Description

4-Hydroxybutanoic Acid Methyl Ester is a versatile bifunctional chemical intermediate, combining both a hydroxyl and an ester group in its structure. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in the pharmaceutical and fine chemical sectors. It is primarily sought by manufacturers in the agrochemical, pharmaceutical, and polymer industries for the production of active ingredients, specialty monomers, and chiral synthons.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), including GABAergic compounds and other neuroactive agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its reactive functional groups.
• Polymer & Resin Manufacturing: Serves as a monomer or co-monomer for producing specialty polyesters and other polymers with tailored properties.
• Fine Chemical Production: Acts as a versatile building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Reagent: Employed in laboratory and industrial-scale organic reactions, including esterifications, transesterifications, and ring-opening polymerizations.

Basic Information

Product Name	4-Hydroxybutanoic Acid Methyl Ester
CAS No.	925-57-5
Molecular Formula	C5H10O3
Molecular Weight	118.13 g/mol
Synonyms	Methyl 4-hydroxybutyrate; Methyl 4-hydroxybutanoate; γ-Hydroxybutyric acid methyl ester; 4-Hydroxybutyric acid methyl ester; GHB methyl ester; Methyl γ-hydroxybutyrate; 4-HB methyl ester; 925-57-5
EINECS	213-115-7

Quality Control

Our 4-Hydroxybutanoic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling via GC/HPLC, to ensure it meets the high standards required for synthesis and industrial applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.435 - 1.445
Density (20°C)	1.08 - 1.12 g/mL

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