Dynemic Products Limited Shade & Specification
Specification
 Product Name  PONCEAU 4R
Colour Shade
 
 Synonyms  Acid Red 18
 Chemical Name  Trisodium-2-hydroxy-1-(4-Sulfonato-1-Naphthylazo)  naphthalene-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
 E. NUMBER  E-124

Sr. No.
Test EEC
  Limit
1  Total dye content, percent by mass on dry basis
 at 105 ± 1°C for 2 hrs.)
Min. 80.00
2  Loss on drying at 135°C and sodium chloride
 and sulphate, percent by mass
Max 20.00
3  Water insoluble matter, percent by Mass Max 00.20
4  Combined ether extract, percent by mass Max 00.20
5  Unsulfonated Primary aromatic amines, percent by mass  (calculated as aniline) Max 00.01
6  Subsidiary dyes, percent by mass Max 01.00
7  Dye Intermediates, 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
8  Heavy metals Lead, Copper, Chromium, Arsenic,  Mercury, Zinc, Antimony, Nickel, Barium,(PPM) Max 40
9  Arsenic (PPM) Max 03
10  Lead (PPM) Max 10
11  Mercury (PPM) Max 01
12  Cadmium (PPM) Max 01