Description

Benzoyl Chloride, 3-(1-Methylethyl)- (9Ci) is a specialized organic acid chloride derivative, distinguished by the presence of an isopropyl substituent on the aromatic ring. This structural feature makes it a valuable and versatile building block for the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. It is primarily sought after by R&D chemists and process engineers in the agrochemical, pharmaceutical, and advanced material sectors for introducing the 3-isopropylbenzoyl moiety into target compounds. Its reactivity as an acylating agent is central to creating amides, esters, and ketones under controlled conditions.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring the 3-isopropylbenzoyl functional group.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the isopropylbenzoyl unit contributes to biological activity.
• Polymer & Material Science: Serves as a monomer or modifying agent in the creation of specialty polymers, resins, and liquid crystals.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and colorants.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for acylations and Friedel-Crafts reactions to construct novel aromatic compounds.
• Flavor & Fragrance Ingredient: Potential intermediate for synthesizing certain aromatic compounds used in fragrance formulations.

Basic Information

Product Name	Benzoyl Chloride, 3-(1-Methylethyl)- (9Ci)
CAS No.	325770-58-9
Molecular Formula	C10H11ClO
Molecular Weight	182.65 g/mol
Synonyms	3-Isopropylbenzoyl chloride; m-Isopropylbenzoyl chloride; 1-(Chlorocarbonyl)-3-isopropylbenzene; 3-(1-Methylethyl)benzoyl chloride; Benzoyl chloride, 3-isopropyl-; Isopropylbenzoyl chloride (mixed isomers); 3-Isopropyl-benzoic acid chloride
EINECS	Contact for details

Quality Control

Every batch of Benzoyl Chloride, 3-(1-Methylethyl)- (9Ci) is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as purity, identity, and impurity profiles 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 room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and reacts with water and strong bases; ensure containers are kept tightly sealed in a dry environment. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids/organic solvents, amines, and alcohols.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%

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