Solubilised Vat Brown 7
- Molecular Weight: 0
What is Solubilised Vat Brown 7?
Preparation
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. 73405 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. 73405. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
dark red light brown. Soluble in water for red light brown.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 6 | 4 | ||||
Safety information for Solubilised Vat Brown 7
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