| Kev piav qhia |
2-Nitropropane, tseem hu ua dimethylnitromethane los yog isonitropropane, yog ib qho tsis muaj xim, oily kua nrog ib tug me me thiab qab zib tsw. Cov nplaim hluav taws kub no yog soluble hauv dej thiab ntau yam organic solvents, suav nrog chloroform. Nws cov vapors tuaj yeem tsim qhov sib xyaw tawg thaum ua ke nrog huab cua. 2-Nitropropane ua hauj lwm raws li ib tug co-solvent nyob rau hauv cov xim formulations, txhim kho cov xim wetting, optimizing ndlwg zog, thiab pab txhawb kev ua electrostatic. Tsis tas li ntawd, nws ua rau lub sijhawm luv ntawm cov xim kom qhuav. |
| Chemical Properties |
2-Nitropropane, tseem hu ua 2-NP, yog ib qho aliphatic nitro compound uas zoo li cov kua tsis muaj xim, nplaim taws nrog cov ntxhiab tsw tsw qab. Nws tuaj yeem yaj hauv dej (1.7 mL / 100 mL ntawm 20C) thiab miscible nrog cov kuab tshuaj organic.
Zoo li lwm cov nitroalkanes, {{0}}nitropropane muaj nyob rau hauv qhov sib npaug nrog 2-propane nitronic acid (HSDB 1988). A 0.01 M aqueous tov ntawm 2-NP muaj pH ntawm 6.2. Thaum reacted nrog inorganic bases thiab amines, 2-nitropropane ua cov ntsev uas yog flammable thaum qhuav. Nws yog rhiab heev rau detonation thaum ua ke nrog oxidizers, thiab ib tug sib tov ntawm 2-nitropropane thiab ammonium nitrate ua hauj lwm ua explosives. |
| Lub cev muaj zog |
Tsis muaj xim, oily kua nrog ib tug me me, fruity tsw. 2-Nitropropane tau kuaj pom hauv ob txoj kev tshawb fawb ntawm qhov siab ntawm 3.1 thiab 5.2 ppmv(Crawford li al., 1984). |
| Siv |
2-Nitropropane feem ntau yog siv los ua cov kuab tshuaj rau cov organic compounds thiab coatings; nrog vinyl resins, epoxy xim, nitrocellulose, thiab chlorinated roj hmab; nyob rau hauv luam ntawv inks, adhesives, thiab printing li flexographic inks; kev saib xyuas nrog cov cim tsheb ntawm txoj kev thiab txoj kev loj; kev tsim nkoj; thiab kev saib xyuas dav dav. Nws tseem muaj kev txwv siv los ua cov xim thiab cov kua roj vanish tshem tawm. 2-Nitropropane kuj tseem siv los ua cov kuab tshuaj hauv kev lag luam ua zaub mov rau kev faib cov roj zaub ib nrab. |
| Txhais |
ChEBI: 2-nitropropane yog ib qho nitroalkane theem nrab uas yog propane uas hydrogen ntawm txoj hauj lwm 2 tau hloov los ntawm ib pab pawg nitro. Feem ntau yog siv los ua cov kuab tshuaj (bp 120 degree). Nws muaj lub luag haujlwm ua tus neeg saib xyuas hepatotoxic, tus neeg sawv cev carcinogenic, polar aprotic hnyav thiab xenobiotic. |
| Kev npaj |
Kev sib xyaw ntawm 2-nitropropane tuaj yeem ua tiav ncaj qha los ntawm nitration ntawm 2-halopropanes nrog sodium nitrite. Nrog 2-iodopropane, cov tshuaj tiv thaiv yog nqa tawm nyob rau hauv qhuav DMF nyob rau hauv lub xub ntiag ntawm urea. Rau qhov qeeb qeeb reacting 2-bromopropane, yuav tsum tau siv sij hawm ntev dua thiab muaj phloroglucinol raws li nitrite ester scavenger.
