Uses
C.I. Vat Blue 16 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
Preparation
16,17-Dihydroxyviolanthrone in 1,2,4 – Trichlorobenzene presence, with 1,2-Dibromoethane?or 2-Chloroethyl 4-methylbenzenesulfonate?ethyl ether sulfonate..
Flammability and Explosibility
Nonflammable
Properties and Applications
navy blue. Deep blue black powder. Soluble in Xylene for blue purple. In concentrated sulfuric acid to blue light red. Alkaline reduction leuco for blue; Acid reduction leuco for bordeaux red. Dyeing levelness sex is good. Soluble in Xylene for blue purple. Used for cotton fiber dyeing, also can be used for direct printing, resist printing and discharge printing, not suitable for white discharge printing. Can also be used for viscose and silk dyeing.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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3-4
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4-5
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7
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4-5
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4
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5
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3-4
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References
[1] Gürses A, A??ky?ld?z M, Güne? K, et al. Dyes and pigments: their structure and properties[J]. Dyes and pigments, 2016: 13-29.
