Product Name Ponceau 4R
Colour Shade Ponceau 4R
Synonyms Acid Red 18
Chemical Name ( Trisodium 2-hydroxy-1-(4-sulfonato-1-naphtylazo)- naphtalene-6,8-disulfonate
C.I. No 16255
C.I. Name Food Red 7
FDA Status
CAS No. 2611-82-7
EINECS No. 220-036-2
Test EEC (Limit)
Total colouring matters calculated as the sodium salt percent by mass Min. 80
Water insoluble matter, percent by mass Max. 0.20
Combined ether extract, percent by mass Max. 0.20
Unsulfonated Primary aromatic amines. percent by mass Max. 0.01
Subsidiary dyes, percent by mass Max. 1
Organic compound other than coloring matter, percent by mass, MAX.
4-aminonaphthalene-1-sulfonic acid
7-hydroxynaphthalene-1-3-sulfonic acid
3-hydroxynaphthalene-2,7-disulfonic acid
6-hydroxynaphthalene-2-sulfonic acid
7-hydroxynaphthalene-1,3-6- trisulfonic acid
Max. 0.50
Heavy metals as pb(mg/kg.) Max. 40
Arsenic (mg/kg.) Max. 3
Lead (mg/kg.) Max. 2
Mercury (mg/kg.) Max. 1
Cadmium (mg/kg.) Max. 1
Scroll to Top