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ParafluorofentanylInfo
SummaryRare, 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.
DoseInsufflated Light: 10-25ug Common: 25-40ug Strong: 40-65ug+
OnsetOral: 5-10 minutes.
Insufflated: 0-1 minute.
DurationOral: 3-4 hours. | Insufflated: 2-3 hours.
After-effectsOral: 1-4 hours. | Insufflated: 1-2 hours.
Aliasespff
4-fluorofentanyl
Categoriesopioid
depressant
habit-forming
tentative