5-ethynyl-1,3-benzodioxole

Modify Date: 2025-08-25 22:57:58

5-ethynyl-1,3-benzodioxole Structure
5-ethynyl-1,3-benzodioxole structure
 Common Name 5-ethynyl-1,3-benzodioxole
CAS Number 57134-53-9 Molecular Weight 146.143
Density 1.2±0.1 g/cm3 Boiling Point 222.9±29.0 °C at 760 mmHg
Molecular Formula C9H6O2 Melting Point 31ºC
MSDS N/A Flash Point 90.1±23.8 °C

 Names

Name 5-ethynyl-1,3-benzodioxole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 222.9±29.0 °C at 760 mmHg
Melting Point 31ºC
Molecular Formula C9H6O2
Molecular Weight 146.143
Flash Point 90.1±23.8 °C
Exact Mass 146.036774
PSA 18.46000
LogP 2.26
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.596

 Safety Information

HS Code 2932999099

 Synthetic Route

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4-ethynyl-1,2-methylenedioxybenzene
EINECS 260-583-4
1,3-Benzodioxole, 5-ethynyl-
1,3-Benzodioxole,5-ethynyl
5-ethynyl-1,3-benzodioxole
5-Ethynylbenzo-1,3-dioxole
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