Description

4,4-Dichloro-3-(Dichloromethyl)Crotonic Acid Methyl Ester is a specialized chlorinated crotonate derivative that serves as a versatile and high-value synthetic intermediate. Its unique polyhalogenated structure makes it a critical building block for the synthesis of complex molecules, particularly in advanced agrochemicals and pharmaceuticals. This compound is essential for R&D chemists and process development scientists in fine chemical manufacturing seeking to introduce specific chlorinated motifs or construct complex heterocyclic systems.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of novel insecticides, fungicides, and herbicides, leveraging its reactive dichloromethyl and ester functionalities.
• Pharmaceutical Building Block: Used in medicinal chemistry research for constructing pharmacologically active scaffolds, especially in molecules targeting infectious diseases.
• Organic Synthesis Reagent: Employed in cyclization reactions, Diels-Alder reactions, and as a substrate for nucleophilic substitution to create diverse chemical libraries.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing specialty polymers with specific properties.
• Chemical Intermediate for Dyes & Pigments: Serves as a starting material for synthesizing complex, halogenated organic colorants.

Basic Information

Product Name	4,4-Dichloro-3-(Dichloromethyl)Crotonic Acid Methyl Ester
CAS No.	97055-33-9
Molecular Formula	C7H6Cl4O2
Molecular Weight	269.94 g/mol
Synonyms	Methyl 4,4-dichloro-3-(dichloromethyl)crotonate; Methyl 4,4-dichloro-3-(dichloromethyl)-2-butenoate; 2-Butenoic acid, 4,4-dichloro-3-(dichloromethyl)-, methyl ester; 4,4-Dichloro-3-(dichloromethyl)crotonic acid methyl ester; Methyl 4,4-dichloro-3-(dichloromethyl)but-2-enoate
EINECS	Contact for details

Quality Control

Our 4,4-Dichloro-3-(Dichloromethyl)Crotonic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material meets the stringent requirements for use in advanced synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and organic solvents. The container should be kept tightly sealed in a dry environment to prevent moisture ingress.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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