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52245 Supelco

Carmoisine

analytical standard

Synonym: Acid Red 14, Chromotrope FB, Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate, Mordant Blue 79

  • CAS Number 3567-69-9

  • Empirical Formula (Hill Notation) C20H12N2Na2O7S2

  • Molecular Weight 502.43

  •  Colour Index Number 14720

  •  EC Number 222-657-4

  •  MDL number MFCD00003978

  •  PubChem Substance ID 329757807

  •  E Number E122

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, All Alphabetically Sorted, All alphabetical sorted, Analytical Standards, Analytical/Chromatography,
Quality Level   100
grade   analytical standard
assay   ≥98.0% (HPLC)
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
Featured Industry   Cleaning Products
Cosmetics
Food and Beverages
Personal Care
format   neat
SMILES string   [Na+].[Na+].Oc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(c4ccccc34)S([O-])(=O)=O
InChI   1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;
InChI key   YSVBPNGJESBVRM-ZPZFBZIMSA-L

Description

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

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
RTECS 
QK1925000
Flash Point(F) 
437.0 °F
Flash Point(C) 
> 225 °C

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

HPLC Analysis of Artificial Food Colorants Cochineal Red A and Azorubine in Yoghurt on Chromolith® FastGradient RP-18 endcapped

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Artificial Food Colorants Cochineal Red A and Azorubine in Yoghurt on Chromolith® FastGradient RP-18 endcapped
Keywords: Chromatography, High performance liquid chromatography

LC/MS Analysis of Artificial Food Colorants Cochineal Red A and Azorubine in Yoghurt on Chromolith® FastGradient RP-18 endcapped

From our library of Articles, Sigma-Aldrich presents LC/MS Analysis of Artificial Food Colorants Cochineal Red A and Azorubine in Yoghurt on Chromolith® FastGradient RP-18 endcapped
Keywords: Chromatography, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry

Peer-Reviewed Papers
15

References

Related Products

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