5-Ethynyl-2-benzofuran-1,3-dione
Modify Date: 2025-08-25 19:52:38
5-Ethynyl-2-benzofuran-1,3-dione structure
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Common Name | 5-Ethynyl-2-benzofuran-1,3-dione | ||
|---|---|---|---|---|
| CAS Number | 73819-76-8 | Molecular Weight | 172.137 | |
| Density | 1.4±0.1 g/cm3 | Boiling Point | 352.5±25.0 °C at 760 mmHg | |
| Molecular Formula | C10H4O3 | Melting Point | 125ºC | |
| MSDS | N/A | Flash Point | 175.6±20.4 °C | |
| Name | 4-Ethynylphthalic Anhydride |
|---|---|
| Synonym | More Synonyms |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 352.5±25.0 °C at 760 mmHg |
| Melting Point | 125ºC |
| Molecular Formula | C10H4O3 |
| Molecular Weight | 172.137 |
| Flash Point | 175.6±20.4 °C |
| Exact Mass | 172.016037 |
| PSA | 43.37000 |
| LogP | 1.78 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.625 |
| 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% |
| 1,3-Isobenzofurandione, 5-ethynyl- |
| 5-Ethynyl-2-benzofuran-1,3-dione |