6,12-Bis[(sodiosulfo)oxy]-2,8-diphenylanthra[2,1-d:6,5-d']bisthiazole
- CAS NO.：13109-68-7
- Empirical Formula: C28H14N2Na2O8S4
- Molecular Weight: 680.6589
![6,12-Bis[(sodiosulfo)oxy]-2,8-diphenylanthra[2,1-d:6,5-d']bisthiazole Structural](https://img.chemicalbook.in/CAS/20180808/GIF/13109-68-7.gif)
What is 6,12-Bis[(sodiosulfo)oxy]-2,8-diphenylanthra[2,1-d:6,5-d']bisthiazole?
Preparation
(a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 2?leuco; (b) used in Pyridine?metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Yellow 2. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
Properties and Applications
green light yellow.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 5 | 3-4 | 4-5 | 5 | 5 | 5 |
| AATCC | 5 | 5 | 4 | 4-5 | 5 | ||
Safety information for 6,12-Bis[(sodiosulfo)oxy]-2,8-diphenylanthra[2,1-d:6,5-d']bisthiazole
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