| Description | C.I. Vat Yellow 2 (Calcoloid Yellow GCD) is a yellow dye agent that can also be used to detect adsorption behavior on natural sediments. |
| Synonyms | Caledon Printing Yellow 5G, Vat Yellow 2, Calcoloid Yellow GCD |
| molecular weight | 474.55 |
| Molecular formula | C28H14N2O2S2 |
| CAS | 129-09-9 |
| 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: < 1 mg/mL (insoluble） |
| References | 1. Chen J,et al. Decolourization performance in C. I. Vat Yellow 1 aqueous suspension using hydrophobically modified poly(acrylic acid). Water Sci Technol. 2011;63(8):1638-43. |