31962-35-3
31962-35-3 structure
- Name: 1H-PYRAZOLE-3,4-DICARBOXYLIC ACID
- Chemical Name: 1H-Pyrazole-4,5-dicarboxylic acid
- CAS Number: 31962-35-3
- Molecular Formula: C5H4N2O4
- Molecular Weight: 156.09600
- Create Date: 2018-10-02 22:44:46
- Modify Date: 2025-11-29 12:19:26
| Name | 1H-Pyrazole-4,5-dicarboxylic acid |
|---|---|
| Synonyms |
4,5-Pyrazoldicarbonsaeure
CARBOXYPYRAZOLIC ACID Pyrazole-4,5-dicarboxylic acid Pyrazol-3,4-dicarbonsaeure 1(2)H-pyrazole-3,4-dicarboxylic acid 1H-pyrazole-3,4-dicarboxylic acid |
| Density | 1.814g/cm3 |
|---|---|
| Boiling Point | 558.1ºC at 760 mmHg |
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.09600 |
| Flash Point | 291.3ºC |
| Exact Mass | 156.01700 |
| PSA | 103.28000 |
| Index of Refraction | 1.683 |
| HS Code | 2933199090 |
|---|
|
~98%
31962-35-3 |
| Literature: Tyupalo, N. F.; Semenyuk, T. N.; Kolbasina, O. I. Russian Journal of Physical Chemistry, 1992 , vol. 66, # 4 p. 463 - 465 Zhurnal Fizicheskoi Khimii, 1992 , vol. 66, # 4 p. 871 - 874 |
| Precursor 1 | |
|---|---|
| DownStream 0 | |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |