| Indigo Carmine | Parshwanath Group | 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 Co...展开 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. 收起 |
