Butyrfentanyl
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Also known as bf, b-f
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.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 400–800 µg | 800–1500 µg | 1.5–3 µg | —+ |
01500 µg
LightCommonStrongHeavy
| After-effects | 1–4 hours |
|---|
Source: TripSit — Butyrfentanyl ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.