Indigo Carmine 0.1% in ETOH
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Indigo carmine, or 5,5'-indigodisulfonic acid sodium salt, also known as indigotine or FD&C Blue #2 is a pH indicator with the chemical formula C16H8N2Na2O8S2. It is approved for use as a food colorant in the United States and the EU and has the E number E132.

  • Indigo carmine
  • CAS:860-22-0
  • blue at pH 11.4 and yellow at 13.0

Indigo Carmine 0.1% in ETOH

Price: $15.00
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