Difference between revisions of "Ellagic acid"
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Soluble in alkali and pyridine. Slightly soluble in water or ethanol. Insoluble in ether. | Soluble in alkali and pyridine. Slightly soluble in water or ethanol. Insoluble in ether. | ||
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry | ||
Revision as of 09:08, 19 August 2020
Description
A cream-color powder formed as a metabolite from the oxidation of Gallic acid. Ellagic acid occurs naturally in galls as well as Leather that have been tanned with galls. It was isolated as a distinct compound by Chevreul in 1815. Ellagic acid is used as a Tannin and as a pale-green to gray Dye with Iron mordants. It is being studied as a cancer preventing drug.
Synonyms and Related Terms
benzoaric acid; bezoardic acid; 4,4',5,5',6,6'-hexahydrodiphenic acid 2,6,2'6'-dilactone
Risks
Fisher Scientific: MSDS
Resources and Citations Properties
Soluble in alkali and pyridine. Slightly soluble in water or ethanol. Insoluble in ether.
UV max 366, 255 nm
| Composition | C14H6O8 |
|---|---|
| CAS | 476-66-4 |
| Melting Point | >300 |
| Molecular Weight | mol. wt.=302.19 |
Resources and Citations
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876 Comment: p. 321