Ntuj Coumarin
Coumarin yog ib qho tshuaj tsw qab organic chemical compound.Nws yog ib txwm nyob hauv ntau cov nroj tsuag, tshwj xeeb hauv cov taum tonka.
Nws zoo nkaus li dawb crystalline hmoov los yog crystaline hmoov nrog qab zib tsw.Insoluble hauv dej txias, soluble hauv dej kub, cawv, ether, chloroform thiab sodium hydroxide tov.
Lub cev muaj zog
| Yam khoom | Specification |
| Qhov tsos (xim) | Dawb siv lead ua |
| tsw | zoo li tonka taum |
| Purity | ≥ 99.0% |
| Qhov ntom | 0.935g / cm3 |
| Melting point | 68-73 ℃ |
| Boiling point | 298 ℃ |
| Flash(ing) point | 162 ℃ |
| Refractive Index | 1.594 ib |
Daim ntawv thov
siv nyob rau hauv tej yam perfumes
siv los ua cov khoom txias txias
siv los ua ib qho tshuaj tsw qab hauv cov yeeb nkab luam yeeb thiab qee yam dej cawv
siv nyob rau hauv kev lag luam kws tshuaj raws li ib tug precursor reagent nyob rau hauv lub synthesis ntawm ib tug xov tooj ntawm hluavtaws anticoagulant pharmaceuticals
siv los ua edema modifier
siv raws li dye lasers
siv los ua sensitizer nyob rau hauv cov laus photovoltaic technologies
Ntim
25kg / nruas
Cia & tuav
kom deb ntawm tshav kub
kom deb ntawm qhov chaw ntawm qhov hluav taws kub
khaws lub thawv kaw kom nruj
khaws cia rau hauv qhov chaw txias, zoo-ventilated
12 lub hlis txee lub neej
