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Indigo carmine

analytical standard

Synonym: Acid Blue 74, Indigo-5,5′-disulfonic acid disodium salt, Indigocarmine

  • CAS Number 860-22-0

  • Empirical Formula (Hill Notation) C16H8N2Na2O8S2

  • Molecular Weight 466.35

  •  Colour Index Number 73015

  •  Beilstein/REAXYS Number 4103904

  •  EC Number 212-728-8

  •  MDL number MFCD00005723

  •  PubChem Substance ID 329764894

  •  E Number E132

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Properties

Related Categories Additional Standards, All Alphabetically Sorted, All alphabetical sorted, Analytical Standards, Analytical/Chromatography,
grade   analytical standard
InChI Key   KHLVKKOJDHCJMG-QDBORUFSSA-L
assay   ≥97.0% (HPLC)
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
Featured Industry   Cosmetics, Personal Care, and Cleaning Products
Food and Beverages
format   neat

Description

General description

Indigo carmine is a synthetic indigoid dye, which is generally used as a food coloring agent. It is basically used to maintain the natural color of food during processing or storage and also to improve the color, texture and appearance of food products.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
DU3000000

Documents

Certificate of Analysis

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Protocols & Articles

Articles

HPLC Analysis of Synthetic Food Dyes on Ascentis® Express C18

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Synthetic Food Dyes on Ascentis® Express C18
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

Related Products

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