4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid

Modify Date: 2025-08-20 18:22:01

4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid Structure
4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid structure
Common Name 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid
CAS Number 127892-62-0 Molecular Weight 188.612
Density 1.4±0.1 g/cm3 Boiling Point 339.5±42.0 °C at 760 mmHg
Molecular Formula C7H9ClN2O2 Melting Point 164 °C
MSDS N/A Flash Point 159.1±27.9 °C

 Names

Name 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 339.5±42.0 °C at 760 mmHg
Melting Point 164 °C
Molecular Formula C7H9ClN2O2
Molecular Weight 188.612
Flash Point 159.1±27.9 °C
Exact Mass 188.035248
PSA 55.12000
LogP 1.13
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.588
InChIKey NXAIFVHVBHMNJS-UHFFFAOYSA-N
SMILES CCc1nn(C)c(C(=O)O)c1Cl
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

4-chloro-5-ethyl-2-methylpyrazole-3-carboxylic acid
1H-Pyrazole-5-carboxylic acid, 4-chloro-3-ethyl-1-methyl-
4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid
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