| Specification | |
| Product Name | Red 2G S | 
| Colour Shade |  | 
| Synonyms | Acid Red 1 | 
| Chemical Name | Disodium 8-acetamido-1-hydroxy-2-phenylazo-naphthalene-3,6-disulfonate | 
| C.I. No | 18050 | 
| C.I. Name | Food Red 10 | 
| FDA Status | --- | 
| CAS No. | 3734-67-6 | 
| EINECS No. | 223-098-9 | 
| E. NUMBER | E-128 | 
| Test | EEC (Limit) | |
| Total colouring matters calculated as the sodium salt percent by mass | Min. | 80 | 
| Water insoluble matter, percent by mass | Max. | 0.20 | 
| Combined ether extract, percent by mass | Max. | 0.20 | 
| Unsulfonated Primary Aromatic amines. percent by mass | Max. | 0.01 | 
| Subsidiary dyes, percent by mass | Max. | 2 | 
| Dye Intermediates, percent by mass | Max. | 0.50 | 
| Heavy metals as pb, (mg/kg.) | Max. | 40 | 
| Arsenic (mg/kg.) | Max. | 3 | 
| Lead (mg/kg.) | Max. | 2 | 
| Mercury (mg/kg.) | Max. | 1 | 
| Cadmium (mg/kg.) | Max. | 1 |