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 Sr. No. Test EEC   Limit 1 Total colouring matters calculated as the sodium salt, percent by mass. Min. 85.00 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 (calculated as aniline). Max 00.01 5 Subsidiary dyes, percent by mass. Max 01.00 6 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) 4_-diazoaminodi(benzene sulfonic 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