| Description | Acid Yellow 9 monosodium salt (Hydrogen 4-aminoazobenzene-3,4'-disulphonate (sodium salt)) is an azo dye, degraded by Pseudomonas fluorescens as a sole source of nitrogen, carbon, and energy for the bacterium. |
| Synonyms | Hydrogen 4-aminoazobenzene-3,4'-disulphonate (sodium salt) |
| molecular weight | 379.34 |
| Molecular formula | C12H10N3NaO6S2 |
| CAS | 74543-21-8 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: 55 mg/ml (144.99 mM) |
| References | 1. Pandey BV, et al. Spectroscopic characterization and identification of Pseudomonas fluorescens mediated metabolic products of Acid Yellow-9. Microbiol Res. 2006;161(4):311-5. |