73819-76-8
73819-76-8 structure
- Name: 5-Ethynyl-2-benzofuran-1,3-dione
- Chemical Name: 4-Ethynylphthalic Anhydride
- CAS Number: 73819-76-8
- Molecular Formula: C10H4O3
- Molecular Weight: 172.137
- Create Date: 2018-06-02 08:00:00
- Modify Date: 2024-01-12 06:26:20
| Name | 4-Ethynylphthalic Anhydride |
|---|---|
| Synonyms |
1,3-Isobenzofurandione, 5-ethynyl-
5-Ethynyl-2-benzofuran-1,3-dione |
| 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% |