Ultraviolet Absorbent  
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»  Ultraviolet Absorbent
Ultraviolet Absorbent UV-9
Chemical Name 2-Hydroxy-4-methoxy-benzophenone
Chemical Formula C14H12O3
CAS NO. 131-57-7
Structural Formula
Main Indexes Appearance: Light yellow crystalline powder
Content :≥99%
Melting Point :62-64°C
Ash: ≤0.1%
Loss on Drying : ≤0.5%
Solubility: Benzene : 56.2%; n-hexane: 4.3%; ethanol (95%): 5.8% ;Carbon tetrachlornamee:34.5% ;styrene: 51.2%; DOP: 18.7%
Characteristics and Uses This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 270-340 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%.
Storing and Packing This product is nontoxic, inflammable, noncroddible and well stable, packed in cardboard drums lined with plastic bags with the net capacity of 25 kg per bag, or according to customers' requirements.

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