Benzophenone -3

Benzophenone-3 (Oxybenzone) feem ntau yog siv tshuaj hu ua UV-9 absorbers, uas tiv thaiv daim tawv nqaij los ntawm cov teeb meem ntawm lub hnub lub ultraviolet hluav taws xob.

Xa kev nug

Hauj lwm lawm

Kev piav qhia

Lub npe tshuaj: Benzophenone-3(Oxybenzone)

Purity : 97.0% ~ 103.0%
Spec: USP txuj
Cov roj formula: C14H12O3

CAS Nr.: 131-57-7
Cov tsos mob: daj ntseg daj daj crystalline hmoov

COA

Yam khoom	SPECIFICATIONS	SAIB XYUAS RESULT
Qhov tshwm sim	daj ntseg daj crystalline hmoov	Hla
Assay GC	Ntau dua lossis sib npaug li 99.5%	99.90%
Melting Point	62-65 degree	62 1-63.1 degree
Poob rau ziab	Tsawg dua lossis sib npaug rau 0.5%	0.14%
Tshauv Ntsiab Lus	Tsawg dua lossis sib npaug rau 0.1%	0.01%
Kev nqus (E 1% / 1cm) hauv methanol, wavelength 285nm	Ntau dua lossis sib npaug rau 610	634
Absorption tus nqi (E 1% / 1cm) hauv methanol, wavelength 325 nm	Ntau dua lossis sib npaug li 400	421
Xaus	Ua raws li qhov yuav tsum tau ua

Daim ntawv thov

Benzophenone-3 (Oxybenzone) yog cov khoom siv dav siv hauv cov tshuaj pleev thaiv hnub, tshuaj pleev thaiv hnub, thiab lwm yam khoom siv tu tus kheej. Nws paub txog nws cov txiaj ntsig ntawm kev thaiv UVA thiab UVB hluav taws xob, thiab tau pom tias txo qis kev pheej hmoo ntawm mob qog noj ntshav ntawm daim tawv nqaij thiab kev laus ntxov ntxov los ntawm hnub raug.