
Photoinitiator-TPO-L/2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester CAS No.:84434-11-7
Photoinitiator TPO-L (Ethyl 2,4,6-Trimethylbenzoylphenylphosphonate)
CAS No.: 84434-11-7
Appearance: Light yellow liquid.
Specifications
Purity: ≥99.0%
Melting Point: 144....
Category:Chemical Additives
Introduction
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.
- Used in low-yellowing, low-odor formulations for:
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.