Fd & C Yellow No.5

FD & C Yellow No.5
Common Name: TartrazineChemical Name: 5-oxo-1-(p-sulphophenyl)-4-[(p-sulphophenyl)azo]-2-pyrazoline-3- carboxylic acid, trisodium salt.CI No. 19140; CI Food Yellow 4CAS No. 1934-21-0, E-102Structural formula NameU.S. FD & C Yellow #5 Certified E.C. Tartrazine E 102  Pure Dye Content87% min.  85% min Volatile Matter & Salt 13% max. - Water Intermediates 0.2% max. 0.2% max.Dye Intermediates-0.5% max. Sulphonilic acid 0.20% max. - Ethyl ester, pyrazolone T 0.10% max. - Pyrazolone T 0.20% max - Triazene 0.05% max - Subsidiary Dyes - 1.0% max Lower Sulphonated 0.50% max - Ester of colour 1.00% max - Peak 5 1.00% max - Peak 7 1.00% max - Ether Extracts - 0.20% max Lead 10 ppm max 10 ppm max Arsenic 3 ppm max 3 ppm max Heavy Metal - 40 ppm max Mercury 1 ppm max 1 ppm max Cadmium - 1 ppm max Total Primary Amines - 0.01% max. Aniline 100 ppb max - Benzidine 1 ppb max - Aminobiphenyl 5 ppb max Aminoazobenzene 75 ppb max