Furanylfentanyl
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Also known as fu-f, furanyl-fentanyl
An extremely potent opioid analgesic and analogue of fentanyl. Concrete information is difficult to obtain about even basic properties like active dose, though it is believed to be slightly less potent and shorter in duration than butyrfentanyl. Exercise extreme caution. Will cause respiratory depression in overdose.
Insufflated
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 200–400 µg | 400–800 µg | 800–1600 µg | —+ |
01600 µg
LightCommonStrongHeavy
| Onset | 1–10 minutes |
|---|---|
| Total | 1–3 hours |
| After-effects | 1–3 hours |
OnsetCome-upPeakOffset
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 300–500 µg | 500–900 µg | 900–1600 µg | —+ |
01600 µg
LightCommonStrongHeavy
| Onset | 1–10 minutes |
|---|---|
| Total | 1–3 hours |
| After-effects | 1–3 hours |
OnsetCome-upPeakOffset
Plan when to take Furanylfentanyl — see where onset, peak and comedown land on the clock
Plan a dose of Furanylfentanyl
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Source: TripSit — Furanylfentanyl ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.