| INDIGO CARMINE | 
 NILE
CHEMICALS
NILE
CHEMICALS
| 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 (20 c) | 120 gram / litre | 
| Combined Ether Extract. (Max) | 0.20% | 
| Water Insoluble (Max) | 0.20% | 
| Class | Triarylmethane | 
| Light Stability | 6 | 
| Heat Stability (100 c) | 5 | 
| Alkali Stability | 3 | 
| Subsidiary Dyes (Max0 | 1.00% | 
| Dyes Intermediate (Max) | 1.00% | 
| Lead | < 10 ppm | 
| Arsenic | < 3 ppm | 
| Mercury | < 1 ppm | 
| Heavy Metals | < 20 ppm |