N-Methyl-2-pyrrolidinone (NMP) Cas: 872-50-4
N-methylpyrrolidone, tsis muaj xim thiab pob tshab oily kua nrog me ntsis amine tsw.Soluble nrog dej, cawv, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon thiab castor roj.Tsawg volatility, zoo thermal stability thiab tshuaj stability, thiab muaj peev xwm evaporate nrog dej vapor.Muaj hygroscopicity.Sensitive rau lub teeb.
N-methylpyrrolidone yog dav siv nyob rau hauv lithium roj teeb, tshuaj, tshuaj tua kab, pigment, tu tus neeg saib xyuas, insulating khoom thiab lwm yam lag luam.
1. Suav lub npe: N-methyl pyrrolidone
2. English npe:N-Methyl pyrrolidone
3. Suav alias:NMP;1-methyl-2-pyrrolidone;N-methyl-2-pyrrolidone
CAS Nr .: 872-50-4
5. Sub-formula: C5H9NO
6. Cov lus piav qhia ntawm cov khoom: tsis muaj xim oily kua nrog me ntsis amine tsw.Soluble nrog dej, cawv, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon thiab castor roj.Tsawg volatility, zoo thermal stability thiab tshuaj stability, thiab muaj peev xwm evaporate nrog dej vapor.Muaj hygroscopicity.Sensitive rau lub teeb.
Qhov koob tshuaj nruab nrab ntawm tus neeg tuag (nas, qhov ncauj) yog 3.8mg / kg.
Qhov ceev: 1.028
Melting point: -24 c
Kub taw tes: 203 ℃, 81-82 ° C / 10 mmHg
Lub teeb taw tes: 91 ° C
Refractive index n20/D: 1.47
Kev tiv thaiv tshuaj lom
Me ntsis irritation rau ntawm daim tawv nqaij, tab sis tsis nqus.Vim tias qhov qis qis, qhov kev pheej hmoo ntawm ib qho inhalation tsawg heev.Txawm li cas los xij, kev cuam tshuam ntev tuaj yeem ua rau lub cev tsis ua haujlwm ntawm lub paj hlwb, ua rau cov kab mob ua pa, ob lub raum thiab vascular systems.Cov nas nqus cov khoom no vapor rau 2 teev ntawm qhov concentration ntawm 0.18 ~ 0.20mg / L, uas yuav ua rau mob me ntsis rau sab sauv thiab qhov muag.LD50 ntawm nas thiab nas yog 5200 mg / kg thiab 7900mg / kg raws li.Qhov siab tshaj plaws tso cai rau qhov chaw ua haujlwm yog 100mg / m3.Cov neeg ua haujlwm hauv chaw yuav tsum hnav lub qhov ncauj qhov ntswg, tsom iav thiab hnab looj tes.
Ntim, khaws cia thiab kev thauj mus los Cov khoom no tsis muaj zog hauv cov khoom siv tshuaj lom neeg thiab tsis muaj corrosion rau lwm cov hlau xws li carbon steel thiab aluminium tshwj tsis yog tooj liab.Nws tau ntim rau hauv galvanized hlau nruas, 50kg lossis 100kg ib lub nruas, thiab cov pob me me tau ntim rau hauv iav fwj kom tsis txhob muaj teeb pom kev zoo.Khaws thiab thauj khoom raws li kev cai lij choj tshuaj.
