N-Methyl-2-pyrrolidone/CAS:872-50-4
Kev Piav Qhia Luv:
Lub npe khoom: N-Methyl-2-pyrrolidone
CAS: 872-50-4
MF:C5H9NO
MW: 99.13
QAUV:
Kev piav qhia
N-Methyl-2-pyrrolidone yog ib qho tshuaj aprotic solvent uas muaj ntau yam kev siv: kev ua cov petrochemical, kev pleev xim rau saum npoo, cov xim thiab cov khoom siv, cov tshuaj ntxuav hauv kev lag luam thiab hauv tsev, thiab cov tshuaj ua liaj ua teb thiab tshuaj. Nws feem ntau yog ib qho ua rau khaus, tab sis kuj tau ua rau muaj ntau tus neeg mob dermatitis hauv ib lub tuam txhab hluav taws xob me me.
cov lus qhia tshwj xeeb
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Qhov kub yaj | -24 °C (lit.) |
| Kub taw tes | 202 °C (lit.) 81-82 °C/10 mmHg (lit.) |
| Qhov Ceev | 1.028 g/mL ntawm 25 °C (lit.) |
| qhov ceev ntawm cov pa dej | 3.4 (piv rau huab cua) |
| siab ntawm cov pa dej | 0.29 hli Hg (20 °C) |
| refractive index | n20/Hnub 1.479 |
| Qhov taw tes kub hnyiab | 187 °F |
| cia kub. | Khaws cia ntawm +5°C txog +30°C. |
| kev yaj tau | ethanol: sib xyaw tau 0.1ML/mL, ntshiab, tsis muaj xim (10%, v/v) |
| pka | -0.41±0.20(Kwv yees) |
| Tsw tsw phem | Me ntsis tsw ntawm amine |
| Daim Ntawv | Kua |
Kev Siv
Siv
N-Methyl-2-pyrrolidone (NMP) yog cov kuab tshuaj aprotic polar uas muaj qhov zoo ntawm kev lom tsawg, kub siab, solvency zoo heev, xaiv tau zoo thiab ruaj khov zoo.
Nws yog dav siv rau hauv kev ntxuav cov aromatic hydrocarbon extraction, acetylene, olefins, thiab diolefins.
Nws yog siv rau hauv kev ntxuav kev lag luam, thiab nws ua haujlwm ua cov kuab tshuaj rau kev tsim cov tshuaj tua kab, cov yas engineering, cov tshuaj pleev xim, cov xov hluavtaws, thiab cov circuits sib xyaw.
Nws kuj tseem siv tau ua cov tshuaj ntxuav hauv kev lag luam, cov tshuaj dispersant, cov xim zas, cov roj nplua nyeem thiab cov tshuaj tiv thaiv kev khov.
N-Methyl-2-pyrrolidone yog ib qho tshuaj zoo heev, siv dav hauv kev rho tawm aromatics, lubricating roj refining, acetylene enrichment, butadiene sib cais thiab synthesis gas desulfurization.
Nws yog siv rau hauv roj desulfurization, lubricating roj refining, lubricating roj antifreeze, olefin extraction, thiab ua cov kuab tshuaj rau insoluble engineering plastics polymerization.
Nws siv tau rau hauv cov tshuaj tua kab, los ntxuav cov ntaub ntawv rwb thaiv tsev, cov cuab yeej siv precision industry semiconductor thiab circuit boards, los rov ua dua cov pa tawm PVC, ua cov tshuaj ntxuav tes, cov tshuaj ntxiv xim thiab cov neeg sawv cev dispersing.
Nws yog siv rau hauv cov khoom siv rau cov tshuaj tiv thaiv polymerization xws li cov yas engineering thiab aramid fiber.
N-Methyl-2-pyrrolidone yog siv los ua cov tshuaj polyvinylidene fluoride thiab cov khoom siv pabcuam electrode rau cov roj teeb lithium ion.
qib purity siab rau kev kuaj pom ICP-MS.
Rau kev tsim cov peptide.
Ntim thiab Xa Khoom
25KG / Nruas los yog raws li cov neeg siv khoom xav tau.
Yog cov khoom siv dav dav thiab tuaj yeem xa los ntawm dej hiav txwv thiab huab cua
Khaws cia thiab khaws cia
Lub neej txee: 24 lub hlis txij li hnub tsim khoom hauv cov ntim khoom tsis tau qhib khaws cia rau hauv qhov chaw txias thiab qhuav kom tsis txhob raug tshav ntuj ncaj qha, dej.
Lub tsev rau khoom muaj cua nkag, ziab kom qhuav kub tsawg, Sib cais ntawm cov tshuaj oxidants, cov kua qaub.
