3,4-Dimethyl-1H-pyrazole-5-carboxylic acid

Modify Date: 2025-09-11 12:50:29

3,4-Dimethyl-1H-pyrazole-5-carboxylic acid Structure
3,4-Dimethyl-1H-pyrazole-5-carboxylic acid structure
Common Name 3,4-Dimethyl-1H-pyrazole-5-carboxylic acid
CAS Number 89831-40-3 Molecular Weight 140.140
Density 1.3±0.1 g/cm3 Boiling Point 385.4±37.0 °C at 760 mmHg
Molecular Formula C6H8N2O2 Melting Point 276-277°C
MSDS N/A Flash Point 186.9±26.5 °C

 Names

Name 4,5-dimethyl-1H-pyrazole-3-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 385.4±37.0 °C at 760 mmHg
Melting Point 276-277°C
Molecular Formula C6H8N2O2
Molecular Weight 140.140
Flash Point 186.9±26.5 °C
Exact Mass 140.058578
PSA 65.98000
LogP 0.71
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.581
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
HS Code 2933199090

 Precursor & DownStream

Precursor  0

DownStream  1

 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

4,5-Dimethyl-1(3)H-pyrazol-3-carbonsaeure
4,5-Dimethylpyrazole-3-carboxylic acid
4,5-dimethyl-2H-pyrazole-3-carboxylic acid
4,5-Dimethyl-1H-pyrazole-3-carboxylic acid
1H-Pyrazole-3-carboxylic acid, 4,5-dimethyl-
3,4-Dimethyl-1H-pyrazole-5-carboxylic acid
4,5-dimethyl-1(3)H-pyrazole-3-carboxylic acid
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