Difference between revisions of "Fustin"
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dihydrofisetin; 3,3'4',7-tetrahydroxyflavanone ; haji | dihydrofisetin; 3,3'4',7-tetrahydroxyflavanone ; haji | ||
| + | ==Physical and Chemical Properties== | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 226-229 | + | | 226-229 C |
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! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==Resources and Citations== |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4341 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4341 | ||
Latest revision as of 13:55, 26 August 2022
Description
A natural yellow colorant found in young fustic. Fustin is extracted from the wood of some Sumac trees (Cotinus coggygria and Rhus succedanea). It is the principal component in haji, a traditional Japanese yellow colorant.
Synonyms and Related Terms
dihydrofisetin; 3,3'4',7-tetrahydroxyflavanone ; haji
Physical and Chemical Properties
| Composition | C15H12O6 |
|---|---|
| Melting Point | 226-229 C |
| Molecular Weight | mol. wt. = 288.25 |
Resources and Citations
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4341
- R.Feller, M.Curran, C.Bailie, 'Identification of Traditional Organic Colorants Employed in Japanese Prints and Determination of their Rates of Fading', Japanese Woodblock Prints, Allen Memorial Art Museum, Oberlin College, Oberlin, 1984