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Isosafrole

Isosafrole^[1]


IUPAC name	(E)-5-(Prop-1-enyl)benzo[d][1,3]dioxole
Other names	5-(1-Propenyl)-1,3-benzodioxole 3,4-Methylenedioxyphenyl-1-propene
Identifiers
CAS number	trans: 120-58-1
SMILES	C/C=C/C1=CC=C2C(OCO2)=C1
Properties
Molecular formula	C₁₀H₁₀O₂
Molar mass	162.188 g/mol
Density	trans: 1.1206 g/cm³ cis: 1.1182 g/cm³
Melting point	trans: 8.2 °C cis: -21.5 °C
Boiling point	trans: 253 °C cis: 77-79 @ 3.5 mmHg
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Isosafrole is an aromatic organic chemical with a smell similar to anise or licorice. It is found in small amounts in various essential oils, but is most commonly obtained by isomerizing the plant oil safrole.

Additional recommended knowledge

Daily Sensitivity Test

Daily Visual Balance Check

Correct Test Weight Handling Guide: 12 Practical Tips

It forms two geometric isomers: cis-isosafrole and trans-isosafrole.

Isosafrole is a precursor for MDP2P which is converted into the psychoactive drug MDMA ('ecstasy'). As such requires permits to purchase or sell in any significant quantity in the US.