Description

Methyl 2-Cyano-3-Methylcrotonate CAS NO 6666-75-7 is a versatile cyanoacrylate ester derivative, serving as a key synthetic intermediate in organic chemistry. Its value lies in its reactive α,β-unsaturated nitrile ester functionality, which is pivotal for constructing complex molecular frameworks. This compound is essential for R&D chemists and manufacturers in the agrochemical and pharmaceutical industries, where it is used to synthesize active ingredients and novel heterocyclic compounds.

Application

• Agrochemical Synthesis: A crucial building block for the production of advanced pyrethroid insecticides and fungicides.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing cyano and ester functional groups.
• Organic Synthesis: Acts as a Michael acceptor in nucleophilic addition reactions and a precursor for heterocyclic compounds like pyridines and pyrimidines.
• Polymer Chemistry: Can be utilized as a monomer or co-monomer in specialty polymer formulations, contributing to material properties.
• Dye and Pigment Intermediates: Serves in the synthesis of complex organic colorants.
• Research & Development: A valuable reagent for method development and exploring new chemical entities in academic and industrial labs.

Basic Information

Product Name	Methyl 2-Cyano-3-Methylcrotonate
CAS No.	6666-75-7
Molecular Formula	C7H9NO2
Molecular Weight	139.15 g/mol
Synonyms	2-Cyano-3-methylcrotonic Acid Methyl Ester; Methyl 2-Cyano-3-methylbut-2-enoate; 3-Methyl-2-cyanocrotonic Acid Methyl Ester; Methyl (Z)-2-Cyano-3-methylbut-2-enoate; Methyl α-Cyano-β-methylcrotonate; 2-Butenoic acid, 2-cyano-3-methyl-, methyl ester; Methyl 2-cyano-3-methyl-2-butenoate
EINECS	Contact for details

Quality Control

Our production of Methyl 2-Cyano-3-Methylcrotonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and quality assurance for your supply chain.

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 strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.