Euxanthic acid
Euxanthic acid is a xanthonoid glycoside, a conjugate of the aglycone euxanthone with glucuronic acid. Its magnesium salt is the primary colourant of the pigment Indian Yellow.[1]
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IUPAC name
(8-Hydroxy-9-oxo-9H-xanthen-2-yl) β-D-glucopyranosiduronic acid | |
Systematic IUPAC name
(2S,3S,4S,5R,6S)-3,4,5-Trihydroxy-6-[(8-hydroxy-9-oxo-9H-xanthen-2-yl)oxy]oxane-2-carboxylic acid | |
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Properties | |
C19H16O10 | |
Molar mass | 404.327 g·mol−1 |
Density | 1.737 g/ml |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references |
References
- Katherine Spendel, Dr. M. Scott Goodman, Dr. Rebecca Ploeger and Dr. Aaron Shugar. "Preparation of a Synthetic Indian Yellow" (PDF). SUNY Buffalo. Retrieved July 11, 2018.
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