Product Name Black PN
Colour Shade Black PN,Food Colour India 
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
Test EEC (Limit)
Total colouring matters calculated as the sodium salt percent by mass Min. 80
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 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
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