Dinatrium-2-[9-chlor-3-(sulfonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-ylsulfat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Black 35 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Black 35. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
dark blue to blue black, soluble in water is blue-black.
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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4-5
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7
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4-5
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Dinatrium-2-[9-chlor-3-(sulfonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-ylsulfat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte