| Bioactivity | Histamine (phosphate) diphosphate is a potent agonist of histamine receptors and vasodilator. It can activate nitric oxide synthetase. |
| Name | Histamine phosphate |
| CAS | 51-74-1 |
| Formula | C5H15N3O8P2 |
| Molar Mass | 307.14 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |