4-Aminobenzoic acid 4-aminophenyl ester/APAB CAS: 20610-77-9

Lus piav qhia luv luv:

Para-aminobenzoic acid p-aminophenyl ester, tseem hu ua PABA ester, yog dawb, crystalline hmoov uas yog soluble hauv cov kuab tshuaj organic xws li ethanol thiab acetone.Nrog rau cov mis mos molecular ntawm C13H12N2O2, nws muaj qhov hnyav molecular ntawm 224.25 g / mol.Cov tshuaj no feem ntau yog siv los ua ib qho nruab nrab hauv kev tsim cov dyes, tshuaj, thiab UV absorbers.

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Daim ntawv thov:

PABA ester muaj ntau yam kev siv thoob plaws kev lag luam sib txawv.Hauv kev lag luam tshuaj pleev ib ce, nws yog siv los ua UV absorber hauv cov khoom siv tshuaj pleev thaiv hnub thiab tshuaj pleev thaiv hnub.Nws muaj peev xwm nqus tau UV-B rays pab tiv thaiv daim tawv nqaij los ntawm kev puas tsuaj rau lub hnub.Ntxiv mus, PABA ester tau ua pov thawj tias muaj txiaj ntsig zoo los tiv thaiv kev degradation ntawm polymers los ntawm UV hluav taws xob.Yog li ntawd, nws yog dav siv nyob rau hauv kev tsim ntawm ntau yam yas thiab roj hmab cov ntaub ntawv.

Hauv kev lag luam kws tshuaj, PABA ester yog siv los ua lub tsev thaiv hauv kev sib txuas ntawm ntau yam tshuaj.Nws ua raws li qhov nruab nrab hauv kev tsim cov tshuaj loog hauv zos, tshuaj tua kab mob, thiab tshuaj tiv thaiv kab mob.Tsis tas li ntawd, qhov sib xyaw no muaj cov khoom antioxidant, uas ua rau nws muaj txiaj ntsig zoo hauv cov khoom noj khoom haus thiab cov khoom noj nutraceutical.

Quality Assurance:

Peb lub tuam txhab ua raws li kev tswj xyuas nruj kom ntseeg tau tias peb cov neeg siv khoom tau txais tsuas yog qib siab tshaj plaws PABA ester.Peb cov txheej txheem tsim khoom ua raws li cov qauv kev lag luam nruj, thiab txhua pawg ntawm cov khoom tau dhau los ua kev sim zoo hauv peb lub xeev-ntawm-lub-kos duab kuaj.Peb muab qhov tseem ceeb ntawm cov khoom sib xws, purity, thiab kev ua tau zoo kom tau raws li cov kev xav tau tshwj xeeb ntawm peb cov neeg siv khoom.

Cov neeg siv khoom txaus siab:

Ntawm peb lub tuam txhab, peb ntseeg hauv kev tsim kev sib raug zoo nrog peb cov neeg siv khoom ntev.Peb muab kev pabcuam rau cov neeg siv khoom sai thiab kev pabcuam kev pabcuam los daws cov lus nug lossis kev txhawj xeeb.Peb pab pawg kws tshaj lij tau cog lus kom nkag siab txog koj cov kev xav tau tshwj xeeb thiab muab cov kev daws teeb meem.Peb ntseeg hauv kev xa cov khoom zoo ntawm cov nqi sib tw, ua kom cov neeg siv khoom txaus siab thiab loyalty.