Description

5-Hydroxy-1-Methyl-2-Pyrrolidone is a versatile heterocyclic compound and a functional derivative of N-Methyl-2-pyrrolidone (NMP). This specialty chemical serves as a high-value intermediate and solvent, prized for its unique hydroxyl functionality which imparts enhanced polarity and reactivity. It is essential for manufacturers in the pharmaceutical, agrochemical, and advanced material sectors seeking to develop novel active ingredients or modify polymer properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules, particularly those requiring a polar, protic moiety.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where its structure contributes to bioavailability and efficacy.
• Polymer Modification: Acts as a reactive monomer or co-solvent in the production of specialty polymers, resins, and coatings to improve solubility and adhesion.
• Electronics Chemicals: Employed as a process solvent or additive in photoresist strippers and cleaning formulations for semiconductor manufacturing.
• Lithium-Ion Battery Electrolytes: Investigated as a functional additive or co-solvent to enhance electrolyte stability and battery performance.
• Chemical Research & Development: A valuable reagent in organic synthesis and process chemistry for introducing the 5-hydroxy-2-pyrrolidone scaffold.

Basic Information

Product Name	5-Hydroxy-1-Methyl-2-Pyrrolidone
CAS No.	41194-00-7
Molecular Formula	C5H9NO2
Molecular Weight	115.13 g/mol
Synonyms	1-Methyl-5-hydroxy-2-pyrrolidone; 5-Hydroxy-1-methylpyrrolidin-2-one; N-Methyl-5-hydroxy-2-pyrrolidone; 5-Hydroxy-N-methyl-2-pyrrolidone; 2-Pyrrolidone, 5-hydroxy-1-methyl-; HMP; 5-Hydroxy-1-methyl-2-pyrrolidinone
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-1-Methyl-2-Pyrrolidone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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