7 3-4 4 3-4 5

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