Description

4-(4-Chloro-2-Methylphenoxy)Butyryl Chloride is a specialized organic acid chloride derivative, serving as a critical building block in advanced chemical synthesis. Its value lies in its high reactivity, enabling the efficient introduction of the 4-(4-chloro-2-methylphenoxy)butyryl moiety into target molecules. This compound is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, pesticides, and plant growth regulators, leveraging the phenoxybutyric acid backbone.
• Chemical Research & Development: Serves as a versatile reagent for constructing complex organic molecules in academic and industrial R&D settings.
• Dye and Pigment Intermediate: Acts as a building block for synthesizing specialized dyes and functional colorants.
• Polymer Modification: Employed to introduce functional side chains into polymers, altering their physical or chemical properties.
• Ligand and Catalyst Preparation: Useful for creating custom ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	4-(4-Chloro-2-Methylphenoxy)Butyryl Chloride
CAS No.	99860-69-2
Molecular Formula	C11H12Cl2O2
Molecular Weight	247.12 g/mol
Synonyms	4-(4-Chloro-2-methylphenoxy)butanoyl chloride; Butanoyl chloride, 4-(4-chloro-2-methylphenoxy)-; γ-(4-Chloro-o-tolyloxy)butyryl chloride; 4-(4-Chloro-2-methylphenoxy)butanoic acid chloride; 4-(4-Chloro-2-methylphenoxy)butyric acid chloride
EINECS	Contact for details

Quality Control

Our production of 4-(4-Chloro-2-Methylphenoxy)Butyryl Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot undergoes comprehensive analytical testing, including assay by titration and impurity profile analysis by GC/HPLC. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with 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 controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts vigorously with water, alcohols, and bases. Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture and ensure maximum shelf life.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 97.0%
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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