| Bioactivity | Pyrromethene 556 (PM556) is a green-fluorescent polar tracer dye. It is used for investigations of membrane fusion, lysis, and gap-junctional communication and to detect volume changes in cells or liposomes. |
| Name | Pyrromethene 556 |
| CAS | 121461-69-6 |
| Formula | C14H15BF2N2Na2O6S2 |
| Molar Mass | 466.20 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |