| Description | Sudan II (Solvent Orange 7) is a dyes. |
| Synonyms | 苏丹红Ⅱ, Solvent Orange 7, Sudan Red II |
| molecular weight | 276.33 |
| Molecular formula | C18H16N2O |
| CAS | 3118-97-6 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | DMSO: 28 mg/mL (101.32 mM) |
| References | 1. Di Anibal CV, et al. Determining the adulteration of spices with Sudan I-II-II-IV dyes by UV-visible spectroscopy and multivariate classification techniques. Talanta. 2009 Aug 15;79(3):887-92. |