Colour Index No 16255
E Number E 124
Food Colour Name Red 7
CAS No 2611827
Class Monoazo
Total Dye Content min 82
Loss on Drying at 135 C Sodium Chloride Sulphates max 18
Water Insoluble Matter max 02
Ether Extracts max 02
Subsidiary Dye max 10
Dyes Intermediates max 05
Unsulphonated Primary Aromatic Amines max 001
Lead Pb ppm max 1000
Arsenic As ppm max 100
Mercury Hg ppm max 100
Chromium Cr ppm max 50
Heavy Metal ppm max 4000
Solubility at Room Temperature
Water gmltr 14000
Glycerine gmltr 1000
Propylene Glycon gmltr 5000
Ethanol 95 gmltr Trace
Stability to
Acids Excellent
Neutral Excellent
Alkaline Good
Baking 205 C 400 F Best
Light Better
Heat Best