UL Prospector

Indigo Carmine 

Indigo Carmine is a food colorant and is also known to be a pH indicator. Also known as Blue #2 by FD&C, this product turns blue at the pH of 11.4 and yellow at 13.0, making it useful in pH indication tests. Indigo Carmine has the E number E132 and the Color Index No. 73015. Alkali stability for Blue 2 is 3 while the light stability is 6 and heat stability is 5. It is often used in chewing gum, confectionery, food supplements, processed cheese, candy, etc.




Parshwanath is the leading manufacturer, exporter and supplier of food colorants for the Food and Beverage Industry. Their products include: Lake Colors, Blended Colors, Quinoline Yellow, Erythrosine, Indigo Carmine, Brilliant Blue FCF, Allura Red, Amaranth, Chocolate Brown HT, Ponceau 4R, Sunset Yellow FCF, Carmoisine and Tartazine.


Parshwanath Group

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