Ponceau 3R

Ponceau 3R
Identifiers
CAS Number	3564-09-8;
ECHA InfoCard	100.020.580
CompTox Dashboard (EPA)	DTXSID7021231 ;
Properties
Chemical formula	C19H16N2Na2O7S2
Molar mass	494.44 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 3R (C.I. 16155) is an azo dye that once was used as a red food colorant.[1] It is one of a family of Ponceau (French for "poppy-colored") dyes.

References

Sharma, Vinita; McKone, Harold T.; Markow, Peter G. (2011). "A Global Perspective on the History, Use, and Identification of Synthetic Food Dyes". Journal of Chemical Education. 88: 24–28. doi:10.1021/ed100545v.

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[1] Sharma, Vinita; McKone, Harold T.; Markow, Peter G. (2011). "A Global Perspective on the History, Use, and Identification of Synthetic Food Dyes". Journal of Chemical Education. 88: 24–28. doi:10.1021/ed100545v.