Acid red 13

Acid red 13
Identifiers
CAS Number	2302-96-7;
3D model (JSmol)	Interactive image;
EC Number	218-958-5;
PubChem CID	9570106;
UNII	5926AP228X;
	InChI InChI=1S/C20H14N2O7S2.2Na/c23-18-9-5-12-11-13(30(24,25)26)6-7-14(12)20(18)22-21-17-8-10-19(31(27,28)29)16-4-2-1-3-15(16)17;;/h1-11,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-20-;; Key: XYTVLRKJXNXOOI-CAPIVQQTSA-L;
	SMILES C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])NN=C3C4=C(C=CC3=O)C=C(C=C4)S(=O)(=O)[O-].[Na+].[Na+];
Properties
Chemical formula	C20H12N2Na2O7S2
Molar mass	502.42 g·mol−1
Appearance	red solid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Acid Red 13 is an azo dye.^[1] It is produced as a sodium salt. Solid samples appear dark red.

References

^ Klaus Hunger; Peter Mischke; Wolfgang Rieper; Roderich Raue; Klaus Kunde; Aloys Engel (2005). "Azo Dyes". Ullmann’s Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_245. ISBN 3527306730..