Indigo Carmine – 25 g

Brand:
Cayman
CAS:
860-22-0
Storage:
-20
UN-No:
Non-Hazardous - /

Indigo carmine is an indigoid dye and a redox indicator.{59459,59460} Upon reduction, indigo carmine shifts from blue to yellow with absorbance maxima of 610 and 407 nm, respectively.{59460} Formulations containing indigo carmine have been used as color additives in food and pharmaceutical preparations.  

 

Available on backorder

SKU: 31525 - 25 g Category:

Description

An indigoid dye and a redox indicator; upon reduction, shifts from blue to yellow with absorbance maxima of 610 and 407 nm, respectively


Formal name: 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid, disodium salt

Synonyms:  Acid Blue 74|C.I. 73015|C.I. 75781|FD and C Blue 2|indigo disulfonate|Indigotine

Molecular weight: 466.4

CAS: 860-22-0

Purity: ≥70%

Formulation: A crystalline solid