Description

Oxiranecarboxylic Acid, 3,3-Dimethyl-, Methyl Ester (9Ci) is a high-purity specialty epoxide derivative, also known as 3,3-Dimethylglycidic Acid Methyl Ester. This compound serves as a versatile and critical chemical building block for synthesizing advanced pharmaceutical intermediates and fine chemicals. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for its reactive oxirane functionality.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of β-blockers, protease inhibitors, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a cross-linking agent or reactive diluent in epoxy resin systems and specialty coatings.
• Fine Chemical Production: Serves as a building block for chiral compounds, flavors, and fragrances.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial organic reactions to introduce the glycidyl ester moiety.

Basic Information

Product Name	Oxiranecarboxylic Acid, 3,3-Dimethyl-, Methyl Ester (9Ci)
CAS No.	5584-70-3
Molecular Formula	C6H10O3
Molecular Weight	130.14 g/mol
Synonyms	3,3-Dimethylglycidic Acid Methyl Ester; Methyl 3,3-Dimethylglycidate; Methyl 2,3-Epoxy-3-methylbutyrate; 2-Oxiranecarboxylic acid, 3,3-dimethyl-, methyl ester; Glycidic acid, 3,3-dimethyl-, methyl ester
EINECS	226-983-4

Quality Control

Our Oxiranecarboxylic Acid, 3,3-Dimethyl-, Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and HPLC analysis, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for all shipments to support your quality assurance and regulatory compliance needs.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption.

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 (n20D)	1.425 - 1.435
Density (g/mL, 20°C)	1.05 - 1.10

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