Description

Empts CAS NO 517-16-8 is a high-purity chemical intermediate, also known as 2,4,6-Trimethylbenzoyl chloride, valued for its role as a versatile acylating agent in organic synthesis. Its significance lies in enabling the efficient production of photoinitiators, pharmaceutical actives, and advanced materials. This compound is essential for manufacturers and R&D laboratories in the polymer, agrochemical, and fine chemical sectors seeking reliable, high-quality building blocks for their processes.

Application

• Photoinitiator Synthesis: A key precursor in the manufacturing of acylphosphine oxide (APO) and other high-performance photoinitiators used in UV-curable inks, coatings, and adhesives.
• Pharmaceutical Intermediates: Serves as a critical building block for the synthesis of various active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Production: Used in the synthesis of advanced crop protection agents and herbicides.
• Polymer Modification: Employed as an acylating agent to introduce specific functional groups into polymer chains, altering material properties.
• Liquid Crystal & OLED Materials: Acts as an intermediate in the production of specialty chemicals for electronic displays and optoelectronic devices.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and novel compounds.

Basic Information

Product Name	Empts CAS NO 517-16-8
CAS No.	517-16-8
Molecular Formula	C10H11ClO
Molecular Weight	182.65 g/mol
Synonyms	2,4,6-Trimethylbenzoyl chloride; Mesitoyl chloride; 2,4,6-Trimethylbenzenecarbonyl chloride; TMB-Cl; MES-Cl; 2,4,6-Trimethylbenzene-1-carbonyl chloride
EINECS	208-245-6

Quality Control

Our Empts CAS NO 517-16-8 is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity profiling, and impurity identification, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, oxidizers, and moisture. Recommended storage temperature is between 2°C and 8°C for extended stability. Handle and store under an inert atmosphere (e.g., nitrogen) to minimize degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Purity (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.