Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate

Base Information

• Chemical Name: Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate
• CAS No.: 84434-11-7
• Molecular Formula: C18H21O3P
• Molecular Weight: 316.337
• Hs Code.: 2931901990
• Mol file: 84434-11-7.mol

Synonyms:Phosphinicacid, phenyl(2,4,6-trimethylbenzoyl)-, ethyl ester (9CI);2,4,6-Trimethylbenzoylethoxyphenylphosphine oxide;Phosphinic acid,P-phenyl-P-(2,4,6-trimethylbenzoyl)-, ethyl ester;Lucirin LR 8893X;Lucirin TPO Liquid;Lucirin TPO-L;TPO-L;

Chemical Property of Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate

Chemical Property:

• Appearance/Colour: Yellow liquid
• Vapor Pressure: 0mmHg at 25°C
• Melting Point: 144.5-147 °C(lit.)
• Refractive Index: 1.549
• Boiling Point: 456.023 °C at 760 mmHg
• Flash Point: 242.878 °C
• PSA: 53.18000
• Density: 1.146 g/cm³
• LogP: 4.39210
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Solubility.: 71.8g/L in organic solvents at 20 ℃
• Water Solubility.: 35mg/L at 25℃

Purity/Quality:

98% ^*data from raw suppliers

p-Phenyl-p-(2,4,6-trimethylbenzoyl)phosphinicAcidEthylEster ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate(Photoinitiator TPO-L) is a liquid photoinitiator for low yellowing, low odor formulations, commonly used in screen printing inks, lithographic printing inks, flexo printing inks, photoresists, varnishes, printing Plates and other fields.

Technology Process of Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate

There total 13 articles about Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.4%

diethyl sulfate (64-67-5) + phenyl(2,4,6-trimethylbenzoyl)phosphinic acid → 2,4,6-trimethylbenzoylphenylphosphinic acid ethyl ester (84434-11-7)

Guidance literature:

With sodium hydroxide; at 60 - 80 ℃;

Reference yield: 77.0%

diethyl phenylphosphonite (1638-86-4) + 2,2,2-trichloro-1-(2,4,6-trimethylphenyl)ethan-1-one (81759-79-7) → 2,4,6-trimethylbenzoylphenylphosphinic acid ethyl ester (84434-11-7)

Guidance literature:

In toluene; at 50 - 70 ℃;

Reference yield: 55.0%

aqueous tert-butylhydroperoxide + vanadyl(IV) bis-acetylacetonate + α-hydroxy-(2,4,6-trimethylbenzyl)-phenylethoxy phosphine oxide → 2,4,6-trimethylbenzoylphenylphosphinic acid ethyl ester (84434-11-7)

Guidance literature:

In chlorobenzene;

upstream raw materials:

Dichlorophenylphosphine

phenylphosphinic acid

mesytaldehyde

diethyl sulfate

Downstream raw materials:

lithium (2,4,6-trimethylbenzoyl)phenylphosphine oxide

Refernces

• 1、 -. "High performance liquid phase continuous automatic production and co-production technology of organic phosphine compound". Paragraph 0075-0076. . Retrieved 2021/05/12.
• 2、 Zhang, Jian-Qiu,Han, Li-Biao. "Chlorosilane-Catalyzed Coupling of Hydrogen Phosphine Oxides with Acyl Chlorides Generating Acylphosphine Oxides". . p. 4633 - 4637. Retrieved 2020/06/23.