Photoinitiator 1173 (Darocur 1173) for UV Wood
CAS Number: 7473-98-5
Photoinitiator 1173 (2-hydroxy-2-methyl-1-phenyl-propan-1-one, Darocur 1173) is a liquid, highly reactive Type I photoinitiator widely used in UV-curing wood floor and furniture coatings. Its liquid state facilitates easy incorporation, and its high quantum yield ensures fast cure at low concentrations. Suitable for both clear and pigmented UV wood coating systems.
Technical Specifications
| purity | ≥98% |
| appearance | Colorless to light yellow liquid |
| flash point | 72°C (closed cup) |
| molecular weight | 164.2 g/mol |
| UV absorption max | ~245 nm and ~330 nm |
Applications
- UV wood floor and parquet coatings
- UV furniture clear lacquers
- UV-curable wood sealers and primers
- UV printing inks for wood panels
- UV overprint varnishes for decorated wood
Key Features
- Liquid form for easy incorporation at room temperature
- High reactivity enabling fast cure at low dosage
- Good surface cure performance
- Compatible with all common UV oligomers and monomers
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CAS Number
7473-98-5
Category
Wood / Furniture CoatingsAvailability
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