Difference between revisions of "Xanthopurpurin"
Jump to navigation
Jump to search
m (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==") |
|||
| (One intermediate revision by one other user not shown) | |||
| Line 1: | Line 1: | ||
== Description == | == Description == | ||
| − | Yellow needle crystals. Xanthopurpurin is one of the natural colorants extracted from [ | + | Yellow needle crystals. Xanthopurpurin is one of the natural colorants extracted from [[madder|madder]] and other Rubiaceae family plants. It dissolves in alkalis to give a red color and turns yellow in acids. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 7: | Line 7: | ||
1,3-dihydroxyanthraquinone; CI 75340; purpuroxanthin; xantopurpurina (Esp., Port.) | 1,3-dihydroxyanthraquinone; CI 75340; purpuroxanthin; xantopurpurina (Esp., Port.) | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | Soluble in ethanol, benzene. | + | * Soluble in ethanol, benzene. |
| + | * Melting Point = 269-270 C | ||
| − | + | ==Resources and Citations== | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | + | * H.Schweppe, J.Winter, "Madder and Alizarin", ''Artists Pigments'', Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997. | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:48, 22 June 2022
Description
Yellow needle crystals. Xanthopurpurin is one of the natural colorants extracted from Madder and other Rubiaceae family plants. It dissolves in alkalis to give a red color and turns yellow in acids.
Synonyms and Related Terms
1,3-dihydroxyanthraquinone; CI 75340; purpuroxanthin; xantopurpurina (Esp., Port.)
Physical and Chemical Properties
- Soluble in ethanol, benzene.
- Melting Point = 269-270 C
Resources and Citations
- H.Schweppe, J.Winter, "Madder and Alizarin", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.