Roidipedia.Compound reference & reporting
05 AUG 2026
CompoundsResearch chemical BDB
Research chemicalEntactogenSerotonin releaserBenzodioxole

BDB

Also known as J · 1,3-benzodioxolylbutanamine · alpha-ethyl-MDA

BDB (1,3-benzodioxolylbutanamine) is the primary-amine, alpha-ethyl homolog of MDA and the N-desmethyl counterpart of MBDB. It is a serotonin-selective entactogen studied by David Nichols, producing MDMA-like emotional openness with minimal stimulation and little euphoria. Human data are minimal.

01 Overview

BDB, along with its N-methyl homolog MBDB, was used in academic research to define the entactogen class as distinct from stimulants and psychedelics. It reliably produces gentle emotional relaxation with weak reward, often described as subtle.

Beyond early exploratory work, human data are scarce. Its serotonin-releasing action carries theoretical neurotoxicity and serotonin-syndrome risk. It is controlled or analog-covered in many jurisdictions.

02 Mechanism

Alpha-ethyl benzodioxole acting as a relatively serotonin-selective releasing agent at the serotonin transporter with weak dopamine activity.

03 Dosing

TierDoseRouteNotes
Light100–150 mgOralThreshold-to-light
Common150–250 mgOralLess potent than MDMA by weight

04 Effects

EffectMagnitudeEvidence
Emotional relaxationGentle openness and calm with little euphoria.Mild-moderateAnecdotal
Minimal stimulationSubtle profile with little of MDMA's drive.MinimalAnecdotal

05 Side effects

EffectSeverityFrequencyEvidenceCountermeasures
Serotonin syndromeSerotonin release can precipitate serotonin toxicity in combination.Life-threateningRare, elevated with serotonergic drugsObservational
Serotonergic neurotoxicitySerotonin-releasing entactogens carry theoretical axonal neurotoxicity as with MDMA.SevereTheoreticalPreclinical
BruxismJaw clenching typical of serotonin releasers.MildCommonAnecdotal

07 References

Nichols DE et al. Structure-activity of entactogens BDB and MBDBJournal of Medicinal Chemistry, 1990

08 Discussion0 comments

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This page is reference information, not medical advice. Doses and protocols are documented as they appear in the clinical literature and in practice — describing them is not a recommendation to use them. Countermeasures listed here are not a substitute for a physician. Legal status varies by jurisdiction and changes.