Benzophenone-4 CAS 4065-45-6
UV absorber BP-4 belongs rau benzophenone chav kawm ntawm cov tebchaw.Nws yog dawb los yog lub teeb daj hmoov ntawm chav tsev kub, uas tuaj yeem nqus tau 285 ~ 325Im ntawm lub teeb ultraviolet.Nws yog ib hom dav spectrum ultraviolet absorber nrog siab nqus tus nqi, tsis muaj tshuaj lom, tsis muaj photosensitization, tsis muaj teratogenicity, thiab zoo lub teeb thiab kub stability.Nws yog dav siv hauv tshuaj pleev thaiv hnub, zib ntab, tshuaj pleev, roj thiab lwm yam tshuaj pleev ib ce.
| Yam khoom | STANDARD |
| Qhov tshwm sim | Off-White hmoov |
| Purity (HPLC) | 99.50% min |
| Melting Point Deg.C | 160.0 ℃ min |
| qhuav poob | 2.0% max |
| PH, 1% Aqueous Solution @ 25C | 1.20-2.20 Nws |
| Gardner xim (10% | 4.0 max |
| 16.0 NTU max | |
| UV absorbance E1% cm, hauv dej max.285nm | 460 min |
| UV absorbance E1% cm, hauv dej ntawm max.325nm | 290 nqi |
| K-Tus nqi @ 285nm, L / g-cm | 46.0-50.0 Nws |
| Heavy hlau li Pb | 20 ppm max |
1.Ua tus neeg sawv cev tiv thaiv UV, nws muaj qhov zoo tiv thaiv kev laus thiab softening los ntawm paj rwb thiab polyester fibers.
2. Dav siv los tiv thaiv ultraviolet finishing agent nyob rau hauv cov tshuaj pleev ib ce tshuaj pleev ib ce xws li tshuaj pleev thaiv hnub, cream, zib mu, tshuaj pleev ib ce, roj, thiab lwm yam
3 kuj tuaj yeem siv los ua UV absorber hauv lwm cov dej-soluble inks, coatings, thiab lwm yam
25kg / hnab lossis raws li cov neeg siv khoom xav tau.Khaws cia rau hauv qhov chaw txias.
CAS 4065-45-6 Benzophenone-4
CAS 4065-45-6 Benzophenone-4
