紫外线吸收剂UV-9(Benzophenone-3)

Chemical Name: 2-Hydroxy-4-Methoxybenzophenone （Benzophenone-3）
CAS NO : 131-57-7
Molecular Formula: C₁₄H₁₂O₃
Structural Formula :

Property :
Yellowish crystalline powder, freely soluble in most organic solvents, not soluble in water.
 
Specification :
Content ≥99 %
Melting Point : 62~65°C
Loss on drying(55±2°C) ≤0.3%         
Content of Ash: ≤0.1%
Light Transmittance(290-400nm)≥ 93 %

Characteristics and Uses:
This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 290-400 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C, applicable to paint and various plastic products, particular effective to polyvinyl chloirde, polystyrene, polyurethane, acrylic resin, light-colored transparent furniture, as well as to cosmetics , with the dosage of 0.1-0.5%.

Package : packed in cardboard drums lined with plastic bags with the net capacity of 25 kg per bag.

Precaution :No toxicity; kept away from moisture and fire in transportation; stored and transported as common chemicals with good stability.