Photoinitiator TPO-L TDS.pdf

Photoinitiator TPO-L (Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate)Technical Data Sheet (TDS)Product Name: Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate (TPO-L) CAS Number: 84434-11-7 EC Number: 282-810-6 Molecular Fo···

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Photoinitiator TPO-L (Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate)

Technical Data Sheet (TDS)

Product Name: Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate (TPO-L)
CAS Number: 84434-11-7
EC Number: 282-810-6
Molecular Formula: C₁₈H₂₁O₃P
Molecular Weight: 316.33 g/mol
Product Code: PI-TPO-L-99
Revision Date: June 3, 2026

Chemical & Physical Properties

Property	Specification	Test Method
Appearance	Pale yellow to yellow viscous liquid	Visual inspection
Melting Point	144.5-147 °C (lit.)	ASTM D87
Boiling Point	456.0±55.0 °C (Predicted)	ASTM D86
Density at 20°C	1.14 g/cm³	ASTM D4052
Refractive Index (n20/D)	1.5610	ASTM D1218
Flash Point	184 °C (Closed cup)	ASTM D93
Vapor Pressure	0 Pa at 20 °C	Gas saturation method
Solubility at 20°C	71.8 g/L in organic solvents; 35 mg/L in water	Gravimetric method
Storage Conditions	Under inert gas (nitrogen or Argon) at 2-8 °C	-
Shelf Life	24 months when stored properly	-

Weicheng New Materials (Shandong) Co., Ltd.is internationally leading, and its products have passed EU and ISO certifications, exporting to Europe, America, Japan, and South Korea.Key Information OverviewCore products include glycidyl methacrylate (GMA), sodium methacrylate, TPO-L photoinitiator, and cosmetic ingredients.Company Size: 106 employees;Qualifica...

Photoinitiator TPO-L TDS.pdf

Photoinitiator TPO-L (Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate)

Technical Data Sheet (TDS)

Chemical & Physical Properties

Photoinitiator TPO-L MSDS.pdf

Photoinitiator TPO-L TDS.pdf

Photoinitiator TPO-L COA.pdf

Photoinitiator TPO-L