| Chemical Properties |
tsis muaj xim thiab pob tshab kua. nrog cov yam ntxwv tsw. Soluble nyob rau hauv cov kuab tshuaj organic, miscible nrog dej thiab ethanol. |
| Siv |
4-Methylmorpholine yog cov kuab tshuaj zoo heev, emulsifier, corrosion inhibitor, Catalyst hauv polyurethane foamsextraction hnyav, stabilizing tus neeg sawv cev rau chlorinated hydrocarbons, thiab tseem tuaj yeem siv los ua tshuaj tua kab. 4-Methylmorpholine yog dav siv nyob rau hauv cov synthesis ntawm cov tshuaj tua kab xws li tshuaj tua kab, fungicide, cog kev loj hlob regulator, thiab lwm yam. Nws kuj yog siv nyob rau hauv lub synthesis ntawm zoo tshuaj xws li surfactant, lubricant coolant, hlau antirust agent, fiber ntau kho agent, lwm. |
| Siv |
4-Methylmorpholine yog siv los ua ib qho hnyav rau dyes, resins, waxes thiab pharmaceuticals. Nws ua raws li tus crosslinker hauv kev npaj ntawm polyurethane foams, elastomers thiab adhesives. Nws yog siv los ua tus thawj coj los npaj N-methylmorpholine N-oxide thiab morpholinium cation raws li ionic kua. Nws yog siv los ua corrosion inhibitors thiab anti-scaling agents hauv kev lag luam. |
| Kev npaj |
4-Methylmorpholine npaj txoj kev yog maj mam ntxiv formaldehyde hauv morpholine poob los ntawm kev poob, hauv qab nplawm ntxiv cov tshuaj tiv thaiv formic acid, tsis siv neeg reflux, thiab tso carbon dioxide. Tom qab ntxiv formic acid, cua sov reflux 4 ~ 5h, txias thiab ntxiv sodium hydroxide distillation tam sim ntawd, sau tag nrho cov feem ua ntej lub boiling point ntawm 99 degree, thiab ces ntxiv sodium hydroxide nyob rau hauv feem rau saturation, txias cov roj txheej, ziab, fractional. distillation, kom tau txais N-methylmorpholine. |
| Synthesis Reference (cov) |
Tetrahedron Letters, 36, p. 4881 Ib., 1995DOI: 10.1016/0040-4039(95)00875-D |
| Kev piav qhia dav dav |
Cov kua dej dawb nrog cov ntxhiab tsw zoo li ammonia. Tsawg dua dej thiab insoluble hauv dej. Flash point 75 degree F. Tej zaum yuav muaj mob me me los ntawm kev noj, nqus pa thiab nqus ntawm daim tawv nqaij. Heev irritating rau ntawm daim tawv nqaij, qhov muag, thiab mucous daim nyias nyias. Siv los ua cov kuab tshuaj thiab ua cov tshuaj. |
| Cua & Dej Reactions |
Cov nplaim taws heev. Insoluble hauv dej. |
| Reactivity Profile |
Amines yog cov khoom siv tshuaj. Lawv neutralize acids tsim cov ntsev ntxiv rau dej. Cov tshuaj tiv thaiv acid-base no yog exothermic. Tus nqi ntawm tshav kub uas hloov zuj zus mus rau ib mole ntawm amine nyob rau hauv ib tug neutralization yog feem ntau ywj siab ntawm lub zog ntawm amine raws li ib tug puag. Amines yuav tsis sib haum nrog isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, thiab acid halides. Flammable gaseous hydrogen yog tsim los ntawm amines ua ke nrog cov muaj zog txo cov neeg ua haujlwm, xws li hydrides. |
| Hazard |
Flammable, phom sij txaus ntshai. Cov tawv nqaij irri-tant. |
| Health Hazard |
Tej zaum yuav ua rau muaj tshuaj lom yog tias nqus tau los yog noj / nqos. Kev sib cuag nrog cov khoom yuav ua rau mob hnyav rau ntawm daim tawv nqaij thiab qhov muag. Hluav taws yuav ua rau khaus, corrosive thiab/los yog cov pa phem. Vapors tuaj yeem ua rau kiv taub hau lossis ua tsis taus pa. Cov dej ntws los ntawm kev tswj hluav taws kub lossis dej dilution tuaj yeem ua rau muaj kuab paug. |
| Hluav Taws Xob |
Flammable / combustible khoom. Tej zaum yuav ignited los ntawm tshav kub, sparks los yog nplaim taws. Cov vapors tuaj yeem tsim cov khoom tawg nrog cua. Vapors tuaj yeem mus rau qhov chaw ntawm qhov hluav taws kub thiab rov qab flash. Feem ntau cov vapors hnyav dua li huab cua. Lawv yuav kis tau mus rau hauv av thiab sau rau hauv qhov chaw qis lossis qhov chaw kaw (sewers, hauv qab daus, tanks). Vapor explosion txaus ntshai nyob hauv tsev, sab nraum zoov lossis hauv cov kav dej. Cov dej ntws mus rau hauv cov kav dej yuav ua rau muaj hluav taws kub lossis tawg. Cov thawv ntim khoom tuaj yeem tawg thaum cua sov. Cov kua dej ntau yog sib dua li dej. |
| Flammability thiab Explosibility |
Flamable |
| Kev ruaj ntseg Profile |
Muaj tshuaj lom los ntawm kev noj tshuaj thiab kev sib cuag ntawm daim tawv nqaij. Mob me me los ntawm kev nqus pa. Ib qho irritant rau ntawm daim tawv nqaij, qhov muag, thiab mucous daim nyias nyias. Flammable thaum raug tshav kub los yog nplaim taws, tuaj yeem hnov mob nrog cov ntaub ntawv oxidizing. Thaum rhuab mus rau decomposition nws emits cov pa phem ntawm NOx. |
| Txoj Kev Purification |
Qhuav nws los ntawm refluxing nrog BaO los yog sodium, ces fractionally distil nws los ntawm ib tug helices-packed kem. Lub picrate muaj m 227o, thiocyanate ntsev muaj m 103o (los ntawm butanone). [Hall J Phys Chem 60 63 1956, Beilstein 27 I 203, 27 III/IV 22.] |