2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid - Names and Identifiers

Name	2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid
Synonyms	3-hydroxy-1H-pyrazole-5-carboxylic acid 2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-5-oxo-
CAS	37832-55-6
EINECS	253-681-3

2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid - Physico-chemical Properties

Molecular Formula	C4H4N2O3
Molar Mass	128.08616
Density	1.584±0.06 g/cm3(Predicted)
pKa	10.08±0.70(Predicted)
Storage Condition	Room Temprature

2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid - Upstream Downstream Industry

Downstream Products

ethyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate

2,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid - Introduction

2. acid is a compound with the molecular formula C4H4N2O3. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
1. Appearance: 2. acid is a white crystalline solid.
2. Solubility: It is soluble in water and some organic solvents, such as methanol, ethanol and dimethylformamide.

Use:
1. Chemical research: 2. acid is an important intermediate in organic synthesis, which can be used to synthesize a variety of biologically active compounds.
2. Drug research and development: The compound has the potential to be used as antibacterial agent, anti-tumor agent and anti-inflammatory agent.

Method:
Generally, 2, the synthesis method of acid includes the following:
1.2-cyano -4-methyl pyridine and acetylacetone are reacted in the presence of a base to generate 3,5-dihydro -4-methyl pyrazole.
2. React 5-dihydro-4-methylpyrazole with tert-butanol peroxide to form 2,3-methyl acid for oxidation.

Safety Information:
1. The impact on human health: 2. The specific hazards of acid are not fully understood, but contact with skin, eyes and inhalation should be avoided.
2. Environmental impact: The compound has limited impact on the environment, but it is still necessary to avoid its entry into water and soil.

Please note that this is general information. Please refer to the relevant safety data sheet and operating instructions when using this compound.

Last Update：2024-04-09 15:18:02