UV absorber BP-3
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Chemical Name: 2-Hydroxy-4-Methoxybenzophenone (Benzophenone-3)
CAS NO : 131-57-7
Molecular Formula: C14H12O3
Structural Formula :
Yellowish crystalline powder, freely soluble in most organic solvents, not soluble in water.
Content >=99 %
Melting Point : 62~650C
Loss on drying(55120C) <=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 2000C, 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.