Difference between revisions of "Indigotin"
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== Description == | == Description == | ||
| − | The dark blue crystalline colorant in [ | + | The dark blue crystalline colorant in [[indigo]]. Indigotin is formed when indican, the colorless extract from the indigo plant, is dried in air. The indican is oxidized to form the deep blue indigotin. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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indican; indigotine (Fr.); indigotina (Esp., Port.) | indican; indigotine (Fr.); indigotina (Esp., Port.) | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | Insoluble in water, ethanol, ether and dilute acids. Dissolves in nonpolar solvent with a red color and polar solvents with a blue color. | + | * Insoluble in water, ethanol, ether and dilute acids. |
| + | * Dissolves in nonpolar solvent with a red color and polar solvents with a blue color. | ||
| + | * Composition = C16H10N2O2 | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 11:55, 15 September 2022
Description
The dark blue crystalline colorant in Indigo. Indigotin is formed when indican, the colorless extract from the indigo plant, is dried in air. The indican is oxidized to form the deep blue indigotin.
Synonyms and Related Terms
indican; indigotine (Fr.); indigotina (Esp., Port.)
Physical and Chemical Properties
- Insoluble in water, ethanol, ether and dilute acids.
- Dissolves in nonpolar solvent with a red color and polar solvents with a blue color.
- Composition = C16H10N2O2