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  • Psychedelic
Main effects:
  • Anecdotal report of being comparable to AL-LAD.[1]
  • Possible main effects: open and closed eye visuals, euphoria, change in perception of time.
Side effects:
  • Possible side effects: nausea, vasoconstriction, unusual body sensations (facial flushing, chills, goosebumps, body energy), slight increase in heart rate, difficulty focusing
Health risks:
  • Possible mental side effects: paranoia, fear, and panic. Hallucinogen persisting perception disorder.
  • No other known specific physical risks at this time.
Important safety remarks:
  • 1P-ETH-LAD is a research chemical not mentioned in academic literature. The LD50 (median lethal dose) or long term / pharmacological / behavioral risks are not known.
  • 1P-ETH-LAD is likely a controlled substance analogue under US law if intended for human consumption.
  • This chemical is active in the microgram (µg) range. Please use caution when working with this substance, a calibrated milligram scale and liquid measurement are vital.
  • Do not ingest 1P-ETH-LAD when your mental or physical health is poor. Observe the set and setting.

Chemical and physical properties

  • Systematic (IUPAC) name: (6aR,9R)-4-propionyl-N,N-diethyl-7-ethyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide
  • Synonym: 1P-ETH-LAD, 1-propionyl-6-ethyl-6-nor-lysergic acid diethyamide
  • Formula: C24H31N3O2
  • Salt: L-tartrate
  • Appearance: Off-white crystalline powder
  • Paper: High absorbancy blotting paper (perforated)
  • Square Perforation: 9x9mm
  • Quantity of 1P-ETH-LAD/Square: 100mcg


It's likely that the substance behaves like 1P-LSD and ETH-LAD.[2] Don't start with doses over 100µg, it's likely that the threshold of this material is 1/4 of a blot, which is 25µg.



  1. http://www.bluelight.org/vb/threads/781229-1P-Eth-Lad-quot-The-Third-Journey-quot
  2. http://www.bluelight.org/vb/threads/781229-1P-Eth-Lad-quot-The-Third-Journey-quot