Description

2-Chloro-3-Methyl-But-2-Enal is a versatile chlorinated aldehyde intermediate of significant interest in fine chemical synthesis. Its reactive carbonyl and chloro groups make it a valuable building block for constructing more complex molecular architectures. This compound is particularly relevant for R&D chemists and process engineers in the pharmaceutical and agrochemical sectors seeking to develop novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides.
• Flavor & Fragrance Chemistry: Acts as a building block for creating specific aroma compounds and flavoring agents.
• Organic Synthesis & Research: A valuable reagent for academic and industrial research in developing new organic reactions and methodologies.
• Specialty Chemical Manufacturing: Employed in the production of performance chemicals, dyes, and other high-value intermediates.

Basic Information

Item	Details
Product Name	2-Chloro-3-Methyl-But-2-Enal
CAS No.	7364-09-2
Molecular Formula	C5H7ClO
Molecular Weight	118.56 g/mol
Synonyms	2-Chloro-3-methylbut-2-enal; 2-Chloro-3-methyl-2-butenal; 3-Methyl-2-chlorobut-2-enal; 2-Butenal, 2-chloro-3-methyl-; NSC 163049; 2-Chloro-3-methylcrotonaldehyde; α-Chloro-β-methylcrotonaldehyde
EINECS	Contact for details

Quality Control

Our 2-Chloro-3-Methyl-But-2-Enal is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to minimize degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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