Description

2-(4,5-Dihydro-1H-Pyrazol-1-Yl)Ethanol (Saltdata: Free) is a versatile heterocyclic building block and functionalized ethanolamine derivative. This compound is valued for its bifunctional nature, featuring both a reactive pyrazoline ring and a hydroxyl group, which makes it a key intermediate in advanced organic synthesis. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing nitrogen heterocycles for therapeutic applications.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its pyrazoline core for biological activity.
• Ligand and Chelating Agent: Serves as a building block for creating specialized ligands in coordination chemistry and catalysis.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce heterocyclic and hydrophilic properties into polymer chains.
• Chemical Research & Development: Employed as a versatile scaffold in medicinal chemistry and material science research for structure-activity relationship (SAR) studies.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex colorants and functional dyes.

Basic Information

Product Name	2-(4,5-Dihydro-1H-Pyrazol-1-Yl)Ethanol (Saltdata: Free)
CAS No.	5677-75-8
Molecular Formula	C5H10N2O
Molecular Weight	114.15 g/mol
Synonyms	1-(2-Hydroxyethyl)-4,5-dihydro-1H-pyrazole; 2-(4,5-Dihydro-1H-pyrazol-1-yl)ethanol; 2-(2-Pyrazolin-1-yl)ethanol; N-(2-Hydroxyethyl)-2-pyrazoline; 1-(2-Hydroxyethyl)-δ2-pyrazoline; 2-Pyrazolin-1-ylethanol; Ethanol, 2-(4,5-dihydro-1H-pyrazol-1-yl)-
EINECS	Contact for details

Quality Control

Our 2-(4,5-Dihydro-1H-Pyrazol-1-Yl)Ethanol is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and residual solvent analysis to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all specifications and test results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.