5-EAPB Stats & Data
[Cl-].CCNC(C)Cc1ccc2occc2c1.[H+]YJEXOIDIYJUVNS-UHFFFAOYSA-NReceptor Profile
Receptor Actions
Effect Profile
Curated + 2 ReportsStrong auditory effects with moderate body load, mild visuals, low headspace
Strong euphoria with moderate sensory enhancement, mild empathy and stimulation
Strong anxiety/jitters and euphoria with low stimulation
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Tolerance data for 5‑EAPB is not formally studied; model reflects community practice with MDMA‑like releasers: marked acute tolerance after one strong session, partial recovery after ~1–2 weeks, closer to baseline by ~4–6 weeks. Confidence low; individual variability high.
Cross-Tolerances
Experience Report Analysis
ErowidDemographics
Gender Distribution
Age Distribution
Reports Over Time
Legal Status
| Country | Status | Notes |
|---|---|---|
| Singapore | 5-EAPB is listed in the Fifth Schedule of the Misuse of Drugs Act (MDA) and therefore illegal in Singapore as of May 2015. | |
| United Kingdom | In the UK, all benzofurans are considered Class B drugs and are therefore illegal. |
Harm Reduction
drugs.wikiEvidence‑informed harm‑reduction points and caveats:
• 5‑HT2B agonism in vitro has been demonstrated within the benzofuran class, including 5‑EAPB, implying a theoretical risk of valvular heart disease with frequent or high cumulative exposure; space use widely and avoid regular weekly/monthly use.
• Combining with MAOIs, DXM, tramadol, or other serotonergic drugs increases serotonin syndrome risk; avoid these combinations and be alert to symptoms (agitation, clonus, hyperthermia). Reference interaction charts and clinical case overviews.
• Overheating and over‑hydration are both documented risks with MDMA‑like stimulants: take cooling breaks, don’t over‑exert, sip ~250–500 mL fluids per hour in hot/dancing conditions, and include electrolytes to reduce hyponatremia risk.
• Identity verification: reagent tests for 5‑EAPB can mimic MDMA/5‑APB/6‑APB reactions (dark/black on Marquis/Mecke). Lab testing is preferable where available; recent market reports show frequent 5‑APB / 6‑APB mislabeling.
• Dose conservatively and account for salt form; many samples are HCl. Avoid stacking redoses—subjective returns diminish while adverse effects accumulate. Reference doses are from user communities and should not be treated as guaranteed safe.
• Insufflation tends to increase acute side‑effects (irritation, tachycardia) and shorten duration; oral routes are generally more predictable based on community data.
• Serious toxicities and at least one suspected death have been flagged by European early‑warning networks for closely related benzofurans, including alerts naming 5‑EAPB; ultra‑high doses (hundreds of mg) are dangerous.
• Spacing: as with MDMA‑like releasers, allow several weeks between sessions to reduce tolerance and mood disturbances; frequent use is associated with prolonged insomnia and mood dips in reports.
References
Data Sources
Cited References
- Conditioned place preference and self-administration of 5-EAPB in rats (PubMed 2020)
- DEA/SWGDRUG Monograph - 5-EAPB analytical profile
- Death Following Consumption of MDAI and 5-EAPB - Fatal blood concentration case (Forensic Science International 2019)
- Erowid: 5-EAPB Experience Reports
- Novel psychoactive benzofurans strongly increase extracellular serotonin (PubMed 2016)
- Pharmacological profile of novel psychoactive benzofurans (British Journal of Pharmacology 2015)
- The psychoactive aminoalkylbenzofuran derivatives 5-APB and 6-APB mimic MDA effects (PMC 2020)
- TripSit: Drug Combinations Chart
- Conditioned place preference & self-administration of 5-EAPB in rats
- UK fatality after 5-EAPB ingestion
Drugs.wiki References
- Pharmacological profile of novel psychoactive benzofurans (includes 5‑EAPB receptor data/5‑HT2B agonism)
- TripSit Drug Combination Chart (overview of risky serotonergic/stimulant combinations)
- TripSit Wiki – Drug combinations (serotonergic cautionary pairs incl. MAOIs/SSRIs/DXM/tramadol)
- Erowid MDMA Water Issues – dehydration, hyperthermia, and hyponatremia guidance
- DrugWise – Why do people die after taking ecstasy? (hyperthermia, hyponatremia mechanisms)
- Erowid – DrugsData / drug checking background (misrepresentation common; lab testing value)
- Drugs‑Forum Wiki – 5‑EAPB (reagent reactions; basic descriptive info)
- Bluelight – 5‑EAPB thread quoting EU Early Warning System alert (suspected fatality)
- Reddit – vendor listing correction (6‑APB mislabeled as 5‑APB; supports mislabel risk)