| Name | Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate |
| Synonyms | SYNSORB PI-TPO-L JRcure TPO-L 4-BENZORESORCINOL 4-BENZOYLRESORCINOL Photoinitiator-TPO-L photo sensitizer TPO-L ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate Phenyl(2,4,6-trimethylbenzoyl)phosphinic acid ethyl ester |
| CAS | 84434-11-7 |
| EINECS | 282-810-6 |
| InChI | InChI=1/C18H21O3P/c1-5-21-22(20,16-9-7-6-8-10-16)18(19)17-14(3)11-13(2)12-15(17)4/h6-12H,5H2,1-4H3 |
| Molecular Formula | C18H21O3P |
| Molar Mass | 316.33 |
| Density | 1.14 |
| Melting Point | 144.5-147°C(lit.) |
| Boling Point | 456.0±55.0 °C(Predicted) |
| Flash Point | 242.878°C |
| Water Solubility | 35mg/L at 25℃ |
| Solubility | 71.8g/L in organic solvents at 20 ℃ |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Pale yellow to yellow oily liquid |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.549 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 2 |
| RTECS | DJ0700000 |
| LogP | 2.91 at 25℃ |
| Use | ethyl 2,4, 6-trimethylbenzoylphenylphosphonate (photoinitiator TPO-L) is a liquid photoinitiator, used in low yellowing, low odor formula system, commonly used in screen printing ink, lithographic printing ink, flexo printing ink, photoresist, varnish, printing plate and other fields. UV-curable coatings and inks UV-curable coatings and inks |