Vat Blue 42 химические свойства, назначение, производство
Подготовка
3-(4-Hydroxyanilino)-9-ethylcarbazole in Butanol sodium polysulfide solution heating, methods and C.I. Vat Blue 43 (C.I. 53630) similarity. This indophenol is by N – ethylcarbazole and 4-Nitrosophenol in concentrated sulfuric acid, in – 23 ℃ condensation and have to (BIOS 983,65-70) o note: use with C.I. leuco sulfur dye similar method, some the structure of the dyes can be converted into the leuco compound.
Свойства и приложения
blue to red light blue. In concentrated sulfuric acid to green light blue, dilution after green blue precipitation; In the basic insurance powder solution or sodium hydroxide solution for yellow.
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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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4
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3
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5
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3
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3
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AATCC
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5
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3
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5
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4
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4
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Vat Blue 42 препаратная продукция и сырье
сырьё
препарат