3-O-Ethyl Ascorbic Acid 86404-04-8 Daim tawv nqaij brightening
Kev Them Nyiaj:T / T, L / C
Khoom Keeb Kwm:Tuam Tshoj
Shipping Chaw nres nkoj:Beijing / Shanghai / Hangzhou
Kev txiav txim (MOQ):1kg ua
Lub Sijhawm Lead:3 hnub ua haujlwm
Muaj peev xwm ntau lawm:1000kg / hli
Kev cia khoom:Khaws rau hauv qhov chaw txias, qhuav, chav sov.
Cov khoom siv pob:carton, nruas
Pob loj:1kg / carton, 5kg / carton, 10kg / carton, 25kg / nruas
Taw qhia
3-O-Ethyl-L-Ascorbic Acid, los yog Ethyl Ascorbic Acid yog ib qho molecule tsim los ntawm kev hloov kho Ascorbic Acid, feem ntau hu ua vitamin C. Qhov kev hloov kho no yog ua kom cov molecule ruaj khov thiab txhim khu kev thauj mus los ntawm daim tawv nqaij, raws li cov vitamin C ntshiab. yooj yim degraded.Hauv lub cev, cov pab pawg hloov kho raug tshem tawm thiab Vitamin C rov qab los rau hauv nws daim ntawv ntuj.Yog li, Ethyl Ascorbic Acid khaws cov txiaj ntsig ntawm Vitamin C, xws li kev ua haujlwm antioxidant.Tsis tas li ntawd, nws tseem muaj zog dua hauv kev txo cov tawv nqaij darkening tom qab UV raug.Nws txawm muaj qee qhov teebmeem ntxiv, tsis pom nyob rau hauv cov ntshiab ascorbic Acid, xws li txhawb cov paj hlwb loj hlob lossis txo cov tshuaj tua kab mob.Thaum kawg, qhov kev tso tawm qeeb qeeb kuj ua kom ntseeg tau tias tsis muaj kev cuam tshuam tshuaj lom thaum siv cov vitamin C derivative no.
Specification (purity 98% nce los ntawm HPLC)
| Cov khoom | Specifications |
| Qhov tshwm sim | Dawb crystalline hmoov |
| Assay | ≥99% |
| Metling point | 110.0-115.0 ℃ |
| PH (3% dej tov) | 3.5-5.5 |
| Tsis pub dhau VC | ≤10ppm |
| Hnyav hlau | ≤10ppm |
| Poob rau ziab | ≤ 0.5% |
| Residue ntawm ignition | ≤ 0.2% |
