Tartrazine

Specification
Product Name Tartrazine
Colour Shade
Synonyms Food Yellow – 4
Chemical Name Tri-sodium 5-hydroxy-1-(4-Sulfonato phenyl-4-(4-Sulfonato phenylazo) pyrazole-3-carbaxylate
C.I. No 19140
C.I. Name Acid Yellow- 23
FDA Status FD&C Yellow – 5
CAS No. 1934-21-0
EINECS No. 217-699-5
E. NUMBER E-102
Test EEC (Limit)
Total colouring matters calculated as the sodium salt, percent by mass. Min. 85
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. 1
Total organic compound other than colouring matter, percent by mass.
4-hydrazinobenzene sulfonic acid
4-aminobenzene-1-sulfonic acid
5-oxo-1-(4-sulfophenyl)- 2-pyrazoline-3-carboxylic acid 4
4_-diazoaminodi(benzene sulfonic acid)
Tetrahydroxysuccinic Acid
Max. 0.50
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