Description

1-Hydroxycyclohexyl Phenyl Ketone is a highly efficient, versatile photoinitiator widely used in UV-curable formulations. Its primary value lies in its ability to generate free radicals upon exposure to ultraviolet light, initiating rapid polymerization for high-performance coatings and inks. This compound is essential for manufacturers in the printing, packaging, adhesive, and electronics industries seeking fast-curing, low-yellowing, and energy-efficient production processes.

Application

• UV-Curable Coatings and Inks: A key photoinitiator for clear and pigmented systems used in wood, plastic, and metal coatings, as well as graphic arts and printing inks.
• Adhesives and Sealants: Enables rapid curing in pressure-sensitive adhesives (PSAs), laminating adhesives, and assembly sealants.
• Electronics Manufacturing: Used in photoresists, solder masks, and conformal coatings for printed circuit boards (PCBs) and microelectronics.
• 3D Printing (Stereolithography): Serves as a photoinitiator in resin formulations for additive manufacturing, providing precise curing for complex structures.
• Dental and Medical Composites: Facilitates the hardening of restorative materials and biocompatible devices under UV light.
• Optical Fiber Coatings: Critical for the fast and efficient curing of protective primary and secondary coatings on glass fibers.

Basic Information

Product Name	1-Hydroxycyclohexyl Phenyl Ketone
CAS No.	947-19-3
Molecular Formula	C13H16O2
Molecular Weight	204.27 g/mol
Synonyms	1-Hydroxycyclohexyl phenyl ketone; Cyclohexanone, 1-hydroxy-, 1-phenyl-; Irgacure 184; 1-Phenyl-1-hydroxycyclohexane; 1-Hydroxy-1-phenylcyclohexane; 1-Hydroxycyclohexyl Phenyl Ketone (HCPK); Photoinitiator 184; UV-184
EINECS	213-426-9

Quality Control

Our 1-Hydroxycyclohexyl Phenyl Ketone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include assay, melting point, and residual solvent analysis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is strictly light-sensitive (protect from all light exposure) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Melting Point	47 - 50 °C
Assay (HPLC)	≥ 99.0 %
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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