Omnirad 184
IGM Resins USA Inc. · Omnirad
Omnirad 184 is a highly efficient non-yellowing photoinitiator that is commonly used for curing acrylate-based systems upon exposure to UV light. It is particularly effective in clear coatings, overprint varnishes, and inks. Omnirad 184 is known for its low yellowing properties and excellent performance in a variety of formulations, providing rapid curing and high reactivity.
- Suitable for UV applications
- Yellowing resistance
- High efficiency
Specifications
Identifiers
- Chemical name
- 1-Hydroxycyclohexyl Phenyl Ketone
- CAS number(s)
- 947-19-3
- EC number
- 213-426-9
- Molecular formula
- C13H16O2
- InChI key
- QNODIIQQMGDSEF-UHFFFAOYSA-N
- INCI name
- (1-Hydroxycyclohexyl)-phenylmethanone
- Synonyms
- 1-Benzoylcyclohexanol, Hydroxycyclohexyl Phenyl Ketone, 1-Benzoylcyclohexan-1-ol, Free Radical Photoinitiator - Type I
Technical specifications
Properties
| Property | Value | Unit |
|---|---|---|
| Physical State | Solid | - |
| Appearance | Powder | - |
| Color | White | - |
| Molecular Weight | 204.3 | g/mol |
| Melting Point | 46 - 49 | °C |
| Boiling Point | 316.1 (at 101.3 kPa) | °C |
| Flash Point | 164 (CC, closed cup) | °C |
| Vapor Pressure | 0.02 (at 20°C) | Pa |
| Relative Density | 1.182 (at 20°C) | - |
| Water Solubility | 0.442 (at 23°C) | g/L |
| Partition Coefficient | log Pow 2.81 (at 25°C) | - |
| Autoignition Temperature | 424 | °C |
Specifications
| Test Condition | Specification | Value | Unit | Test Method |
|---|---|---|---|---|
| - | Appearance | White Powder (Pass) | - | Visual |
| - | Assay | ≥ 99.0 | % | GC Analysis |
| - | Volatiles | ≤ 0.5 | % | Loss on Drying |
| at 425 nm, 10g/100ml Acetonitrile | Transmittance | ≥ 98.0 | % | Spectrophotometer |
| at 500 nm, 10g/100ml Acetonitrile | Transmittance | ≥ 98.0 | % | Spectrophotometer |
| 10g/100ml Toluene | Clarity of Solution | Pass | - | Visual |
| - | Melting Point | 47 - 49 | °C | - |
| at 25°C | Specific Gravity | 1.100 - 1.150 | g/cm³ | - |
| by weight, at 20 °C | Solubility in butyl acetate | > 50 | % | - |
| by weight, at 20 °C | Solubility in hexanediol diacrylate (HDDA) | > 50 | % | - |
| by weight, at 20 °C | Solubility in trimethylolpropane triacrylate (TMPTA) | ~ 43 | % | - |
| by weight, at 20 °C | Solubility in tripropyleneglycol diacrylate (TPGDA) | ~ 43 | % | - |
| - | Shelf Life | Durable for at least 36 months | - | - |
- Product groups
- PhotoinitiatorsCoating Additives
- Applications
- Radiation-curable coatingsOverprint varnishes
- Functions
- Curing agentPhotoinitiator
- Market segments
- Protective coatings
Documents
- Request a copy
Technical Data Sheet (TDS)
Specifications & performance data
- Request a copy
Safety Data Sheet (SDS)
Safety information & handling