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| | 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 | | EINECS: | | | Product Categories: | | | Mol File: | 4229-15-6.mol |  |
| | Vat Yellow 28 Chemical Properties |
| | 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.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4-5
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5
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6
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4-5
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4-5
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5
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5
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AATCC
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4
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5
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6-7
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4
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4-5
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| | Vat Yellow 28 Preparation Products And Raw materials |
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