Vat Yellow 28
Vat Yellow 28 Basic information
- Product Name:
- Vat Yellow 28
- Synonyms:
-
- Vat Yellow 28
- 5H-Dinaphtho[2,3-a:2',3'-i]carbazole-5,10,15,17(16H)-tetrone
- C.I.69000
- C.I.Vat Yellow 28
- Indanthren Yellow FFRK
- AGN-PC-00PNRC
- C.I.Vat Yellow 28:C.I.69000
- CAS:
- 4229-15-6
- MF:
- C28H13NO4
- MW:
- 427.41
- Mol File:
- 4229-15-6.mol
Vat Yellow 28 Usage And Synthesis
Preparation
(a) Aluminum chloride with sulfuric acid or imine of N-(9,10-dioxo-9,10-dihydroanthracene-1-yl)-1-aminoanthracene-9,10-dione; (b) will nitrobenzene 1-Nitro-2-chloroanthraquinone?and copper heated and then reduced to the 1,1′-Diamino-2,2′-bianthraquinone, then sulfuric acid or chlorine zinc cyclization; (C) In nitrobenzene using copper processing?2-Bromo-1,1′-iminodianthraquinone.
Synthesis
1,1'-Dianthrimide-2,2'-carbazole is prepared from Anthraquinone Dyes and Intermediates 35 1,1'dianthrimide in AlCl3-NaCl melts or in AlCl3 – pyridine melts .
Properties and Applications
red light yellow. Soluble in 1, 2, 3, 4-Tetrahydronaphthalene, Xylene. The strong sulfuric acid for palm red light, after diluted orange precipitation; In alkaline solution for insurance powder red brown; In the acidic insurance powder solution for yellow brown, a green fluorescent.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 5 | 6 | 4-5 | 4-5 | 5 | 5 |
| AATCC | 4 | 5 | 6-7 | 4 | 4-5 | ||