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Photoinitiator-TPO-L/2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester CAS No.:84434-11-7

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Photoinitiator TPO-L (Ethyl 2,4,6-Trimethylbenzoylphenylphosphonate)

CAS No.: 84434-11-7
Appearance: Light yellow liquid.


Specifications

Purity: ≥99.0%​Melting Point: 144.5–147 °C​Scorch Residue: ≤0.05%​Moisture: ≤0.5%

Applications

UV-Curable Systems:Used in ​low-yellowing, low-odor formulations for:​Screen printing inks, ​lithographic/flexographic inks, ​photoresists, ​overprint varnishes, and ​printing plates.

Packaging & Transportation

Standard Packaging: 25 kg/cardboard drum.​Custom Packaging: Available per buyer’s request.

Storage

Store in a ​dry, ventilated warehouse.Protect from ​direct sunlight, ​moisture, and ​high temperatures.

Summary:
Photoinitiator TPO-L’s ​liquid form and ​low-yellowing properties make it ideal for UV-curable inks and coatings requiring minimal odor and discoloration. Its ​high purity and stability ensure reliable performance in industrial applications.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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