A universally used colour with good all round stability, suitable for most foodstuff.
triSodium 3-hydroxy-4- (4-sulpho-1-naphthylazo) naphthalene-2-7-disulphonate
Water Solubility
100 grams per litre at 20°C
Classification
1971 C.I. 16185
Food Red 9
E.123
Class
Monoazo
| Light | 5 |
| Heat | |
| 100°C | 5 |
| 200°C | 3 |
| Alkali | 4 |
| Fruit Acids (Citric / Tartaric) | 4 |
| Preservatives | |
| Benzoic Acid | 4 |
| Sulphur Dioxide | 4 |
