Ponceau 6R

Ponceau 6R
Names
	Other names Ponceau 6R;
Identifiers
CAS Number	2766-77-0 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL368082;
ChemSpider	16736230;
EC Number	220-441-4;
PubChem CID	165025;
UNII	W8UOR0932R ;
	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

↑ PubChem. "Crystal Ponceau 6R" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/165025.
↑ ^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.

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[1] PubChem. "Crystal Ponceau 6R" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/165025.

[:0-2] 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.

[1]

[2]

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

Topic: Chemistry

References