Simply the best. But first let me give you a background, and I apologize if it sounds like the Res Gestae Divi Augustus, but I have been around. A lot of strands in old Duder's head.
Ethchlorvynol
Encyclopedic
Encyclopedic
Typical encyclopedia coverage. Cross-reference for important decisions.
- 2 corroborating sources
- 1 ROA with full dose ladder
- duration data present
- PubChem toxicity data
Encyclopedic
Typical encyclopedia coverage. Cross-reference for important decisions.
- 2 corroborating sources
- 1 ROA with full dose ladder
- duration data present
- PubChem toxicity data
Aliases: Placidyl, Ethchlorvnol, placdyl
Summary
Ethchlorvynol has been used to treat insomnia. Due to its barbiturate-like problems concerning abuse and overdose, U.S. manufacturers discontinued it in 1999.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 100-200mg | 200-500mg | 500-750mg | 750mg+ |
Onset, Duration & After-effects
| ROA | Onset | Peak | Total |
|---|---|---|---|
| Oral | 15-45 min | 6-9 hrs | 6-9 hrs |
Effects
Effect glossary — · full glossary
Positive
Negative
Positive
Negative
Positive
Negative
Community Trip Reports
Anecdotal first-person accounts from Reddit, Erowid, Bluelight, and Dose.wiki. Click a source to expand. Reports are harm-reduction context, not medical guidance. Tags summarise each author's own verdict — how reports are classified.
Erowid 2 reports 1 positive 1 neutral visit
I was prescribed 30 red gel capsules of Placidyl (Ethchlorvynol) which was meant to be taken at bedtime. I have read about them, but I never tried them out before and I was anxious to sample its effects. Yes, anxious. Even though they were prescribed to me for sleep, I didn't care.
Pill Identifiers
2
known pill identifiers on record — view imprints, colors, shapes, and images
→
Ethchlorvynol's nerd page
Pharmacology, chemical data, effect profiles, and more
→
Helpful Links
Add to PsychonautWiki Journal
The PsychonautWiki Journal logging app doesn't include every substance. To track Ethchlorvynol there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:
⬇ Download import file
Import this file as custom substances
and you get "Ethchlorvynol (Substance Search)" with every
route's full dose ladder and timeline, no typing. Works on iOS and
Android (v15+); the format is confirmed by the app's
developer. The manual values below work for older
versions.
Name
Ethchlorvynol
Unit
mg
Description
Ethchlorvynol Source: SubstanceSearch (substancesearch.com) Oral dose (mg): light 100-200 · common 200-500 · strong 500-750 · heavy 750+ Oral duration: onset 15-45m · peak 6-9h · total 6-9h · after-effects 1-6h Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.
Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 350 mg (Oral).
The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.
Report an issue or suggest an edit
Spotted incorrect or dangerous information, have a correction, a new study, or a useful addition for Ethchlorvynol? Let us know. Reports are reviewed by moderators — this is not posted publicly.