4.Water solubility: At 25℃, 1g dissolves in 100ml of water, slightly soluble in ethanol, and almost insoluble in other organic solvents.
5.Application of indigo carmine: Conducting scientific experiments on traffic lights; Acid-base indicator It can also be used in other industries such as textiles.
وصف
Indigo carmine, also known as sodium indigotindisulfonate, appears as a deep blue powder exhibiting a coppery luster.
Synonyms:Indigo carmine,IndigotindisulfonateSodium，Indigotine，Acidblue74，Solubleindigoblue，Indigosoluble，Carmineblue，Indigocarminesodiumsalt，Sodiumindigotindisulfonate
Molecular formula: C16H8N2Na2O8S2
Molecular weight: 466.37
Water solubility: At 25℃, 1g dissolves in 100ml of water, slightly soluble in ethanol, and almost insoluble in other organic solvents.
Application of indigo carmine:
1.red and green light scientific experiments.
2.Detection indicator
3.Acid-base indicator, redox indicator
4.Research/Textiles: Microscopy staining, pH indicator (color change range 10.2-12.0), substitute for indigo dye in denim.
