Description

Ethyl 3-Hydroxy-3-Methylbutyrate is a high-purity organic ester compound, CAS NO 18267-36-2, valued for its role as a versatile intermediate and flavor/fragrance ingredient. This compound is essential for manufacturers requiring a reliable building block for synthesizing more complex molecules or for creating specific sensory profiles. It is primarily sought after by the pharmaceutical, nutraceutical, and flavor & fragrance industries.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Nutraceutical Ingredient: Serves as a precursor for compounds like HMB (β-hydroxy β-methylbutyrate), a popular sports nutrition supplement.
• Flavor & Fragrance Agent: Imparts fruity, ethereal notes and is used in the formulation of perfumes, cosmetics, and food flavorings.
• Chemical Synthesis: Acts as a key building block in organic synthesis for creating esters, lactones, and other specialty chemicals.
• Polymer Modification: Can be utilized as a monomer or modifier in the production of specialty polymers and resins.
• Solvent & Carrier: Employed as a high-boiling point solvent for various industrial applications.

Basic Information

Product Name	Ethyl 3-Hydroxy-3-Methylbutyrate
CAS No.	18267-36-2
Molecular Formula	C7H14O3
Molecular Weight	146.18 g/mol
Synonyms	Ethyl 3-Hydroxy-3-Methylbutanoate; Ethyl β-Hydroxy-β-Methylbutyrate; Ethyl HMB; 3-Hydroxy-3-methylbutyric Acid Ethyl Ester; Ethyl 3-Hydroxyisovalerate; Ethyl 3-Hydroxy-3-Methylbutyrate; HMB Ethyl Ester; β-Hydroxy-β-Methylbutyric Acid Ethyl Ester
EINECS	242-151-5

Quality Control

Our Ethyl 3-Hydroxy-3-Methylbutyrate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets the highest standards for purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Refractive Index (20°C)	1.420 - 1.425
Specific Gravity (20/20°C)	1.010 - 1.030
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.