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　　UV-9/ Eversorb11/ benzophenone/ UV absorber /UV absorbent

　　Ultraviolet Absorbent UV-9

　　Chemical Name 2-Hydroxy-4-methoxy-benzophenone

　　Chemical Formula C14H12O3

　　CAS NO. 131-57-7

　　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 f u r n i t u r e, 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.

　　Bohanchem offers plastic additives ( chemical additives) such as optical brightener ( optical brightening agent, fluorescent whitening agent) , UV absorber ( UV absorbent) , light stabilizer ( light stabilizing agent, UV stabilizer, UV stabilizing agent) , antioxidant, pigment.

　　Main Products:

　　Polymerization retarder: 701 ( 4-hydroxy-TMHPO, TEMPO)

　　Fluorescent whitening agent: OB, OB-1, KCB, FP-127, KS, NFW

　　UV absorbers: UV-0, 531( BP-12) , UV-9, UV-P, 326, 327, 328, 329( 5411) , UV-T, 234, 571, 320

　　Antioxidant : 1010, 1076, 168, 264, 1098, 2246, 300, 311, B102, DLTP, DSTP, B215, B225, B900

　　Light stabilizer: 622, 770, 944, 802

　　Pigments: red 122, red 254, violet 19, violet 23, yellow 110, yellow 138, titanium dioxide