CompoundsOrganic Compounds3,4-Dimethoxyphenethylamine CAS 120-20-7

SKU: WGP-120-20-7




ChEBI: An aromatic ether that is the derivative of 2-phenylethylamine with methoxy substituents at the 3- and 4-positions. It is an alkaloid isolated from the Cactaceae family.

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  • Additional information


3,4-Dimethoxyphenethylamine CAS 120-20-7 Product Information

Product Name: 3,4-Dimethoxyphenethylamine
Synonyms: 3,4-DiMethoxyphenethylaMine, 98% 100GR;3,4-DiMethoxyphenethylaMine, 98% 25GR;2-(3,4-DiMethoxyphenyl)-1-aMinoethane;NSC 16948;NSC 26152;NSC 6328;3,4-DiMethoxyphenethanaMine;2-(3,4-DIMETHOXYPHENYL)ETHYLAMINE FOR SY
CAS NO: 120-20-7
Molecular Weight: 181.23
Molecular Formula: C10H15NO2
Boiling Point: 188 °C15 mm Hg(lit.)
Density: 1.074 g/mL at 25 °C(lit.)
Appearance: Yellow Viscous Liquid
Solubility: Chloroform (Slightly), Methanol (Slightly)
Storage: Refrigerator

What is 3 4 dimethoxy phenyl amine?

3,4-Dimethoxyphenethylamine, also known as DMPEA or 3,4-Dimethoxyphenylethylamine, is a chemical compound belonging to the phenethylamine class. It is structurally related to phenethylamine and shares similarities with other compounds such as mescaline and MDMA (ecstasy).
DMPEA is a naturally occurring compound that can be found in trace amounts in certain plants, including Acacia species and some cacti. It has also been detected in human urine as a metabolite of other substances.

DMPEA has been studied for its potential psychoactive effects, but its precise pharmacological properties and effects on humans are not yet well understood. There is limited scientific research available on DMPEA specifically, and its recreational use or effects have not been widely documented.

It is worth noting that the legal status of DMPEA may vary depending on the jurisdiction. In some places, it may be considered a controlled substance or regulated under analog laws due to its structural similarities to other controlled substances. It is important to comply with the laws and regulations of your country or region regarding the possession, use, or distribution of DMPEA.

What is the structure of DMPEA?

The structure of 3,4-Dimethoxyphenethylamine (DMPEA) consists of a phenethylamine backbone with two methoxy (CH3O) groups attached to the phenyl ring at positions 3 and 4. The chemical formula for DMPEA is C10H15NO2.

Here is the structural representation of DMPEA:


In this structure, the central carbon atom (C) represents the alpha carbon of the phenethylamine backbone. The two methoxy groups (CH3O) are attached to the phenyl ring, specifically at positions 3 and 4. The remaining carbon in the phenethylamine backbone is connected to a hydrogen atom (H) and an ethyl group (CH2CH3).

Please note that the structural representation is simplified and does not show the three-dimensional arrangement of atoms in space. The actual molecule of DMPEA is a three-dimensional structure with specific spatial orientations of atoms.

Additional information

Melting Point

12-15 °C

Boiling point 

188 °C15 mm Hg(lit.)


1.074 g/mL at 25 °C(lit.)


Soluble in water






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