Description

Methyl 3-Hydroxy-2-Methylpropanoate is a versatile hydroxy ester compound valued for its bifunctional reactivity. This chemical serves as a crucial building block and intermediate in the synthesis of more complex molecules, offering a balance of ester and alcohol functionalities. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for research and production.

Application

• Pharmaceutical Intermediate: Key synthon for active pharmaceutical ingredients (APIs), particularly in molecules requiring chiral hydroxy ester motifs.
• Agrochemical Synthesis: Building block for herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Used in the production of specialty polymers, coatings, and adhesives to modify flexibility and adhesion properties.
• Flavor & Fragrance Ingredient: Intermediate in the synthesis of esters and lactones used in creating specific flavor and aroma profiles.
• Organic Synthesis Reagent: Versatile reagent for esterification, transesterification, and protection/deprotection chemistry in laboratory and pilot-scale synthesis.
• Crosslinking Agent: Potential use in formulations for coatings and composites where hydroxyl functionality is required for crosslinking reactions.

Basic Information

Product Name	Methyl 3-Hydroxy-2-Methylpropanoate
CAS No.	42998-03-8
Molecular Formula	C5H10O3
Molecular Weight	118.13 g/mol
Synonyms	3-Hydroxy-2-methylpropionic acid methyl ester; Methyl 3-hydroxy-2-methylpropionate; 2-Methyl-3-hydroxypropionic acid methyl ester; Methyl β-hydroxyisobutyrate; β-Hydroxyisobutyric acid methyl ester; Methyl DL-3-hydroxy-2-methylpropanoate; Methyl 3-hydroxyisobutyrate; 42998-03-8
EINECS	Contact for details

Quality Control

Our Methyl 3-Hydroxy-2-Methylpropanoate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.420 - 1.430
Specific Gravity (20°C)	1.050 - 1.090

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