Cov khoom lag luam
Methanol yog cov tshuaj lom neeg organic sib xyaw ua ke thiab cov dej cawv yooj yim tshaj plaws, nrog tshuaj chiro ch₃oh. Nws yog lub teeb pom kev zoo, tsis muaj kob, tsis muaj kob thiab cov kua dej nrog ib qho txawv cawv zoo ib yam li ntawm ethanol, tab sis yog ntau dua kev lom ntau dua li tom kawg.
|
Tshuaj Cov Qauv |
Ch3Huag |
| Tus hniav loj | 32.042 Gol Mol Mol.−1 |
| Kev tshwm sim | Muaj kua tsis muaj xim |
| Tus ntxhiab | Tsaus muag thiab zoo ib yam li ethanol |
| Ceev | 0. 792 g \/ cm3 |
| Melting taw tes | -97.6 Degree (-143.7 Degree F; 175.6 K) |
| Kub taw tes | 64.7 Qib (148.5 Degree F; 337.8 k) |
|
Solubility hauv dej |
kom ua kom tiav |
| phau ntawv ceev xwmP | −0.69 |
| Vapor siab | 13.02 KPA (ntawm 20 degree) |
| Acidity (PKa) | 15.5 |
| Cov pa hluavtaws conjugate | Methyloxonium |
| Conjugate puag | Mehlanic |
|
Sib Nqus Tau Zoo (χ) |
−21.40·10−6cm3mol |
|
Cov indexial index (nD) |
1.33141 |
| Viscosity | {{0 {0}}. 545 Mpa-at (AT 25 QIB) |
|
Lub caij dipole |
1.69 D |
Kev siv
- Cov Khoom Siv Raw Tshuaj: Methanol yog siv los ua formaldehyde, acetic acid, mtbe, thiab lwm yam yog siv hauv ntoo, tshuaj thiab lwm yam kev lag luam; MTBE siv los ua cov roj av ntxiv.
- Roj: Nws tuaj yeem siv ncaj qha raws li roj, nrog cov khoom siv huv si, thiab tuaj yeem siv cov tsheb hydrogen, uas yog siv hauv cov tsheb methanol thiab roj cell.
- Kaus: feem ntau siv los ua xim, cwj mem thiab lwm yam kuab tshuaj.
- Cov tshuaj thiab tshuaj tua kab: Koom nrog cov tshuaj squthesis, hluavtaws tshuaj muaj feem ntau.
Tuam txhab tau
Hauv kaum xyoo dhau los, GNEE tau pab peb cov neeg tau ua tiav ntau txhiab tus ntawm ntau lub teb chaws thoob ntiaj teb, thiab peb tau mus rau ntau lub teb chaws thoob plaws ntiaj teb, Asmeskas, Tebchaws Is Nrias teb, Poland thiab lwm yam. Txoj kev vam meej ntawm cov phiaj xwm no tau muab cov kev tsim kho kom muaj zog rau peb kom muaj zog engineabities thiab peb muaj kev ntseeg siab rau peb cov neeg tau txais txiaj ntsig zoo.
Cov FAQ
Q: Kuv tuaj yeem tau txais cov khoom muag tom qab them nyiaj li cas?
A: Rau cov khoom me me, peb yuav xa cov khoom rau koj los ntawm International Express (DHL, FedEx, T \/ T, EMS, thiab lwm yam) lossis los ntawm huab cua. Nquag, nws yuav siv 2-5 hnub rau koj kom tau txais cov khoom muag.
Rau cov khoom loj, cov dej hiav txwv thauj khoom yog nyiam dua. Nws yuav siv sijhawm li ob peb hnub rau ob peb lub lis piam mus txog qhov chaw nres nkoj uas peb, nyob ntawm qhov chaw nyob ntawm lub chaw nres nkoj lo lus uas peb.
Q: Kuv tuaj yeem tau txais cov qauv li cas?
A: Peb tau txais txiaj ntsig los muab cov qauv rau koj. Rau cov khoom lag luam ib txwm, koj tsuas yog yuav tsum tau ris tus nqi thauj khoom; Rau cov nqi khoom lag luam siab, koj tsuas yog yuav tsum tau ris tus nqi thauj khoom thiab tus nqi tsawg me me.
Q: Koj lub Hoobkas siv tau kev tswj hwm zoo li cas?
A: Zoo los ua ntej. Peb muab qhov tseem ceeb rau kev tswj hwm zoo los ntawm thaum pib.
Q: Koj puas sim tag nrho koj cov khoom ua ntej xa khoom?
A: Yog, peb muaj 100% xeem ua ntej xa khoom, yuav muab tog ua ke nrog.
Q: Koj MOQ yog dab tsi?
A: Ua raws li cov khoom koj xav tau, peb yuav tshawb xyuas cov ntim tsawg kawg nkaus, thov hu rau peb rau cov ntsiab lus tshwj xeeb.
Cim npe nrov: Kev Purity 99.9% Methanol lossis Methyl Cury Cas {2}} Methanol lossis Methyl Curance Cas {5}} Cov Chaw Tsim Tshuaj, Chaw Tsim Tshuaj, Hoobkas