14458-05-0
14458-05-0 structure
- Name: 2,3,5,6-tetramethylterephthalic acid
- Chemical Name: 2,3,5,6-tetramethylterephthalic acid
- CAS Number: 14458-05-0
- Molecular Formula: C12H14O4
- Molecular Weight: 222.23700
- Create Date: 2018-12-03 12:28:50
- Modify Date: 2025-09-19 02:18:31
| Name | 2,3,5,6-tetramethylterephthalic acid |
|---|---|
| Synonyms |
2,3,5,6-tetramethyl-1,4-benzenedicarboxylate
tetramethylterephthalic acid 2,3,5,6-tetramethyl-1,4-benzenedicarboxylic acid 2,3,5,6-tetramethylbenzene-1,4-dicarboxylic acid |
| Density | 1.237g/cm3 |
|---|---|
| Boiling Point | 402.6ºC at 760mmHg |
| Molecular Formula | C12H14O4 |
| Molecular Weight | 222.23700 |
| Flash Point | 211.4ºC |
| Exact Mass | 222.08900 |
| PSA | 74.60000 |
| LogP | 2.31660 |
| Vapour Pressure | 3.33E-07mmHg at 25°C |
| Index of Refraction | 1.575 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2917399090 |
| Precursor 8 | |
|---|---|
| DownStream 0 | |
| 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% |