Parafluorofentanyl
Aliases: pff, 4-fluorofentanyl
Categories
Summary
Rare, little known and extremely potent analogue of Fentanyl developed by Janssen Pharmaceutica in the 1960s. Use with extreme caution and never mix with other depressants.
Dose Information
Onset, Duration & After-effects
- Onset:
- Oral: 5-10 minutes
- Insufflated: 0-1 minutes
- Duration:
- Insufflated: 2-3 hours
- Oral: 3-4 hours
- After-effects:
- Oral: 1-4 hours
- Insufflated: 1-2 hours