Description

Benzoin Ethyl Ether is a high-purity photoinitiator widely used in UV-curable systems. This compound is valued for its efficiency in generating free radicals upon exposure to ultraviolet light, which initiates rapid polymerization. It is an essential component for manufacturers in the printing inks, coatings, adhesives, and photoresist industries seeking to enhance production speed and product performance.

Application

• UV-Curable Coatings & Inks: A key photoinitiator for fast-curing, high-gloss surface finishes on paper, plastic, and metal.
• Photopolymer Printing Plates: Used in the production of flexographic and letterpress plates for the printing industry.
• Adhesives & Sealants: Facilitates rapid curing in UV-activated adhesive formulations for electronics and assembly.
• Dental Composites: Employed in light-cured dental restorative materials for quick setting.
• Optical Fiber Coatings: Initiates polymerization of protective coatings applied to optical fibers.
• Electronics (Photoresists): Acts as a photoactive compound in photoresists for PCB (Printed Circuit Board) manufacturing.
• 3D Printing (Stereolithography): Serves as a photoinitiator in resin-based additive manufacturing processes.

Basic Information

Product Name	Benzoin Ethyl Ether
CAS No.	574-09-4
Molecular Formula	C16H16O2
Molecular Weight	240.30 g/mol
Synonyms	Ethyl Benzoin Ether; 2-Ethoxy-1,2-diphenylethanone; Benzoin Ethyl Ether; α-Ethoxy-α-phenylacetophenone; Ethyl 2-hydroxy-2-phenylacetate? (Incorrect common misnomer); Photoinitiator BEE; UV Initiator BEE
EINECS	209-357-5

Quality Control

Our Benzoin Ethyl Ether is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and GC for residual solvent analysis, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	58°C - 62°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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