Vat Blue 19
- CAS NO.：1328-18-3
- Molecular Weight: 0
- EINECS: 215-516-3
- Update Date: 2026-05-12 09:12:00
What is Vat Blue 19?
Preparation
Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione in Nitrobenzene or Chlorosulfonic acid, in fuming sulfuric acid and sulfur presence bromination.
Properties and Applications
red light navy blue. In the basic insurance powder solution for blue purple; In the acidic insurance powder solution for red light brown. Used for cotton fabric dyeing, red for the navy, the cotton direct sex is high, can be used for cotton direct printing, resist printing and discharge printing. Can also be used for viscose fabric and silk fabric dyeing
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4-5 | 7 | 3 | 4 | 4-5 | 4-5 |
Properties of Vat Blue 19
| Density | 1.65[at 20℃] |
| Water Solubility | 0.004ng/L at 25℃ |
| EPA Substance Registry System | C.I. Vat Blue 19 (1328-18-3) |
Safety information for Vat Blue 19
Computed Descriptors for Vat Blue 19
New Products
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