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89-32-7
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89-32-7
| Pyromellitic Dianhydride Basic information | |
| Product Name: | Pyromellitic Dianhydride |
| CAS: | 89-32-7 |
| MF: | C10H2O6 |
| MW: | 218.12 |
| EINECS: | 201-898-9 |
| Mol File: | 89-32-7.mol |
| Pyromellitic Dianhydride Chemical Properties | |
| Melting point | 283-286 °C(lit.) |
| Boiling point | 397-400 °C(lit.) |
| density | 1,68 g/cm3 |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.6000 (estimate) |
| Fp | 380 °C |
| solubility | Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene. |
| form | Fine Powder |
| pka | 5.45[at 20 ℃] |
| color | White to pale yellow |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 213583 |
| InChIKey | ANSXAPJVJOKRDJ-UHFFFAOYSA-N |
| LogP | -2.03 at 21.5℃ |
| CAS DataBase Reference | 89-32-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,4,5-Benzenetetracarboxylic anhydride(89-32-7) |
| EPA Substance Registry System | 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone (89-32-7) |
分析项目 Item | 标准值 Standard Value | 检测结果 Result |
外观 Appearance | 白色或微黄色结晶状 White or light yellow crystal-like | 白色结晶状 White crystal-like |
含量，% Assay | ≥99.50 | 99.75% |
熔点, ℃ Melting point | 284.0~288.0 | 286.8℃ |
游离酸 Free acid ,% | ≤0.5 | 0.19% |
| Pyromellitic Dianhydride Basic information | |
| Product Name: | Pyromellitic Dianhydride |
| CAS: | 89-32-7 |
| MF: | C10H2O6 |
| MW: | 218.12 |
| EINECS: | 201-898-9 |
| Mol File: | 89-32-7.mol |
| Pyromellitic Dianhydride Chemical Properties | |
| Melting point | 283-286 °C(lit.) |
| Boiling point | 397-400 °C(lit.) |
| density | 1,68 g/cm3 |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.6000 (estimate) |
| Fp | 380 °C |
| solubility | Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene. |
| form | Fine Powder |
| pka | 5.45[at 20 ℃] |
| color | White to pale yellow |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 213583 |
| InChIKey | ANSXAPJVJOKRDJ-UHFFFAOYSA-N |
| LogP | -2.03 at 21.5℃ |
| CAS DataBase Reference | 89-32-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,4,5-Benzenetetracarboxylic anhydride(89-32-7) |
| EPA Substance Registry System | 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone (89-32-7) |
分析项目 Item | 标准值 Standard Value | 检测结果 Result |
外观 Appearance | 白色或微黄色结晶状 White or light yellow crystal-like | 白色结晶状 White crystal-like |
含量，% Assay | ≥99.50 | 99.75% |
熔点, ℃ Melting point | 284.0~288.0 | 286.8℃ |
游离酸 Free acid ,% | ≤0.5 | 0.19% |
