54367-66-7

Basic information

• Product Name: 5-CHLORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
• Synonyms: BUTTPARK 46\18-71;5-CHLORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID;5-CHLORO-1-METHYLPYRAZOLE-4-CARBOXYLIC ACID;4-Carboxy-5-chloro-1-methyl-1H-pyrazole;5-Chloro-1-methyl-1H-pyrazole-4-carboxylicacid94%
• CAS NO: 54367-66-7
• Molecular Formula: C5H5ClN2O2
• Molecular Weight: 160.56
• Mol File: 54367-66-7.mol
• Article Data: 3

Chemical Properties

• Melting Point: 197-198
• Boiling Point: 315.8 ºC at 760 mmHg
• Flash Point: 144.8 ºC
• Appearance: /
• Density: 1.56 g/cm³
• Vapor Pressure: 0.00018mmHg at 25°C
• Refractive Index: 1.62
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• CAS DataBase Reference: 5-CHLORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 5-CHLORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(54367-66-7)
• EPA Substance Registry System: 5-CHLORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(54367-66-7)

Safety Data

• Hazard Codes: Xi
• Hazardous Substances Data: 54367-66-7(Hazardous Substances Data)

Usage

General Description

5-Chloro-1-methyl-1H-pyrazole-4-carboxylic acid is a chemical compound categorised under the class of organic compounds known as pyrazole carboxylic acids. These are compounds containing a pyrazole ring which is bear a carboxylic acid group at one or more positions. The molecular formula of 5-Chloro-1-methyl-1H-pyrazole-4-carboxylic acid is C5H5ClN2O2. It is expected to be a mildly acidic compound based on its structure, and it can participate in various chemical reactions. It is typically used in scientific research and development, notably in the field of chemistry.

InChI:InChI=1/C5H5ClN2O2/c1-8-4(6)3(2-7-8)5(9)10/h2H,1H3,(H,9,10)

Upstream product

• 56984-32-8 5-chloro-1-methyl-1H-pyrazole-4-carboxylic acid,ethyl ester 
• 127842-11-9 5-chloro-1,4-dimethylpyrazole 

Downstream Products

• 10234-66-9 2,4-dihydro-2-methyl-3H-pyrazol-3-one 
• 1620687-57-1 C₂₆H₃₀ClN₅O₃ 

Relevant articles and documents

Process for preparing pyrazolecarboxylic acid compounds

There is disclosed a process for preparing a pyrazolecarboxylic acid derivative represented by the formula (II): STR1 wherein Y and Z each represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, COOR1, NR1 R2, CONR1 R2, SR1, SO2 NR1 R2, SO2 R3, R3 CO, OR4, CHX2 or CX3 ; A represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyridyl group or OR5 ; where R1 and R2 each represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; R3 represents an alkyl group having 1 to 10 carbon atoms; R4 represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted phenyl group, CHF2, CF3 or CF3 CH2 ; R5 represents an alkyl group having 1 to 10 carbon atoms; and X represents a halogen atom, which comprises oxidizing a pyrazole compound represented by the formula (I): STR2 wherein Y, Z and A have the same meanings as defined above, with an oxygen-containing gas in the presence of a metal compound catalyst.

Herbicidal and algicidal 1,5-disubstituted-1H-pyrazole-4-carboxamides

1,5-Disubstituted-1H-pyrazole-4-carboxamide derivatives, useful as herbicides and aquatic algicides.