Description

Benzeneacetyl Chloride, 4-Methyl-α-Oxo- (9Ci) 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 efficient acylation and coupling reactions to construct complex molecular architectures. This compound is essential for research chemists and process developers in the pharmaceutical, agrochemical, and material science industries who require precise and reliable intermediates for creating novel active ingredients and functional polymers. The product is supplied under strict quality control to ensure batch-to-batch consistency for demanding applications.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with benzoyl or aryl ketone motifs.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators requiring specific acylating agents.
• Material Science Research: Employed in the creation of novel polymers, liquid crystals, and organic electronic materials through polymerization or functionalization reactions.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis labs for constructing complex molecules, including natural product analogs and heterocycles.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and pigments where the introduction of a substituted benzoyl group is required.
• Cross-Coupling Reactions: A valuable substrate in transition metal-catalyzed cross-coupling methodologies for carbon-carbon bond formation.

Basic Information

Product Name	Benzeneacetyl Chloride, 4-Methyl-α-Oxo- (9Ci)
CAS No.	105457-91-8
Molecular Formula	C9H7ClO2
Molecular Weight	182.60 g/mol
Synonyms	4-Methyl-α-oxobenzeneacetyl chloride; 2-(4-Methylbenzoyl)acetyl chloride; 4-Methylphenacyl chloride; 4'-Methylphenacyl chloride; 1-(4-Methylphenyl)-2-oxo-2-chloroethane; 4-Methyl-ω-chloroacetophenone; (4-Methylphenyl)glyoxyloyl chloride; 4-Methylbenzoylformyl chloride
EINECS	Contact for details

Quality Control

Our Benzeneacetyl Chloride, 4-Methyl-α-Oxo- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification by FT-IR and NMR, purity assay by HPLC or GC, and control of key impurities and moisture content. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure full traceability and compliance with your project specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC/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.