Khoom Description
Monoethyl fumarate, tseem hu ua Fumaric acid monoethyl ester, Ethyl hydrogen fumarate, thiab Ethyl Fumarate Monoester. Cov mis mos molecular yog C₆H₈O₄, thiab qhov hnyav molecular yog 144.13. Tus lej EINECS yog 219-544-7. Monoethyl fumarate muaj cov tsos ntawm ze li ntawm dawb mus rau beige crystalline hmoov los yog dawb crystalline khoom. Lub melting point yog 64-69 degree, lub boiling point yog 214℃(ntawm ib txwm siab) thiab 147℃(ntawm 16 mmHg), qhov ceev yog 1.208 g / cm³, lub refractive index yog 1.4412 (ntawm 20 degree), lub flash point yog 109.6℃thiab soluble nyob rau hauv dej.
Cov ntaub ntawv yooj yim
| Khoom npe | 99% Purity Polymer Khoom Monoethyl Fumarate CAS 2459-05-4 |
| CAS | 2459/5/4 |
| MF | C6H8O4 |
| MW | 144.13 |
| EINECS | 219-544-7 |
| Mol File | 2459-05-4. mol |
| Melting point | 66-68℃(lit.) |
| Boiling point | 147℃/ 16 mmHg (lit.) |
| ceev | 1.1109 |
| Refractive Index | 1.4500 (kwv yees) |
| cia temp. | Lub tub yees |
| daim ntawv | Crystalline hmoov |
| pka ua | 3.45 ± 0.10 (Kev kwv yees) |
| xim | Yuav luag dawb rau beige |
Siv
Monoethyl fumarate tuaj yeem siv los npaj cov duab-crosslinkable macromonomers thiab los ua ke Ugi/intramolecular Diels-Alder (IMDA) cycloaddition khoom. Nws kuj yog ib qho zoo heev preservative thiab polymerizer rau cov ntaub ntawv polymer. Nws ua haujlwm hloov khoom noj khoom haus ntxiv xws li fumaric acid thiab nws cov dimethyl ester. Tsis tas li ntawd, nws tuaj yeem siv los ua khoom noj thiab khoom noj ntxiv.
Cov ntaub ntawv kev nyab xeeb
- Cia tej yam kev mob: Nws yuav tsum tau muab kaw thiab lub teeb - pov thawj, khaws cia nyob rau hauv qhuav, txias thiab zoo - qhov chaw ventilated.
- Cov ntaub ntawv kev nyab xeeb: Kev txheeb xyuas qhov phom sij yog R36/37/38, thiab kev txheeb xyuas kev nyab xeeb yog S26, S36. Nws ua rau lub qhov muag, ua pa thiab tawv nqaij.
Tuam txhab Profile
Gneebioyog ib lub tuam txhab tshwj xeeb hauv kev tshawb fawb, kev tsim kho, kev tsim khoom thiab kev muag khoom ntawm phytochemicals thiab tshuaj zoo.Our Hoobkas tau tsim nyob rau hauv 2016 thiab nyob rau hauv lub xeev Henan, npog thaj tsam ntawm 3,600 square meters. Peb muaj cov kws tshaj lij, zoo - nruab thiab siab - pab pawg R & D zoo nrog ntau tshaj 10 xyoo ntawm R&D kev paub. Peb cov khoom raug xa tawm mus rau ntau lub tebchaws, xws li Tebchaws Meskas, Russia, Canada, Australia, Europe, thiab lwm yam, thiab peb muab cov neeg siv khoom nrog cov kev pabcuam ceev ceev. Peb cia siab tias yuav tsim kom muaj kev sib koom tes ntev thiab muaj txiaj ntsig zoo nrog cov phooj ywg ntau dua yav tom ntej, thiab muab cov khoom lag luam zoo tshaj plaws thiab cov kev pabcuam zoo tshaj plaws rau peb cov neeg siv khoom.
FAQ
Koj lub tuam txhab puas tuaj yeem txais customization thiab ua tau raws li cov neeg siv khoom tshwj xeeb?
Yog, peb ua tau.
Koj cov nqe lus them nqi yog dab tsi?
Kev xa xov, paypal, Western union, nyiaj xaj thiab bitcoin.
Koj lub sijhawm xa khoom yog dab tsi?
Peb feem ntau xa tuaj hauv 1-3 hnub tom qab tau txais koj cov nyiaj them poob haujlwm.
Cim npe nrov: 99% purity polymer khoom monoethyl fumarate cas 2459-05-4, Tuam Tshoj 99% purity polymer khoom monoethyl fumarate cas 2459-05-4 manufacturers, lwm tus neeg, Hoobkas
