High purity 99% min Allantoin CAS 97-59-6
Lub npe tshuaj: 5-Ureidohydantoin; Allantion
Alias: (2,5-dioxo-4-imidazolidinyl)-urea
Cov mis mos molecular: 158.12
1. Khoom
Cov khoom siv ntshiab yog tsis muaj tshuaj lom, tsis muaj ntxhiab thiab tsis ua rau khaus dawb, mp 226-240 ° C; soluble hauv dej kub, cawv thiab diluted sodium hydroxide tov; me ntsis soluble hauv cov dej kub thiab dej cawv, insoluble hauv ether thiab chloroform; pH-tus nqi ntawm nws cov saturated aqueous tov (concentration 0.6%) yog 5.5; ruaj khov nrog PH 4-9; ruaj khov nyob rau hauv uas tsis yog-dej tov thiab cua qhuav; tuaj yeem decomposed hauv boiling alkali tov thiab nyob rau hauv insolation.
2. Siv:
Nws yog ib qho tseem ceeb zoo tshuaj siv dav hauv khw muag tshuaj, lub teeb kev lag luam, kev ua liaj ua teb, tshuaj txhua hnub thiab bio-engineering:
1. Hauv Pharmacy: tuaj yeem txhawb kev loj hlob ntawm cov hlwb thiab kho qhov txhab; kuj tseem siv tau rau xerodermia, osteomyelitis thiab hepatocirrhosis thiab lwm yam.
2. Nyob rau hauv cov tshuaj pleev ib ce: tuaj yeem khaws cov dej noo ntawm daim tawv nqaij; dav siv nyob rau hauv freckles cream, tshuaj zawv plaub hau, xab npum, tshuaj txhuam hniav thiab lwm yam.
3. Hauv kev ua liaj ua teb: siv los ua cov nroj tsuag kev loj hlob ntawm cov nplej, nplej, zaub thiab tshuaj yej.
| Yam khoom | Index |
| Qhov tshwm sim | Dawb hmoov |
| Tsis hnov tsw | Tsis hnov tsw |
| Kev ntsuas% ≥ | 99.0 ua |
| PH tus nqi (0.5% WS) | 3.50-6.50 Nws |
| Kev ziab qhuav% ≤ | 0.20 |
| Sulfuric Acid Ash% | 0.10 |
| Sulfate% | 0.02 ib |
| Chlorides% | 0.004 ib |
| Heavy Hlau (Pb)% | 0.001 ib |
| Hloov glycolurils% | 0.20 ib |
| MP ° C | decomposed ntawm txog 230 ° C |
| Qhov ceev g / cc | 0.70 ib |
