Address
Room 2301C, 23rd Floor, Building 1, jinghu Commercial center, No, 34, Liangzhuang Street, Eri District, Zhengzhou City, Henan province
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
High Purity 99% UV Photoinitiator TPO CAS 75980-60-8 for UV/EB Coatings
CAS No.:75980-60-8
Purity:99%
Place of Origin: China
Appearance:Light yellow Prowder
MF:C22H21O2P
Acid value:≤0.50mg/g
Volatility:≤0.20%
2,4,6-Trimethylbenzoyldiphenylphosphine oxide (abbreviated as TPO) is a highly efficient free-radical photoinitiator. It exhibits excellent solubility in diluents, high photoinitiation efficiency, and resistance to yellowing. It is particularly well-suited for the curing of thick coatings, features a photobleaching effect, and demonstrates excellent thermal and storage stability.
Product picture:
Function
UV Coatings: Wood finishes, plastic coatings, decorative metal paints.
Printing Inks: Flexographic, offset, and screen printing inks.
3D Printing: Initiator components for light-curable (SLA/DLP) resins.
Electronic Materials: PCB photoresists, optical adhesives.
The recommended addition level is approximately 1–3% in coatings and 5–10% in inks.
| chemical name | Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide |
| Appearance | Pale yellow crystal or powder |
| Assay | 99.0%min |
| Melting Point | 91-94℃ |
| Volatile | 0.20%max |
| Package | 20kg/carton |
| Molecular formula | C22H21O2P |
| Molecular weight | 348.37 |
Package:1kg、25Kg
