1,3-Benzodioxole (1,2-methylenedioxybenzene) is an organic compound with the formula C6H4O2CH2. The compound is classified as benzene derivative and a heterocyclic compound containing the methylenedioxy functional group. It is a colorless liquid.
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Names | |||
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Preferred IUPAC name
2H-1,3-Benzodioxole | |||
Other names
1,3-Benzodioxole
Benzo[d][1,3]dioxole 1,2-[Methylenebis(oxy)]benzene 1,2-Methylenedioxybenzene | |||
Identifiers | |||
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3D model (JSmol)
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115506 | |||
ChEBI |
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ChemSpider |
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ECHA InfoCard | 100.005.448 | ||
EC Number |
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MeSH | 1,3-Benzodioxole | ||
PubChem CID
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RTECS number |
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UNII |
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UN number | 1993 | ||
CompTox Dashboard (EPA)
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Properties | |||
C7H6O2 | |||
Molar mass | 122.123 g·mol−1 | ||
Density | 1.064 g cm−3 | ||
Boiling point | 172–173 °C (342–343 °F; 445–446 K) | ||
log P | 2.08 | ||
Vapor pressure | 1.6 kPa | ||
Thermochemistry | |||
Std enthalpy of
combustion (ΔcH⦵298) |
-3.428 MJ mol−1 | ||
Hazards | |||
GHS labelling: | |||
Warning | |||
H302, H332 | |||
NFPA 704 (fire diamond) | |||
Flash point | 61 °C (142 °F; 334 K) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Although benzodioxole is not particularly important, many related compounds containing the methylenedioxyphenyl group are bioactive, and thus are found in pesticides and pharmaceuticals.[1]
1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.[2][3]