Active ingredientIndigo CarmineCat. No. P-I040-001CAS 860-22-0Family · Pharmaceutical analytical standards
Indigo Carmine
A blue dye obtained by sulfonating indigo: it is the food additive E132 and, injected into a vein, it helps surgeons highlight the urinary tract. In the United States it has been approved for medical use since 2022. This family brings together the active ingredient, nitrosamines and other impurities.
Did you know?It is one of the few blue food colourings and also a pH indicator: in solution it is blue at pH 11.4 and turns yellow at pH 13.
Go to the active ingredient →Active ingredientIndigo CarmineCat. No. P-I040-001CAS 860-22-0
NitrosamineN-Nitroso Indigo CarmineCat. No. P-I040-003
ImpurityIndigo Carmine Impurity 1Cat. No. P-I040-004CAS 27414-68-2
ImpurityIsatin-5-Sulfonic Acid Sodium Salt DihydrateCat. No. P-I040-005CAS 207399-16-4
Active ingredientPigment Blue 63Cat. No. P-I040-006CAS 16521-38-3
ImpuritySodium indigo sulfonateCat. No. P-I040-007CAS 27414-69-3No product matches your search.
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