Isosafrole

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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	1.1206 g/cm3, trans 1.1182 g/cm3, cis
Melting point	8.2 °C, trans -21.5 °C, cis
Boiling point	253 °C, trans 77-79 °C, cis @ 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.

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.

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