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 |