Description

2,2-Dimethyl-3-Butynoic Acid Methyl Ester is a versatile alkyne-containing building block used in advanced organic synthesis. Its value lies in its unique structure, which provides a reactive terminal alkyne group protected by adjacent methyl groups, making it a key intermediate for constructing complex molecular frameworks. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the construction of complex drug molecules, particularly those requiring alkyne functionality for click chemistry or as a precursor to heterocycles.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its alkyne moiety can be incorporated into bioactive structures.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of novel polymers and functional materials with specific optical or electronic properties.
• Organic Synthesis Building Block: Employed in Sonogashira coupling, Huisgen cycloaddition, and other metal-catalyzed reactions to introduce acetylene units into target molecules.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific aroma compounds that require branched-chain ester backbones.
• Academic & R&D Laboratories: A valuable reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	2,2-Dimethyl-3-Butynoic Acid Methyl Ester
CAS No.	95924-34-8
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	Methyl 2,2-Dimethyl-3-butynoate; 3-Butynoic acid, 2,2-dimethyl-, methyl ester; Methyl 2,2-dimethylbut-3-ynoate; 2,2-Dimethylbut-3-ynoic acid methyl ester; Dimethylbutynoic Acid Methyl Ester; Methyl Dimethylbutynoate
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-3-Butynoic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon). Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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