Black PN

Specification
Product Name Black PN
Colour Shade
Synonyms Food Black – 1
Chemical Name Tetrasodium 4-acetamido-5-hydroxy-6-[7-sulfonato-4- (4-sulfonatophenylazo)-1-naphthylazo] naphthalene-1,7- disulfonate
C.I. No 28440
C.I. Name
FDA Status
CAS No. 2519-30-4
EINECS No. 219-746-5
E. NUMBER E-151
Test EEC (Limit)
Total colouring matters calculated as the sodium salt, percent by mass. Min. 87
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 (calculated as aniline). Max. 0.01
Subsidiary dyes, percent by mass. Max. 4
Total organic compound other than colouring matters, percent by mass
4-acetamido-5-hydroxynaphthalene- 1,7-disulfonic acid
4-amino-5-hydroxynaphthalene-1,7- disulfonic acid
8-aminonaphthalene-2-sulfonic acid
4,4 -diazoaminodi-(benzenesulfonic acid)
Max. 0.80
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