Ponceau 6R

This page is about Ponceau 6R. For other uses, see Ponceau (disambiguation).

Ponceau 6R

Names
Other names

* Ponceau 6R

Identifiers

CAS Number

* 2766-77-0 Y

3D model (JSmol)

* Interactive image

ChEMBL |

* ChEMBL368082

ChemSpider |

* 16736230

EC Number |

* 220-441-4

PubChem CID

* 165025

UNII |

* W8UOR0932R Y

InChI

* InChI=1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14(30(24,25)26)11-18(31(27,28)29)19(13)20(17)22-21-16-7-3-5-12-4-1-2-6-15(12)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2

Key: FUGCXLNGEHFIOA-UHFFFAOYSA-L

SMILES

* [Na+].[Na+].[Na+].[Na+].Oc1cc(c2ccccc2c1N=Nc3c(O)c(cc4cc(cc(c34)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-]

Properties

Chemical formula

| C20H12N2Na2O7S2
Molar mass | 502.42 g·mol−1

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250,[1][2] is a red azo dye. It is soluble in water[2] and slightly soluble in ethanol. It was used as a food dye, formerly having E number E126. It is also used in histology, for staining fibrin with the MSB Trichrome stain.[2] It usually comes as disodium salt.

Amaranth is a closely related azo dye, also usable in trichrome staining.

## References

1. ↑ PubChem. "Crystal Ponceau 6R" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/165025.
2. ↑ 2.0 2.1 2.2 "Crystal ponceau 6R, red powder C.I. 16250" (in en). https://us.vwr.com/store/product/14512404/crystal-ponceau-6r-red-powder-c-i-16250.

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/Ponceau 6R. Read more

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Chemistry:Ponceau_6R&oldid=4029265"
*[CID]: Compound ID