Cov khoom lag luam
Ethyl acetoacetate (EAA) yog ib qho tsis muaj xim daj ua kua rau hauv dej thiab lwm yam khoom noj yog ntau dua ethyl acetoacetate yog nquag nquag .
| Kev tshwm sim | Muaj kua tsis muaj xim |
| Tus ntxhiab | Txiv mab txiv ntoo lossis rum |
| Ceev | 1.030 g / cm3, kua |
| Melting taw tes | -45℃(-49℃f; 228 k) |
| Kub taw tes | 180.8 Degree (357.4 Degree F; 453.9 k) |
|
Solubility hauv dej |
2.86 G / 100 ml (20 degree) |
| Acidity (PKa) |
10.68 (hauv h2O) 14.2 (hauv dmo) |
|
Sib Nqus Tau Zoo (χ) |
−71.67×10−6cm3mol |
|
Cov indexial index (nD) |
1.420 |
Kev siv
- Cov khoom siv raw rau cov synthic: Ethyl Acetoacetate nyob hauv teb cov khoom tseem ceeb ntawm cov duab hluav taws xob tau siv nyob rau hauv kev lag luam acid, thiab barratic acid dedivatives yog siv cov tshuaj sedation thiab hypnotic . Hauv cov tshuaj tua kab hluavtaws, EAA pab npaj kom txuag tau ntau yam thiab cov tshuaj lom neeg muaj tshuaj tua kab thiab cov kab mob {}}
- Kev Lag Luam Kev Lag Luam: Nrog nws cov tshuaj tsw qab, Ethyl acetoacetate yog siv los ua cov tshuaj tsw qab hauv kev lag luam txuj lom hauv txuj lom .
- Lwm yam kev siv: hauv kev lag luam pleev xim, EAA tuaj yeem siv los ua cov kuab tshuaj thiab ntxiv} hauv kev lag luam plastics, nws tuaj yeem siv los siv cov khoom tshwj xeeb {}}
Tuam txhab tau
Gnee muaj xyoo ntawm kev paub hauv kev tsim thiab muag cov tshuaj zoo, muab cov tshuaj organic, biochemicals, cov khoom lag luam .
Peb muaj cov kws tshaj lij R & D Team . Peb pab neeg ntau dua 200}
Peb ua raws li lub hauv paus ntsiab lus ntawm "ua ib qho zoo ua ntej" thiab tau teeb tsa cov qauv ntsuas kom nruj rau txhua theem ntawm txhua theem ntawm cov txheej txheem ntau lawm.
Saib xyuas cov tshuaj xyuas zoo saib xyuas cov txheej txheem ntau lawm ntawm txhua cov khoom lag luam kom ntseeg tau tias qhov zoo tshaj plaws tshuaj lom neeg .
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Cov FAQ
Q: Thaum twg cov zaub mov xa tuaj?
A: Cov zaub mov xa tuaj yuav tau ua nyob rau hauv 5-10 hnub tom qab tau txais kev them nyiaj yug {.
Q: Koj tus qauv los xyuas kom meej qhov zoo ntawm koj cov khoom?
A: Peb nruj ua raws li 6 kauj ruam rau kev tswj hwm zoo, pib los ntawm cov khoom siv raw, pib los ntawm cov khoom lag luam tiav rau cov khoom tiav tawm hauv lub hoobkas.
Q: Yuav ntev npaum li cas rau kuv kom tau txais cov qauv?
A: Peb yuav xa cov qauv tsis pub dhau {{}}}}}}} {{{3} {3} {3} {}5-7 ua haujlwm hnub
Q: Koj txais cov txheej txheem them nqi dab tsi?
A: Peb lees txais 50% them ua ntej lossis 100% them rau pom, lossis lwm txoj kev them nyiaj, yuav tsum sib tham.
Q: Qhov kev txiav txim yam tsawg kawg nkaus?
A: Feem ntau qhov kev txiav txim yam tsawg kawg nkaus yog 1kg, uas tuaj yeem siv ua piv txwv rau cov khoom lag luam tshwj xeeb yog 20 gram .
Cim npe nrov: Ethyl acetoacetate (EAA) rau cov khoom hluavtaws 141-97-9 ethyl acetoacetate (ea}141-97-9 cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas