Ponceau 3R

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.

Ponceau 3R
Names
Other names
C.I. Food Red 6
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.020.580
EC Number
  • 222-638-0
RTECS number
  • QJ6650000
UNII
  • InChI=1S/C19H18N2O7S2.2Na/c1-10-6-12(3)16(7-11(10)2)20-21-18-15-5-4-14(29(23,24)25)8-13(15)9-17(19(18)22)30(26,27)28;;/h4-9,22H,1-3H3,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2
    Key: SWPPXVFKWWEYSV-UHFFFAOYSA-L
  • CC1=CC(=C(C=C1C)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
Properties
C19H16N2Na2O7S2
Molar mass 494.44 g·mol−1
Hazards
GHS labelling:
GHS07: Exclamation markGHS08: Health hazard
Warning
H302, H315, H319, H335, H351
P201, P202, P261, P264, P270, P271, P280, P281, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References
  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 (1): 24–28. Bibcode:2011JChEd..88...24S. doi:10.1021/ed100545v.
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