NILE CHEMICALS

 TARTRAZINE  GR 

Certificate of Analysis

TARTRAZINE
. . .
Test Specification  Results
Prodcut Code : ER-120  .  .
Colour Index No. 19140  .
Food Colour No. Yellow 4  .
F.D. & C. No. Yellow 5  .
CAS NO. 1934-21-0  
E.E.C. No. E-102  .
I.S. No. 1694  .
Total Dye Content Corrected for Sample (Min.) 87% 91%
Volatile Matter (chloride & sulphate) (Max) 13% 11%
Solubility In Water (20 c) 120 gram / litre complies
Combined Ether Extract. (Max) 0.20% complies
Water Insoluble (Max) 0.20% complies
Class Monoazo  
Light Stability 6  
Heat Stability (100 c) 5  
Alkali Stability 4  
Subsidiary Dyes (Max0 1.00% 0.75%
Dyes Intermediate (Max) 0.50% 0.35%
Lead < 10 ppm complies
Arsenic < 3 ppm complies
Mercury < 1 ppm complies
Heavy Metals < 20 ppm complies

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