Misplaced Pages

Yellow 2G

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.

Yellow 2G
Names
IUPAC name Disodium 2,5-dichloro-4-benzenesulfonate
Other names
  • Lissamine Fast Yellow
  • C.I. Acid Yellow 17
  • C.I. 18965
  • Light Fast Yellow 2G
  • C.I. Food Yellow 5
  • Acid Leather Yellow 2GL
  • Erio Flavine SX
  • Fenalan Yellow G
  • Erio Flavine 3G
  • Kayacyl Yellow GG
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.026.199 Edit this at Wikidata
E number E107 (colours)
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C16H12Cl2N4O7S2.2Na/c1-8-15(20-19-9-2-4-10(5-3-9)30(24,25)26)16(23)22(21-8)13-6-12(18)14(7-11(13)17)31(27,28)29;;/h2-7,15H,1H3,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2Key: FTZLWXQKVFFWLY-UHFFFAOYSA-L
  • acid: InChI=1S/C16H12Cl2N4O7S2/c1-8-15(20-19-9-2-4-10(5-3-9)30(24,25)26)16(23)22(21-8)13-6-12(18)14(7-11(13)17)31(27,28)29/h2-7,15H,1H3,(H,24,25,26)(H,27,28,29)/p-2/b20-19+Key: DWYWPBYWDAZKNX-FMQUCBEESA-L
SMILES
  • CC1=NN(C(=O)C1N=NC2=CC=C(C=C2)S(=O)(=O))C3=CC(=C(C=C3Cl)S(=O)(=O))Cl..
Properties
Chemical formula C16H10N4Na2O7S2
Molar mass 480.38 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Yellow 2G is a food coloring denoted by E number E107 with the color index CI18965. It has the appearance of a yellow powder, and it is soluble in water. It is a synthetic yellow azo dye.

It is not listed by the UK's Food Standards Agency among EU approved food additives. Its use is also banned in Austria, Japan, Norway, Sweden, Switzerland and the United States.

References

  1. Current EU approved additives and their E Numbers, Food Standards Agency, 26 November 2010

External links

Media related to Yellow 2G at Wikimedia Commons

Categories: