Photoinitiator 184, CAS No.: 947-19-3
Photoinitiator 184 is a highly efficient Type I radical photoinitiator with the chemical name 1-Hydroxycyclohexyl Phenyl Ketone. It is also known as Hydroxycyclohexyl Phenyl Ketone, 1-Benzoyl-1-hydroxycyclohexane, HCPK and PI 184.
Chemical Name: 1-Hydroxycyclohexyl Phenyl Ketone
IUPAC Name: (1-Hydroxycyclohexyl)(phenyl)methanone
Alternative Name: 1-Benzoyl-1-hydroxycyclohexane
Common Names: Photoinitiator 184, PI 184, HCPK, Hydroxycyclohexyl Phenyl Ketone
CAS No.: 947-19-3
Molecular Formula: C13H16O2
Molecular Weight: 204.26 g/mol
EC No.: 213-426-9
Chemical Class: Type I Radical Photoinitiator
Photoinitiation Type: Type I free-radical photoinitiator

Appearance: White or off-white crystals
Purity: 99.0% (HPLC) min
Melting Point: 46 - 50℃
Ash: 0.10% max
Volatile matter: 0.20%
Light transmittance: (1g / 10mlToluene): 425nm≥98.0%; 500nm≥99.0%
Mainly used for the UV curing of acrylate clear coatings on the surfaces of paper, wood, metal and plastics.
20kg/carton.
6400MT/year.
Store Photoinitiator 184 in a cool, dry and well-ventilated area.
Keep the product in tightly closed original packaging and protect it from direct sunlight, excessive heat and moisture.
Because Photoinitiator 184 is a light-sensitive photoinitiator, avoid unnecessary exposure to strong light during storage and handling.
Hosea Chem® supplies Photoinitiator 184, CAS 947-19-3, for UV-curable coatings, printing inks, adhesives, varnishes and acrylate-based radiation-curable systems.