Ponceau 4R
Specification
 Product Name  PONCEAU 4R
Colour Shade
 
 Synonyms Food Red-7
 Chemical Name Trisodium 2-hydroxy-1-(4- sulfonato-1-naphtylazo)-naphtalene-6,8-disulfonate
 C.I. No 16255
 C.I. Name Acid Red -18
 FDA Status  --
 CAS No.  2611-82-7
 EINECS No.  220-036-2
 E. NUMBER  E-124
Sr. No.
Test EEC
  Limit
1 Total colouring matters calculated as the sodium salt percent by mass. Min. 80.00
2  Water insoluble matter, percent by Mass Max 00.20
3  Combined ether extract, percent by mass Max 00.20
4 Unsulfonated Primary aromatic amines. percent by mass. Max 00.01
5  Subsidiary dyes, percent by mass Max 01.00
6 Total organic compound other than colouring matters, percent by mass.
4-aminonaphthalene-1-sulfonic acid
7-hydroxynaphthalene-1,3-disulfonic acid
3-hydroxynaphthalene-2,7-disulfonic acid
6-hydroxynaphthalene-2-sulfonic acid
7-hydroxynaphthalene-1,3-6- trisulfonic acid
Max 00.50
7 Heavy metals as pb(mg/kg.) Max 40
8 Arsenic (mg/kg.) Max 03
9 Lead (mg/kg.) Max 2
10 Mercury(mg/kg.) Max 01
11 Cadmium( mg/kg.) Max 01