PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE
phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
CAS: 162881-26-7
Molecular Formula: C26H27O3P
PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE - Names and Identifiers
| Name | phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide |
| Synonyms | OMNIRAD 380 OMNIRAD 819 Photoinitiator 819 Photoinitiator-819 former IRGACURE 819 (Phenylphosphoryl)bis(mesitylmethanone) Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide Phosphine oxide, phenylbis(2,4,6-trimethylbenzoyl)- Phosphine oxide, phenyl bis (2,4,6-trimethylbenzoy)- (phenylphosphoryl)bis[(2,4,6-trimethylphenyl)methanone] |
| CAS | 162881-26-7 |
| EINECS | 423-340-5 |
| InChI | InChI=1/C26H27O3P/c1-16-12-18(3)23(19(4)13-16)25(27)30(29,22-10-8-7-9-11-22)26(28)24-20(5)14-17(2)15-21(24)6/h7-15H,1-6H3 |
| InChIKey | GUCYFKSBFREPBC-UHFFFAOYSA-N |
PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE - Physico-chemical Properties
| Molecular Formula | C26H27O3P |
| Molar Mass | 418.47 |
| Density | 1.17±0.1 g/cm3(Predicted) |
| Melting Point | 131-135°C(lit.) |
| Boling Point | 590.0±60.0 °C(Predicted) |
| Flash Point | 310.6°C |
| Water Solubility | 100μg/L at 20-21℃ |
| Solubility | acetone, acetonitrile, toluene, and hexanedioldiacrylate: soluble |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | powder |
| Color | Pale Yellow to Yellow |
| Maximum wavelength(λmax) | ['366nm(MeOH)(lit.)'] |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.588 |
| Physical and Chemical Properties | Appearance: light yellow powder Melting Point: 131-135°C flash point: 310.6°C Boiling Point: 90°C (760 mmHg) density: 1.17g/cm3 |
PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R43 - May cause sensitization by skin contact R53 - May cause long-term adverse effects in the aquatic environment |
| Safety Description | S22 - Do not breathe dust. S24 - Avoid contact with skin. S37 - Wear suitable gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | - |
| HS Code | 29319090 |
PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE - Reference Information
| LogP | 5.77-5.8 at 22℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | photoinitiator 819 can also be used for colored UV curing plastic coatings. UV coatings have been widely used on plastic shells of various electronic and home appliance products due to their excellent performance and efficient production. however, the UV coating film does not cure well after adding color, resulting in poor adhesion of the coating film, as well as the poor dispersion and arrangement of pigments by UV resin, it seriously affects the appearance of the coating film. Therefore, the traditional construction process is to first coat solvent-based colored primer for coloring, and then coat UV varnish after baking to improve the various physical properties of the paint film surface. |
| overview | photoinitiator (Photoinitiator, abbreviated PI) is a key component of photocurable materials, which plays a decisive role in the photocuring speed of photocurable materials. Photoinitiator is a kind of material that can absorb radiation energy, undergo photochemical changes after excitation, and produce active intermediates (free radicals or cations) with the ability to initiate polymerization. Photoinitiators can be divided into ultraviolet initiators (ultraviolet light absorption region 250 ~ 420nm) and visible light initiators (visible light absorption region 400 ~ 700nm) due to different radiation energy. Photoinitiators can be divided into free radical photoinitiators and cationic photoinitiators due to the different active intermediates produced. Free radical photoinitiators can be divided into two types: cracking photoinitiators and hydrogen-dehydrating photoinitiators due to the different mechanisms of producing free radicals. At present, the light curing technology is mainly ultraviolet curing, and the photoinitiator used is ultraviolet light initiator. |
| use | UV curable varnish and paint systems, such as wood, paper, metal, plastic, optical fiber and printing ink and prepreg systems |
Last Update：2024-04-10 22:29:15
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