Ponceau 4R

Ponceau 4R

Specification
Product NamePonceau 4R
Colour ShadePonceau 4R
SynonymsAcid Red 18
Chemical Name( Trisodium 2-hydroxy-1-(4-sulfonato-1-naphtylazo)- naphtalene-6,8-disulfonate
C.I. No16255
C.I. NameFood Red 7
FDA Status
CAS No.2611-82-7
EINECS No.220-036-2
E. NUMBERE-124
TestEEC (Limit)
Total colouring matters calculated as the sodium salt percent by massMin.80
Water insoluble matter, percent by massMax.0.20
Combined ether extract, percent by massMax.0.20
Unsulfonated Primary aromatic amines. percent by massMax.0.01
Subsidiary dyes, percent by massMax.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