1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl-

1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl- - Names and Identifiers

Name	4-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid
Synonyms	4-chloro-1-methyl-3-pyrazolecarboxylic acid 4-CHLORO-1-METHYL-PYRAZOLE-3-CARBOXYLIC ACID 4-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid 1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl-
CAS	84547-85-3
InChI	InChI=1/C5H5ClN2O2/c1-8-2-3(6)4(7-8)5(9)10/h2H,1H3,(H,9,10)

1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl- - Physico-chemical Properties

Molecular Formula	C5H5ClN2O2
Molar Mass	160.56
Density	1.56±0.1 g/cm3(Predicted)
Melting Point	219-221 °C(Solv: acetic acid (64-19-7))
Boling Point	327.0±22.0 °C(Predicted)
Flash Point	151.6°C
Vapor Presure	8.41E-05mmHg at 25°C
pKa	2.78±0.25(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.62

1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl- - Risk and Safety

Hazard Class

IRRITANT

1H-Pyrazole-3-carboxylic acid, 4-chloro-1-methyl- - Introduction

Acid (acid) is an organic compound whose chemical formula is C5H5ClN2O2.

The compound is a white solid with a melting point of about 165-170°C. It can be dissolved in many organic solvents, such as ethanol and dichloromethane.

The main use of acrylic is as a pesticide intermediate. It can be used in the synthesis of pyrazole acid pesticides, such as azoxystrobin.

The synthesis method of this compound is generally obtained by the reaction of 1-methyl-3-bromo-4-chloropyrazole and sodium carbonate, and then acid hydrolysis to generate acid.

Regarding safety information, acid is generally stable and safe under normal use and handling. However, when handling the compound, take appropriate protective measures, such as wearing protective gloves, goggles and protective clothing. Also, avoid inhaling, swallowing or touching the skin. If you come into contact with this compound, rinse immediately with plenty of water and seek medical attention.

Last Update：2024-04-10 22:29:15