1-methyl-1H-pyrazole-4-carboxylic acid

Modify Date: 2024-01-02 16:37:16

1-methyl-1H-pyrazole-4-carboxylic acid Structure
1-methyl-1H-pyrazole-4-carboxylic acid structure
Common Name 1-methyl-1H-pyrazole-4-carboxylic acid
CAS Number 5952-92-1 Molecular Weight 126.113
Density 1.3±0.1 g/cm3 Boiling Point 306.9±15.0 °C at 760 mmHg
Molecular Formula C5H6N2O2 Melting Point 203-208ºC
MSDS USA Flash Point 139.4±20.4 °C

 Names

Name 1-Methyl-1H-Pyrazole-4-Carboxylic Acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 306.9±15.0 °C at 760 mmHg
Melting Point 203-208ºC
Molecular Formula C5H6N2O2
Molecular Weight 126.113
Flash Point 139.4±20.4 °C
Exact Mass 126.042931
PSA 55.12000
LogP 0.26
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.591
Storage condition Room temperature.

 Safety Information

Hazard Codes Xi
RIDADR NONH for all modes of transport
HS Code 2933199090

 Synthetic Route

~87%

1-methyl-1H-pyrazole-4-carboxylic acid Structure

1-methyl-1H-pyr...

CAS#:5952-92-1

Literature: Monsanto Company Patent: US5498630 A1, 1996 ;

~30%

1-methyl-1H-pyrazole-4-carboxylic acid Structure

1-methyl-1H-pyr...

CAS#:5952-92-1

Literature: SGX PHARMACEUTICALS, INC. Patent: WO2008/144767 A1, 2008 ; Location in patent: Page/Page column 118 ; WO 2008/144767 A1

~96%

1-methyl-1H-pyrazole-4-carboxylic acid Structure

1-methyl-1H-pyr...

CAS#:5952-92-1

Literature: Tanaka, Norio; Shinke, Shuzo; Takigawa, Shinichiro Chemistry Letters, 1991 , # 4 p. 585 - 588

~%

Detail
Literature: Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60

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Detail
Literature: Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60

 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

N-Methylpyrazole-3-carboxylic acid
1H-Pyrazole-5-carboxylic acid, 1-methyl-
N-methyl-pyrazole-3-carboxylic acid
1-Methyl-1H-pyrazole-5-carboxylic acid
T5NNJ A1 EVQ
2-methylpyrazole-3-carboxylic acid
1-Methyl-pyrazole-5-carboxylicacid
1H-Pyrazole-4-carboxylic acid, 1-methyl-
1-Methyl-1H-pyrazole-4-carboxylic acid
1-Methylpyrazole-5-carboxylic acid
2H-Pyrazole-3-carboxylic acid, 2-methyl-
MFCD00159641
2-Methyl-2H-pyrazole-3-carboxylic acid
1-methylpyrazole-4-carboxylic acid