Vat blue 8 (C.I. 73800)
- CAS NO.：6424-71-1
- Empirical Formula: C20H13Cl2NO3
- Molecular Weight: 386.22812
- SAFETY DATA SHEET (SDS)
What is Vat blue 8 (C.I. 73800)?
Preparation
5-chloro-7-methoxy-4-methyl phenol indolenine?and 4-Chloronaphthalene-1,2-dione?condensation, or 4-Methyl-5-chloro-7-methoxy-3-indolinone and 4-Chloro-1-naphthol condensation (BIOS 983).
Properties and Applications
blue to navy blue. In concentrated sulfuric acid to blue light green; In concentrated nitric acid for blue green to brown light yellow, In the basic insurance powder solution for yellow; In the acidic insurance powder solution for pale yellow.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4 | 5-6 | 4 | 4 | ||
Safety information for Vat blue 8 (C.I. 73800)
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