Dibenzo[def,mno]chrysene-6,12-diol, dimethoxy-, bis(hydrogen sulfate), disodium salt (7CI,8CI,9CI)
- CAS NO.：1324-18-1
- Empirical Formula: C24H16O10S2.2Na
- Molecular Weight: 0
What is Dibenzo[def,mno]chrysene-6,12-diol, dimethoxy-, bis(hydrogen sulfate), disodium salt (7CI,8CI,9CI)?
Preparation
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Violet 6, 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 Violet 6. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
red light purple.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4-5 | 7 | 4-5 | 5 | ||
Safety information for Dibenzo[def,mno]chrysene-6,12-diol, dimethoxy-, bis(hydrogen sulfate), disodium salt (7CI,8CI,9CI)
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