716-39-2
716-39-2 structure
- Name: 2,3-Naphthalenedicarboxylic Anhydride
- Chemical Name: 2,3-Naphthalenedicarboxylic Anhydride
- CAS Number: 716-39-2
- Molecular Formula: C12H6O3
- Molecular Weight: 198.174
- Create Date: 2018-04-02 08:00:00
- Modify Date: 2025-08-26 23:39:43
| Name | 2,3-Naphthalenedicarboxylic Anhydride |
|---|---|
| Synonyms |
MFCD00059091
EINECS 211-936-6 benzo[f][2]benzofuran-1,3-dione Naphtho(2,3-c)furan-1,3-dione Naphtho[2,3-c]furan-1,3-dione |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 401.9±14.0 °C at 760 mmHg |
| Melting Point | 248 °C |
| Molecular Formula | C12H6O3 |
| Molecular Weight | 198.174 |
| Flash Point | 203.1±17.3 °C |
| Exact Mass | 198.031693 |
| PSA | 43.37000 |
| LogP | 2.83 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.712 |
| Safety Phrases | S22-S24/25 |
|---|---|
| HS Code | 2917399090 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
![1,3-diphenylbenzo[f][2]benzofuran structure](https://image.chemsrc.com/caspic/379/18929-57-2.png)
![Benzo[A]naphthacene-7,14-dione structure](https://image.chemsrc.com/caspic/009/61533-50-4.png)
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |