Lwm Lub Npe rau 2-Methoxyethanol yog dab tsi?
2-Methoxyethanol (CAS 109-86-4) paub los ntawm ntau lub npe hauv kev lag luam, kev ua haujlwm, thiab cov ntaub ntawv tswj hwm. Cov ntsiab lus feem ntau yog methyl cellosolve, ethylene glycol monomethyl ether, EGME, methyl glycol, thiab methoxyethanol. Nws lub npe IUPAC yog 2-methoxyethan-1-ol. Lub npe lag luam keeb kwm methyl cellosolve los ntawm cellosolve hom glycol ethers, thiab EGME tsuas yog cov ntawv luv ntawm ethylene glycol monomethyl ether. Cov neeg yuav khoom yuav tsum paub tias tag nrho cov npe no xa mus rau tib lub koom haum, thiab CAS tus naj npawb 109-86-4 yog tus txheeb ze txhim khu kev qha siv hauv kev yuav cov ntaub ntawv thiab SDS pov thawj.
Chemical Identity thiab Key Properties
2-Methoxyethanol yog qhov yooj yim glycol ether, nrog rau cov mis molecular C3H8O2 thiab molecular hnyav 76.09 g/mol. Nws cov qauv, CH3OCH2CH2OH, muaj ob pawg ether thiab ib pawg hydroxyl, uas ua rau nws ua tiav miscibility nrog dej thiab nrog cov kuab tshuaj organic feem ntau. Nws yog cov kua ntshiab, tsis muaj xim nrog cov ntxhiab tsw zoo li ether, qhov kub ntawm txog 124.5 degree, lub melting point ntawm -85 degree, qhov ntom ntawm li 0.965 g / cm3 ntawm 20 degree, thiab ib tug flash point ntawm txog 39℃(kaw khob).
| Khoom | Tus nqi |
| CAS Nr | 109-86-4 |
| IUPAC npe | 2-Methoxyethan-1-ol |
| Cov lus sib piv | Methyl cellosolve, ethylene glycol monomethyl ether, EGME, methyl glycol |
| Cov mis mos molecular | C3H8O2 |
| Molecular hnyav | 76,09 g / mol |
| Boiling point | 124.5°C dej |
| Melting point | -85 degree |
| Flash point (lub khob kaw) | Txog 39 degree |
| Qhov ceev ntawm 20 degree | 0.965g / cm3 |
| Dej tsis sib haum | Ua kom tiav |
2-Methoxyethanol siv rau dab tsi?
Vim tias nws cov kuab tshuaj muaj zog thiab ua tiav cov dej tsis zoo, 2-methoxyethanol tau siv los ua cov kuab tshuaj hauv cov txheej txheem, cov ntawv luam ntawv, cov tshuaj ntxuav tes, thiab kev ua haujlwm hauv chav kuaj, thiab ua cov tshuaj nruab nrab hauv cov organic synthesis. Nws dissolves ntau resins, roj, thiab dyes, thiab nws acetate ester yog ib tug qeeb-evaporating hnyav rau automotive txheej. Txawm li cas los xij, feem ntau cov neeg siv khoom thiab ntau cov kev lag luam siv tau raug tshem tawm lossis nruj me ntsis vim tias cov tshuaj no yog cov tshuaj tua kab mob. Hauv European Union nws yuav raug REACH cov kev txwv nrog kev txwv tsis pub muaj kev txwv ntau hauv cov neeg siv khoom, thiab cov kev txwv rau kev ua haujlwm raug teeb tsa nyob rau theem qis hauv feem ntau txoj cai. Kev siv tam sim no raug txwv rau kev tswj hwm kev lag luam nrog kaw tshuab.
Kev Nyab Xeeb Kev Nyab Xeeb thiab Kev Nyab Xeeb Kev Nyab Xeeb
2-Methoxyethanol yog nqus los ntawm daim tawv nqaij, los ntawm kev nqus pa, thiab los ntawm kev noj. Nws yog metabolized rau methoxyacetic acid, uas tuaj yeem ua rau cov pob txha pob txha, cov ntshav, thiab cov qog nqaij hlav, thiab nws raug cais raws li cov tshuaj tua kab mob. Kev tuav yuav tsum muaj kev tswj xyuas engineering xws li kaw lub kaw lus thiab lub tshuab tso pa hauv zos, cov hnab looj tes tiv thaiv tshuaj, tsom iav, thiab cov khaub ncaws tiv thaiv, thiab kev saib xyuas huab cua kom paub tseeb tias qhov kis tau qis dua qhov kev txwv. Cov neeg ua haujlwm cev xeeb tub yuav tsum tsis txhob raug nthuav tawm. Khaws cov kua hauv av, kaw cov thawv kom deb ntawm qhov chaw hluav taws xob thiab cov oxidizers, thiab pov tseg cov khoom pov tseg raws li cov khoom siv phom sij los ntawm cov ntawv tso cai.
Yuav ua li cas kom tsis txhob muaj kev ntxhov siab hauv kev yuav khoom
Vim tias qhov sib xyaw ua ke muaj ntau lub npe, kev yuav khoom thiab txais cov pab pawg yuav tsum yeej ib txwm ua raws li CAS tus lej 109-86-4 tiv thaiv SDS thiab lub thawv ntawv, thiab paub meej txog qib, purity, thiab specification nrog daim ntawv pov thawj ntawm kev soj ntsuam. Tsis txhob cuam tshuam 2-methoxyethanol nrog ethylene glycol (CAS 107-21-1), nrog 2-ethoxyethanol (CAS 110-80-5), lossis nrog cov propylene glycol ethers muaj kev nyab xeeb dua. Hauv cov ntaub ntawv tswj hwm, cov khoom raug txheeb xyuas los ntawm nws tus lej EC 203-713-7, thiab cov neeg yuav khoom yuav tsum txheeb xyuas qhov kev txwv tam sim no hauv khw muag khoom ua ntej xaj.
Cov lus nug nquag
Lwm lub npe rau 2-methoxyethanol yog dab tsi?Cov npe nrov tshaj plaws yog methyl cellosolve, ethylene glycol monomethyl ether, thiab EGME. CAS tus naj npawb 109-86-4 yog tus cim txhim khu kev qha.
Puas yog methyl cellosolve zoo ib yam li 2-methoxyethanol?Yog lawm. Methyl cellosolve yog lub npe lag luam keeb kwm rau 2-methoxyethanol, thiab ob lub npe xa mus rau tib lub tebchaw, CAS 109-86-4.
Puas yog 2-methoxyethanol txaus ntshai?Yog lawm. Nws yog ib qho kev ua me nyuam toxicant absorbed los ntawm daim tawv nqaij, thiab rov tshwm sim tuaj yeem ua rau cov pob txha thiab cov ntshav. Kev tswj hwm engineering nruj thiab PPE yog qhov yuav tsum tau ua.
Cov mis mos molecular ntawm 2-methoxyethanol yog dab tsi?Cov mis mos molecular yog C3H8O2, thiab qhov hnyav molecular yog 76.09 g / mol.
2-methoxyethanol puas tuaj yeem hloov tau los ntawm qhov hnyav dua?Hauv ntau daim ntawv thov, propylene glycol methyl ether lossis dipropylene glycol methyl ether tuaj yeem hloov nws tom qab kev hloov kho, muab cov kev daws teeb meem zoo sib xws nrog cov tshuaj toxicity qis dua.
Dab tsi yog qhov txawv ntawm 2-methoxyethanol thiab 2-ethoxyethanol?2-Methoxyethanol (CAS 109-86-4) muaj methoxy pawg thiab 2-ethoxyethanol (CAS 110-80-5) muaj ethoxy pawg. Ob leeg yog cov tshuaj lom glycol ethers, tab sis lawv yog cov khoom sib txawv nrog CAS tus lej sib txawv thiab yuav tsum tsis txhob hloov pauv.