| Customization: | Available |
|---|---|
| CAS No.: | 75980-60-8 |
| Formula: | C22h21o2p |
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Product Name Photoinitiator TPO
Identification
Synonyms 2, 4, 6-Trimethylbenzoyldiphenyl phosphine oxide; Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Molecular Formula C22H21O2P
Molecular Weight 348.37
CAS Number 75980-60-8
EINECS/ELINCS 278-355-8
Properties
Appearance Light yellow powder
Melting Point 90.0 - 95.0°C
Water Solubility 0.0001 g/l - OECD Test Guideline 105 - slightly soluble
Specification
| Item | Specification |
| Appearance | Yellow crystal |
| Melting point | 91-95ºC |
| Purity | ≥99% |
| Loss on Drying | ≤0.2% |
| Ash | ≤0.1% |
| Acidity value | ≤0.5mgKOH/g |
Application
Mainly used as photoinitiator for Offset, Flexo, and Screen inks. Also can be used for wood coatings.
Advantages
Fast photocuring speed;
Good using in thick layers of photocuring coatings;
Low-volatility, mild-smell and environment friendly;
Anti-yellowing
Packing and Storage
Packing In 20kgs net bag or carton.
Storage Keep tightly closed. Avoid light and keep in cool and dry condition.
Safety Information
UN number: 3077 Class: 9 Packing group: III
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