Description

Oxiranecarboxylic Acid, 3-Methyl-3-(1-Methylethyl)-, Methyl Ester (9Ci) is a specialized epoxide derivative, valued for its reactive oxirane ring and ester functionality. This compound serves as a versatile and high-value chemical intermediate, enabling the synthesis of complex molecules across advanced manufacturing sectors. It is particularly essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries where precise molecular construction is required.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring stereospecific epoxide ring-opening reactions.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that incorporate its unique branched alkyl structure.
• Specialty Polymer & Resin Modifier: Acts as a reactive monomer or cross-linking agent to introduce functional groups and enhance properties like adhesion, chemical resistance, or flexibility in epoxy and acrylic systems.
• Fine Chemical & Flavor/Fragrance Precursor: Serves as a starting material for synthesizing complex esters and other derivatives used in high-value aroma chemicals and specialty fine chemicals.
• Surface Coating & Adhesive Formulations: Incorporated into formulations to improve performance characteristics such as durability, curing speed, and substrate bonding.
• Research & Development: A critical reagent in organic synthesis laboratories for method development and creating novel chemical entities.

Basic Information

Product Name	Oxiranecarboxylic Acid, 3-Methyl-3-(1-Methylethyl)-, Methyl Ester (9Ci)
CAS No.	137218-34-9
Molecular Formula	C9H16O3
Molecular Weight	172.22 g/mol
Synonyms	3-Methyl-3-(1-methylethyl)oxiranecarboxylic acid methyl ester; Methyl 3-isopropyl-3-methylglycidate; Glycidic acid, 3-isopropyl-3-methyl-, methyl ester; 2,3-Epoxy-2-isopropylbutyric acid methyl ester; 3-Isopropyl-3-methylglycidic acid methyl ester; Methyl 3-isopropyl-3-methyloxiranecarboxylate; (2,3-Epoxy-2-isopropylbutyric acid) methyl ester
EINECS	Contact for details

Quality Control

Our Oxiranecarboxylic Acid, 3-Methyl-3-(1-Methylethyl)-, Methyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for advanced chemical synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request 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 room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its epoxide functionality, it should be stored separately from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.430 - 1.440
Density (20°C)	0.98 - 1.02 g/mL

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