Tej Caij Coumarin Cas 91-64-5
Coumarin yog cov tshuaj pleev xim muaj ntxhiab tsw qab. Nws yog ib txwm nyob rau hauv ntau cov nroj tsuag, tshwj xeeb nyob rau hauv tonka taum.
Nws zoo nkaus li dawb crystal lossis crystaline hmoov nrog cov tsw qab. Digoluble hauv dej txias, soluble hauv dej kub, dej cawv, ether, chloroform thiab sodium hydrocide tov.
Cov Khoom Siv Lub Cev
| Yam | Kev qhia tshwj xeeb |
| Tsos (xim) | Cov Crystal Dawb |
| Tus ntxhiab | Zoo li Tonka taum |
| Kev coj dawb huv | ≥ 99.0% |
| Ceev | 0.935g / cm3 |
| Melting taw tes | 68-73 ℃ |
| Kub taw tes | 298 ℃ |
| Flash (cuam) | 162 ℃ |
| Refronction Index | 1.594 |
Cov Ntawv Thov
siv nyob rau hauv qee yam naj hoom
siv raws li cov khoom qab zib
siv ua aroma txhim kho hauv cov yeeb nkab tobaccos thiab qee cov dej cawv me me
siv nyob rau hauv kev lag luam kws tshuaj yog ib qho tseem ceeb ua ntej reagent nyob rau hauv synthesis ntawm ntau cov khoom siv hluavtaws anticoumulant tshuaj
siv raws li Edema hloov kho
siv raws li zas lasers
siv los ua cov rhiab hauv cov cuab yeej siv hluav taws xob laus
Ntim
25Kg / nruas
Cia & Tuav
cia kom deb ntawm tshav kub
Khaws deb ntawm cov khoom siv ntawm ignition
Khaws kom kaw kom nruj
Khaws rau hauv qhov chaw txias, muaj cua zoo
12 lub hlis txee lub neej
