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Effect Profile
Describes the acute effect. This profile does not influence the OpenMind Score.
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3,4-ETMC is a synthetic cathinone derivative and is classified as a research chemical. Due to its chemical structure and partially similar effects, it is often referred to as “legal MDMA.” Structurally and pharmacologically, the substance lies between 3-MMC and MDMA, but it is not metabolized into MDMA.
Effects & Dosing
Dosage
Oral
| Light | Common | Strong |
|---|---|---|
| 20-100 mg | 100-230 mg | 230-260 mg |
Duration
Oral
Onset 15 min - 40 min
Total Duration 2h - 4h
After Effects 1h - 2h
Safety & Risks
Safer Use
- Drink water or electrolyte beverages regularly.
- Avoid excessive drinking (> 1 L per hour) to prevent hyponatremia.
- Start with the lowest documented research dose (low mg range) – individual reactivity is unknown.
- No repeated uses in short intervals. Serotonin and dopamine systems need several weeks of recovery time.
- Adequate sleep, magnesium and vitamin B intake can support autonomic balance.
Media & Resources
Videos
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