Ntuj Coumarin CAS 91-64-5
Coumarin yog ib qho tshuaj lom neeg organic uas muaj ntxhiab tsw qab. Nws muaj nyob hauv ntau hom nroj tsuag, tshwj xeeb tshaj yog nyob rau hauv taum tonka.
Nws zoo li siv lead ua dawb los yog crystaline hmoov nrog tsw qab zib. Insoluble hauv dej txias, soluble hauv dej kub, cawv, ether, chloroform thiab sodium hydroxide kua.
Cov Khoom Siv Lub Cev
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Tsos (Xim) | Dawb siv lead ua |
| Tsw tsw phem | zoo li taum tonka |
| Kev dawb huv | ≥ 99.0% |
| Qhov Ceev | 0.935g/cm3 |
| Qhov kub yaj | 68-73 ℃ |
| Kub taw tes | 298℃ |
| Flash(ing) point | 162 ℃ |
| Cov ntsuas kev cuam tshuam | 1.594 |
Cov ntawv thov
siv rau hauv qee yam tshuaj tsw qab
siv ua cov tshuaj pleev xim rau ntaub
siv ua ib qho aroma enhancer hauv cov yeeb nkab haus luam yeeb thiab qee yam dej cawv
siv rau hauv kev lag luam tshuaj ua tus neeg ua ntej reagent hauv kev tsim cov tshuaj anticoagulant ntau yam khoom siv hluavtaws
siv ua tus hloov kho edema
siv ua cov xim lasers
siv ua tus neeg ua kom muaj zog hauv cov thev naus laus zis photovoltaic qub
Ntim Khoom
25kg/nruas
Kev Khaws Cia & Kev Ua Haujlwm
khaws cia kom deb ntawm cua sov
khaws cia deb ntawm cov chaw uas muaj hluav taws
kaw lub thawv kom nruj
khaws cia rau qhov chaw txias, muaj cua nkag tau zoo
12 lub hlis lub neej txee
