Violanthrone
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| Names | |
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| Preferred IUPAC name
Anthra[10,1,2-cde]benzo[rst]pentaphene-5,10-dione | |
| Other names
Dibenzanthrone, Tinon Dark Blue BOA, Ahcovat Dark Blue BO, Violanthrone A, Bianthrone A, Irgalite Blue 2R, Paradone Dark Blue
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| Identifiers | |
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3D model (JSmol)
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PubChem CID
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| Properties | |
| C34H16O2 | |
| Molar mass | 456.48964 |
| Appearance | dark blue solid |
| Density | 1.53 g/cm3 |
| Melting point | 492 °C (decomposes) |
| −204.8·10−6 cm3/mol | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Template:Chembox Footer/trackingTemplate:Short description
Violanthrone, also known as dibenzanthrone, is an organic compound that serves as a vat dye and a precursor to other vat dyes. X-ray crystallography confirms that the molecule is planar with C2v symmetry.[1] Isomeric with violanthrone is isoviolanthrone, which has a centrosymmetric structure.[2]
Synthesis
It is produced by coupling of two molecules of benzanthrone.[3][4][5][6]
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Bolton, W.; Stadler, H. P. (1964). "The Crystal Structure of Violanthrone (Dibenzanthrone)". Acta Crystallographica. 17 (8): 1015–1020. Bibcode:1964AcCry..17.1015B. doi:10.1107/S0365110X64002584.
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- ^ Manufacture of dibenzanthrone compounds
- ^ Heinrich Zollinger, Color Chemistry: Syntheses, Properties, and Applications of Organic Dyes and Pigments, 3rd edition, Wiley-VCH, Weinheim, 2003, Template:ISBN, p. 291
- ^ Page Template:Citation/styles.css has no content.CN patent 106243769, Wang Hongwei, Xu Huixiang, Li Zhen, Jiang Dawei, Gao Hongyu, Guo Yuan, "A kind of preparation method of Vat Brilliant Green FFB"
- ^ Page Module:Citation/CS1/styles.css has no content.Aoki, Junji (December 1961). "Studies of Violanthrone B. I. Reduction and Oxidation of Violanthrone B". Bulletin of the Chemical Society of Japan. 34 (12): 1817–1819. doi:10.1246/bcsj.34.1817.
