 
				
				BASF Tinuvin 99-2 is an advanced liquid benzotriazole UV absorber designed for high-performance waterborne coating systems. This innovative formulation combines broad-spectrum UV protection with excellent environmental compatibility, delivering long-lasting substrate protection while maintaining optical clarity in demanding outdoor applications.
 
								 
								Broad-Spectrum Defense - Superior UV-A/B blocking with minimal visible light impact
Environmental Safety - Complies with strict food contact and eco-regulations
System Harmony - Excellent stability in waterborne resins without precipitation
Performance Multiplier - 50% durability boost when paired with HALS stabilizers
Processing Ease - Nano-sized particles enable direct dispersion
Wood Protection - Superior color retention for outdoor wood finishes
Automotive Refinish - Enhanced weatherability for waterborne coatings
Industrial Durability - Long-term corrosion protection for metal substrates
Safe Packaging - Compliant UV protection for food-contact inks
Architectural Innovation - Performance enhancement for energy-efficient glazing
| Chemical Name | 3-(2H-Benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenylpropionic acid C7-9 alkyl esters | 
| CAS Number | 127519-17-9 | 
| Appearance | Dark brown to amber liquid | 
| Molecular Weight | 451.6 g/mol | 
| Dynamic Viscosity (20°C) | 2000 mPa·s | 
| Density (20°C) | 1.07 g/cm³ | 
| Flash Point | 238°C | 
| Volatiles (150°C/3h) | ≤0.5% | 
| Solubility (20°C) | Butanol>50 g/100g / Water<0.01 g/100g | 
| Recommended Dosage | 1.0-3.0% (on binder weight) | 
| Packaging | 20 kg/drum (moisture-proof) | 
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