| Description | OG 488, a fluorescent pH indicator (acid), is widely used in biochemistry and neurosciences, offering numerous applications. |
| molecular weight | 412.301 |
| Molecular formula | C21H10F2O7 |
| CAS | 195136-52-8 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| References | 1. Angel Orte, et al. Absorption and emission study of 2',7'-difluorofluorescein and its excited-state buffer-mediated proton exchange reactions. J Phys Chem A. 2005 Feb 10;109(5):734-47. |