|
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 |
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