Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-PYRAZOLE-3,4-DICARBOXYLIC ACID
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Purity: 98.0%
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31962-35-3

31962-35-3 structure

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: 2024-01-23 09:38:49

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

271-44-3 structure

271-44-3

~98%

31962-35-3 structure

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
271-44-3
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%