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FOB Price: USD 1.0000 |
Best price 131-57-7 Fast Delivery 131-57-7 Manufacturer UV-9
Best price/Fast Delivery 131-57-7,Manufacturer UV-9
Located in Hangzhou, a highly developed city in China, Hangzhou YaoShi COOP Import & Export Co., Ltd. is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Not only the outstanding customer service and high product quality, the company covers the range of Azo Initiators ,UV Abosorbers, Antioxidants, Fluorescent Whitening Agent, Oganic Pigments, Blowing Agent and etc. Fine chemicals. We do not simply develop, manufacture or supply chemicals, we provide chemical solutions and expertise. Until now ,we has established a long-term and steady business partnership with the companies for many countries and regions, and get their highly appraised and trusted by our efficient work.
Is a broad-spectrum UV absorber with the advantages of high absorptivity, non-toxicity, no teratogenicity, good light and thermal stability, it can simultaneously absorb UV-A and UV-B and is FDA approved Ⅰ Sunscreens are used frequently in the United States and Europe and are widely used in sunscreen cosmetics such as sunscreen creams, creams, honey, lotions and oils, as well as anti-discoloration agents for products that change color with light sensitivity
Chemical properties
light yellow crystalline powder, soluble in ethanol, acetone and other organic solvents, insoluble in water.
Application and Synthesis
UV-9 is a light yellow or white crystalline powder, also known as sunscreen 2, BP-3, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate , unsaturated polyester, ABS resin and cellulose resin and other plastics, the maximum absorption wavelength range of 280-340 nm, the general amount of 0.1-1.5%, good thermal stability, does not decompose at 200 ℃. This product hardly absorb visible light, it applies to light-colored transparent products. This product can also be used for paints and synthetic rubber. For the broad-spectrum UV absorbers, with high absorption rate, non-toxic, non-teratogenic effect, light, thermal stability. UV-9 can absorb UV-A and UV-B together, is the US FDA approved Class I sunscreen and being used with a higher frequency in the US and European countries. UV-9 is widely used in sunscreen cream, cream, honey, lotion, oil and other sunscreen cosmetics, but also as a product from the photosensitive and discoloration of the anti-discoloration agent. In addition, it is usually used for PVC and unsaturated polyester and many other fields, because UV-9 has good compatibility with many kinds of plastics and resins.
Application of High quality 131-57-7
Used as a pharmaceutical intermediates.
ultraviolet screen
Oxybenzone is an organic compound used in sunscreens. Oxybenzone is used as an ingredient in sunscreen and other cosmetics because it absorbs UVB and short-wave UVA (ultraviolet) rays. Oxybenzone was one of the first compounds incorporated into sunscreen formulations to offer enhanced UVA protection because its absorption spectrum extends to less than 350 nm.
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