| Chemical Name | Direct Red 31 |
| C.I. No. | 29100 |
| CAS No. | 5001-72-9 |
| Synonyms | Direct Red 12B, Direct Fast Orange TGLL, Direct Pink 5B |
| Molecular Formula | C32H21N5Na2O8S2 |
| Molecular Weight | 713.64738 |
| Chemical Name | Direct Red 31 |
| C.I. No. | 29100 |
| CAS No. | 5001-72-9 |
| Synonyms | Direct Red 12B, Direct Fast Orange TGLL, Direct Pink 5B |
| Molecular Formula | C32H21N5Na2O8S2 |
| Molecular Weight | 713.64738 |