Ponceau 6R

Ponceau 6R

Names
Other names Ponceau 6R
Identifiers
CAS Number	2766-77-0 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL368082
ChemSpider	16736230
PubChem CID	165025
UNII	W8UOR0932R Y
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, is a red azo dye. It is soluble in water and slightly soluble in ethanol. It is used as a food dye, with E number E126. It is also used in histology, for staining fibrin with the MSB Trichrome stain. It usually comes as disodium salt.

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

This article does not cite any external source. HandWiki requires at least one external source. See citing external sources. Please help improve this article. Unsourced material may be removed in future. Find sources: "Ponceau 6R" – news · newspapers · books · scholar · JSTOR (2021) (Learn how and when to remove this template message)

0.00 (0 votes) Original source: https://en.wikipedia.org/wiki/Ponceau 6R. Read more