↳ Index > Factsheets > Butyrfentanyl
| Butyrfentanyl | Info |
|---|
| Summary | Potent short-acting opioid and fentanyl analogue. Often dispensed in a nasal spray. This is an highly potent drug - exercise extreme caution. May cause respiratory depression and death in overdose. |
| Dose | Oral Light: 400-800ug Common: 800-1500ug Strong: 1.5-3mg Note: It's a potent drug, be careful. |
| Onset | Oral: 15-30 minutes. Insufflated: 5-10 minutes. |
| Duration | Oral: 3-4 hours. Insufflated: 2-3 hours. |
| Alias | b-f |
| Categories | opioid research-chemical habit-forming tentative depressant |
| Aliases | bf b-f |
| Avoid | All other CNS depressants. |
| After-effects | 1-4 hours. |