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The Ultimate Chemistry of Color
 
  Food Colours  
 
Tartrazine | Carmoisine | Sunset Yellow FCF | Ponceau 4R | Chocolate Brown HT | Amaranth

Brilliant Blue FCF | Indigo Carmine | Erythrosine | Quinoline Yellow | Allura Red
Allura Red
Colour Index No. 16035
Food Colour No. Red 17
F.D. & C. No. Red 40
CAS NO. 25956-17-6
E.E.C. No. E-129
Total Dye Content Corrected for Sample (Min.) 85%
Volatile Matter (chloride & sulphate) (Max) 15%
Solubility In Water (20oc) 120 gram / litre
Combined Ether Extract. (Max) 0.20%
Water Insoluble (Max) 0.20%
Class Monoazo
Light Stability 4
Heat Stability (100oc) 5
Alkali Stability 4
Subsidiary Dyes (MAX) 10.00%
Dyes Intermediate (Max) 0.50%
Lead < 10 ppm
Arsenic < 1 ppm
Mercury < 1 ppm
Heavy Metals < 20 ppm
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Brilliant Blue FCF
Colour Index No. 42090
Food Colour No. Blue 2
F.D. & C. No. Blue 1
CAS NO. 3844-45-9
E.E.C. No. E-133
I.S. No. 6406
Total Dye Content Corrected for Sample (Min.) 87%
Volatile Matter (chloride & sulphate) (Max) 13%
Solubility In Water (20oc) 120 gram / litre
Combined Ether Extract. (Max) 0.20%
Water Insoluble (Max) 0.20%
Class Triarylmethane
Light Stability 5
Heat Stability (100oc) 5
Alkali Stability 5
Subsidiary Dyes (MAX) 3.00%
Dyes Intermediate (Max) 1.80%
Lead < 10 ppm
Arsenic < 3 ppm
Mercury < 1 ppm
Heavy Metals < 20 ppm
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Indigo Carmine
Colour Index No. 73015
Food Colour No. Blue 1
F.D. & C. No. Blue 2
CAS NO. 860-22-0
E.E.C. No. E-132
I.S. No. 1698
Total Dye Content Corrected for Sample (Min.) 87%
Volatile Matter (chloride & sulphate) (Max) 13%
Solubility In Water (20oc) 120 gram / litre
Combined Ether Extract. (Max) 0.20%
Water Insoluble (Max) 0.20%
Class Triarylmethane
Light Stability 6
Heat Stability (100oc) 5
Alkali Stability 3
Subsidiary Dyes (MAX) 1.00%
Dyes Intermediate (Max) 1.00%
Lead < 10 ppm
Arsenic < 3 ppm
Mercury < 1 ppm
Heavy Metals < 20 ppm
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Erythrosine
Colour Index No. 45430
Food Colour No. Red 14
F.D. & C. No. Red 3
CAS NO. 16423-68-0
E.E.C. No. E-127
I.S. No. 1697
Total Dye Content Corrected for Sample (Min.) 87%
Volatile Matter (chloride & sulphate) (Max) 13%
Solubility In Water (20oc) 120 gram / litre
Combined Ether Extract. (Max) 0.20%
Water Insoluble (Max) 0.20%
Class Xanthene
Light Stability 3
Heat Stability (100oc) 4
Alkali Stability 3
Subsidiary Dyes (MAX) 4.00%
Dyes Intermediate (Max) 0.50%
Lead < 10 ppm
Arsenic < 3 ppm
Mercury < 1 ppm
Heavy Metals < 20 ppm
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Quinoline Yellow
Colour Index No. 47005
Food Colour No. Yellow 13
F.D. & C. No. Yellow 10
CAS NO. 100208-62-6
E.E.C. No. E-104
Total Dye Content Corrected for Sample (Min.) 70%
Volatile Matter (chloride & sulphate) (Max) 30%
Solubility In Water (20oc) 120 gram / litre
Combined Ether Extract. (Max) 0.20%
Water Insoluble (Max) 0.20%
Class Xanthene
Light Stability 4
Heat Stability (100oc) 4
Alkali Stability 4
Subsidiary Dyes (MAX) 1.50%
Dyes Intermediate (Max) 0.50%
Lead < 10 ppm
Arsenic < 3 ppm
Mercury < 1 ppm
Heavy Metals < 20 ppm
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SPECIFICATIONS
Appearance Fluffy Amorphous Powder
Total Dye Content on as is Basis Up to 40%
Solubility Insoluble in Water
Moisture Content at 110oC Less then 17%
Bleeding or free Dye Content Less then 0.4% On Dry Basis
pH of 2% Slurry in Distilled Water 3.5 to 5.5
Partical Size 300 Mesh Or 50 - 80 Microns
Bulk Density About 0.3 to 0.4 G / ML
Heavy Metal 20 PPM Maximum
Lead 10 PPM Maximum
Arsenic & Mercury 1 PPM Maximum
Tartrazine | Carmoisine | Sunset Yellow FCF | Ponceau 4R | Chocolate Brown HT | Amaranth

Brilliant Blue FCF | Indigo Carmine | Erythrosine | Quinoline Yellow | Allura Red