CAS 7251-53-8|Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate

Introduction：Basic information about CAS 7251-53-8|Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
CAS Number	7251-53-8	Molecular Weight	156.139
Density	1.3±0.1 g/cm3	Boiling Point	311.7ºC at 760 mmHg
Molecular Formula	C₆H₈N₂O₃	Melting Point	/
MSDS	/	Flash Point	142.3ºC

Names

Name	ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.3±0.1 g/cm3
Boiling Point	311.7ºC at 760 mmHg
Molecular Formula	C₆H₈N₂O₃
Molecular Weight	156.139
Flash Point	142.3ºC
Exact Mass	156.053497
PSA	75.21000
LogP	-0.31
Index of Refraction	1.496
InChIKey	PJFXDPZWCVXNQZ-UHFFFAOYSA-N
SMILES	CCOC(=O)c1c[nH][nH]c1=O
Storage condition	2-8°C

Safety Information

Hazard Codes	Xi
HS Code	2933199090

Customs

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%

Synonyms

Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate

1H-pyrazole-4-carboxylic acid, 5-hydroxy-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester

3-Oxo-2,3-dihydro-1H-pyrazol-4-carbonsaeure-aethylester

ethyl 3-hydroxypyrazole-4-carboxylate

Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate

Ethyl 5-hydroxy-4-pyrazolecarboxylate

4-ethoxycarbonyl-1,2-dihydro-3-pyrazolone

ethyl 3-oxo-2,3-dihydropyrazole-4-carboxylate

3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester

ethyl 3-hydroxy-1H-pyrazole-4-carboxylate

3-Hydroxy-1H-pyrazole-4-carboxylic acid ethyl ester

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