Educational content for trained professionals. Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use.

3,4-Methylenedioxymethamphetamine

Also known as: MDMA · Ecstasy · 3,4-methylenedioxymethamphetamine · Midomafetamine

CAS No.
42542-10-9
Formula
C11H15NO2
Molar mass
193.24 g/mol
PubChem CID
1615
GHS pictograms
GHS pictogram: ToxicToxic
GHS pictogram: Harmful / IrritantHarmful / Irritant
2D structure of 3,4-Methylenedioxymethamphetamine
2D structure · PubChem CID 1615

Summary

3,4-Methylenedioxymethamphetamine (C11H15NO2), CAS 42542-10-9. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.

Background

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Hazards

GHS pictogram: Toxic
Toxic (GHS06)

May be fatal even in small doses.

GHS pictogram: Harmful / Irritant
Harmful / Irritant (GHS07)

May cause skin, eye or respiratory irritation.

Hazard statements

  • H301: Toxic if swallowed [Danger Acute toxicity, oral]
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure

Storage

Temperature

Keep at room temperature, below 30 °C, out of direct heat.

Ventilation

Store somewhere well-ventilated and away from any ignition source.

Containers

Metal drums or tinted glass, tightly sealed.

Keep away from

Strong acids, strong bases and powerful oxidizers.

Personal protective equipment

Gloves

Nitrile or butyl, at least 0.4 mm thick.

Eye protection

Safety goggles with side shields.

Respirator

A2 organic-vapor cartridge if the room isn't well ventilated.

Occupational exposure limits (HSE)

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EU harmonised classification (ECHA C&L)

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Transport

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FDA recalls & enforcement

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Compatibilities

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Practical safety notes

  • Acute toxicity. Work under a fume hood, restrict access, keep a specific antidote plan available.
  • Irritant / harmful. Ventilate the workspace and avoid skin contact.

Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.

FAQ

Is 3,4-Methylenedioxymethamphetamine flammable?+

3,4-Methylenedioxymethamphetamine (CAS 42542-10-9) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.

What PPE should I wear when handling 3,4-Methylenedioxymethamphetamine?+

Safety glasses with side shields and nitrile gloves are the baseline. Work inside a fume hood or use a suitable respirator. Check SDS section 8 for material-specific breakthrough times.

How should 3,4-Methylenedioxymethamphetamine be stored?+

Store 3,4-Methylenedioxymethamphetamine (CAS 42542-10-9) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.

Is 3,4-Methylenedioxymethamphetamine dangerous for the environment?+

No specific environmental pictogram (GHS09) is listed in our records for 3,4-Methylenedioxymethamphetamine, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.

Where can I find the official Safety Data Sheet for 3,4-Methylenedioxymethamphetamine?+

Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.

Ask about this product

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