Vat Red 20
Vat Red 20 Basic information
- Product Name:
- Vat Red 20
- Synonyms:
-
- Vat Red 20
- 2-(1-Amino-9,10-dihydro-9,10-dioxoanthracen-2-yl)anthra[2,3-d]thiazole-5,10-dione
- C.I.67100
- C.I.Vat Red 20
- Indanthren Rubine B
- Anthra[2,3-d]thiazole-5,10-dione, 2-(1-amino-9,10-dihydro-9,10-dioxo-2-anthracenyl)-
- C.I.Vat Red 20:C.I.67100
- CAS:
- 6371-49-9
- MF:
- C29H14N2O4S
- MW:
- 486.5
- Mol File:
- 6371-49-9.mol
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Vat Red 20 Usage And Synthesis
Preparation
2-Amino-3-chloroanthracene-9,10-dione and 1-Nitro-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid condensation, reduction, and then into a sulfhydryl derivatives, and cyclization.
Properties and Applications
blue light red to red light purple. In the basic insurance powder solution for brown light olive; In the acidic insurance powder solution for orange.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 5 | 7 | 5 | 4-5 | 4-5 | 5 |
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