Oxybenzone CAS 131-57-7 Ultraviolet Absorber UV-9;Benzophenone-3 Purity > 99.0% (HPLC)

2-Hydroxy-4-Methoxybenzophenone (Oxybenzone; Ultraviolet Absorber UV-9; Benzophenone-3) (CAS: 131-57-7) yog ib qho zoo heev UV hluav taws xob absorbing tus neeg saib xyuas, yog FDA pom zoo UV lim thiab absorber, muaj peev xwm ntawm zoo absorbing UV hluav taws xob ntawm 290-400 nm wavelength, tab sis nws yuav luag tsis nqus pom lub teeb, tshwj xeeb tshaj yog siv tau rau cov khoom siv pob tshab.Nws yog qhov ruaj khov rau lub teeb thiab cua sov, tsis decomposable hauv qab 200 ℃, siv tau rau cov xim thiab ntau yam khoom yas, tshwj xeeb tshaj yog siv rau polyvinyl chloirde, polystyrene, polyurethane, acrylic resin, lub teeb xim pob tshab rooj tog, nrog rau cov tshuaj pleev ib ce, noj 0.1-0.5%.Oxybenzone yog siv los ua cov khoom siv tshuaj pleev thaiv hnub thiab lwm yam tshuaj pleev ib ce.Oxybenzone yog siv rau hauv cov yas ua ib qho ultraviolet lub teeb absorber thiab stabilizer.Nws yog siv, nrog rau lwm yam benzophenones, hauv tshuaj pleev thaiv hnub, tshuaj pleev plaub hau, thiab tshuaj pleev ib ce vim tias lawv pab tiv thaiv kev puas tsuaj los ntawm tshav ntuj raug.Nws kuj tseem pom, nyob rau hauv ntau txog 1%, hauv cov ntsia thawv polish.Oxybenzone tuaj yeem siv los ua cov duab thaij duab rau cov khoom siv hluavtaws.Benzophenones tuaj yeem tawm los ntawm cov ntim khoom noj, thiab tau siv dav los ua cov duab-pib pib siv los pib cov tshuaj uas dries number case sai dua.Raws li cov tshuaj pleev thaiv hnub, nws muab dav-spectrum ultraviolet kev pab them nqi, suav nrog UVB thiab luv-yoj UVA rays.Raws li tus neeg sawv cev aphotoprotective, nws muaj qhov nqus tau los ntawm 270 mus rau 350 nm nrog qhov siab kawg ntawm 288 thiab 350 nm.Nws yog ib qho ntawm feem ntau siv cov organic UVA lim hauv cov tshuaj pleev thaiv hnub hnub no.Nws kuj pom muaj nyob rau hauv cov ntsia thawv polish, fragrances, hairspray, thiab tshuaj pleev ib ce raws li ib tug photostabilizer.Raws li tus neeg saib xyuas ultraviolet absorption, nws muaj rau unsaturated polyester, polyethylene thiab PVC thiab lwm yam. Kev siv dav dav: 0.1-0.5% rau nyias nyias, 0.05-0.2% rau cov khoom tuab.Nws yog ib hom dav-spectrum ultraviolet absorbent, nrog siab nqus tus nqi, tsis muaj tshuaj lom, tsis muaj teratogenic nyhuv, zoo stability rau lub teeb thiab tshav kub, nws muaj peev xwm nqus tau UV-A thiab UV-B tib lub sijhawm.Nws yog dav siv nyob rau hauv cov tshuaj pleev thaiv hnub, cream, zib mu, emulsion, roj thiab lwm yam tshuaj pleev ib ce tshuaj pleev ib ce, thiab kuj yuav siv tau raws li anti-discoloration tus neeg sawv cev ntawm photosensitive thiab discoloration khoom.Siv rau hauv cov yas, tshuaj fiber ntau, xim thiab cov khoom siv roj av, tshwj xeeb tshaj yog rau cov khoom siv lub teeb thiab pob tshab.Kev siv rau Oxybenzone Siv hauv cov yas, tshuaj fiber ntau, pleev xim thiab roj av, tshwj xeeb tshaj yog tsim rau cov khoom siv pob tshab xim Oxybenzone daim ntaub ntawv: Nws yog dav siv hauv cov tshuaj pleev thaiv hnub, tshuaj pleev, nectars, tshuaj pleev ib ce, roj thiab lwm yam tshuaj pleev thaiv hnub, thiab ua cov tshuaj tiv thaiv. -discolouring tus neeg sawv cev rau cov khoom uas hloov xim vim photosensitivity.