1-Ethyl-1H-pyrazole-5-carboxylic acid

Modify Date: 2025-08-25 12:05:22

1-Ethyl-1H-pyrazole-5-carboxylic acid Structure
1-Ethyl-1H-pyrazole-5-carboxylic acid structure
Common Name 1-Ethyl-1H-pyrazole-5-carboxylic acid
CAS Number 400755-43-3 Molecular Weight 140.14000
Density 1.27g/cm3 Boiling Point 307.4ºC at 760 mmHg
Molecular Formula C6H8N2O2 Melting Point N/A
MSDS USA Flash Point 139.7ºC

 Names

Name 2-ethylpyrazole-3-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.27g/cm3
Boiling Point 307.4ºC at 760 mmHg
Molecular Formula C6H8N2O2
Molecular Weight 140.14000
Flash Point 139.7ºC
Exact Mass 140.05900
PSA 55.12000
LogP 0.60120
Index of Refraction 1.573
InChIKey FSMHDKRQCDWWGZ-UHFFFAOYSA-N
SMILES CCn1nccc1C(=O)O

 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

2-Ethyl-2H-pyrazole-3-carboxylic acid
1-Ethyl-1H-pyrazole-5-carboxylic acid
1-Ethylpyrazole-5-carboxylicAcid
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