4-Fluorobutyrfentanyl
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2 sources
Collated from TripSit, Pharmacology. Where sources differ (e.g. dosing), Compare shows them side by side.
Also known as pfbf, 4-fluorobutyrfentanyl, 4-fbfTS
Rare, little known and extremely potent RC analogue of Fentanyl. This powerful opioid is generally only dispensed as a nasal spray. Handle with extreme caution and never mix with other depressants.TS
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | — | 600–900 µg | 900–1200 µg | —+ |
01200 µg
LightCommonStrongHeavy
| Total | 30–60 minutes |
|---|
Plan when to take 4-Fluorobutyrfentanyl — see where onset, peak and comedown land on the clock
Plan a dose of 4-Fluorobutyrfentanyl
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