6711-83-7O=C(Nc1cccc2c(OS(=O)(=O)[O-])c3c(NC(=O)c4ccccc4)cccc3c(OS(=O)(=O)[O-])c12)c1ccccc1.[Na+].[Na+]MDKGQPXOGWXWNG-UHFFFAOYSA-LSafety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Preparation(a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 3leuco; (b) used in Pyridinemetal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, chlorosulfonic or Methyl chlorosulfonate) processing C.I. Vat Yellow 3. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
No reaction records under the current filter.
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6711-83-7DTXSID50890630