21991-02-6
21991-02-6 structure
- Name: [1,1':2',1''-Terphenyl]-3',5'-dicarboxylicacid
- Chemical Name: 4,5-diphenylbenzene-1,3-dicarboxylic acid
- CAS Number: 21991-02-6
- Molecular Formula: C20H14O4
- Molecular Weight: 318.32300
- Create Date: 2018-06-20 17:44:05
- Modify Date: 2024-01-24 19:37:04
| Name | 4,5-diphenylbenzene-1,3-dicarboxylic acid |
|---|---|
| Synonyms | 1,1':2',1''-terphenyl-3',5'-dicarboxylic acid |
| Density | 1.298g/cm3 |
|---|---|
| Boiling Point | 502.7ºC at 760 mmHg |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.32300 |
| Flash Point | 271.9ºC |
| Exact Mass | 318.08900 |
| PSA | 74.60000 |
| LogP | 4.41700 |
| Vapour Pressure | 6.33E-11mmHg at 25°C |
| Index of Refraction | 1.649 |
| HS Code | 2917399090 |
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| HS Code | 2917399090 |
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| 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% |