Zoo li 1-nitropropane, 2-nitropropane kuj yog tsim los ntawm vapor-phase nitration ntawm propane nrog nitric acid ntawm qhov kub thiab txias siab (Baker thiab Bollmeier 1978). |
| Kev piav qhia dav dav |
2-Nitropropane yog cov kua ntshiab, tsis muaj xim, nrog cov ntxhiab tsw qab uas yog soluble hauv ntau cov kuab tshuaj organic, suav nrog chloroform. Nws cov vapors tuaj yeem tsim qhov sib xyaw ua ke nrog huab cua. |
| Cua & Dej Reactions |
Cov nplaim taws heev. |
| Reactivity Profile |
2-Nitropropane yog rhiab rau cua sov. Muaj peev xwm hnov mob nrog amines / hnyav hlau oxides, muaj zog acids, muaj zog alkalis, thiab chlorosulfonic acid. . Lub tshav kub ntawm adsorption ntawm 2-Nitropropane ntawm cov pa roj carbon, xws li pom nyob rau hauv lub tshuab ua pa, yog siab heev. Cov hlau oxide catalysts, xws li tooj liab oxide los yog manganese oxide, tuaj yeem pib hluav taws kub, yog li ntawd cov pa roj carbon monoxide yuav tsum tsis txhob siv rau hauv ib puag ncig uas muaj vapor concentration ntawm 2-Nitropropane. |
| Health Hazard |
2-Nitropropane yog lub ntsws ua pa. Qhov cuam tshuam loj heev ntawm kev raug rau 2-nitropropane ntawm 20-45 ppm ntawm cov neeg ua haujlwm yog anorexia, xeev siab, ntuav, raws plab thiab mob taub hau loj occipital. Cov kab mob siab tau pom nyob rau hauv cov tsiaj uas raug rau 2-nitropropane los ntawm kev nqus pa. |
| Carcinogenicity |
2-Nitropropane tau muab cais los ntawm Lub Chaw Haujlwm Saib Xyuas Kev Tshawb Fawb Thoob Ntiaj Teb rau Cancer (IARC) raws li Pab Pawg 2B, tejzaum nws muaj carcinogenic rau tib neeg, raws li cov tsiaj tshawb fawb txuas nrog rau kev mob qog noj ntshav hauv nas.Cov carcinogenicity ntawm 2-nitropropane hauv tib neeg tsis raug tshuaj xyuas vim tsis muaj cov ntaub ntawv sib kis txaus txaus. |
| Environmental txoj hmoo |
Photolytic.Cov khoom uas xav tau los ntawm cov tshuaj tiv thaiv ntawm 2-nitropropane nrog ozone lossis OH radicals hauv huab cua yog formaldehyde thiab acetaldehyde (Cupitt, 1980). |
| Kev xa khoom |
UN2608 Nitropropanes, Hazard Class: 3; Cov ntawv lo: 3-Flammable kua. |
| Txoj Kev Purification |
Purify nws li nitromethane. [Beilstein 1 IV 230.] |
| Kev tshuaj ntsuam toxicity |
DNA puas tuaj yeem ua rau 2-NP metabolites xws li N-isopropyl hydroxylamine (IPHA) thiab hydroxylamine-O-sulfonic (HAS) acid los ntawm cov txheej txheem tsim cov pa oxygen uas tuaj yeem cuam tshuam los ntawm cov dawb hydroxyl radical scavengers, catalase, thiab deferoxamine. mesylate, tus neeg sawv cev hlau chelate. IPHA ua rau DNA puas ntawm thymine thiab HAS feem ntau induces DNA puas ntawm 5'-TG-3', 5'-GG-3', thiab 5' -GGG-3' sequences. Tsim los ntawm 8-oxodesoxyguanine los ntawm IPHA los yog HAS nce nyob rau hauv lub xub ntiag ntawm hlau ions.DNA kev puas tsuaj los ntawm 2-NP metabolites plays ib tug tseem ceeb luag hauj lwm nyob rau hauv mutagenicity thiab carcinogenicity ntawm 2-NP. Lub siab puas tsuaj los ntawm 2-NP cuam tshuam rau oxidative puas thiab txo cov catalase (CAT) kev ua. |
| Kev tsis sib haum xeeb |
1-Nitropropane, ib qho nitroparaffin compound, tsim cov khoom tawg nrog cua. Kev sib cuag nrog hnyav hlau oxides yuav ua rau decomposition. Kev sib xyaw nrog hydrocarbons yog cov nplaim taws heev. Tawm tsam qee yam yas, roj hmab thiab txheej txheej. Tej zaum yuav tawg ntawm cua sov. Cov tshuaj tiv thaiv hnyav nrog cov hauv paus muaj zog; muaj zog acids thiab hlau oxides. Kev poob siab-sensitive compounds yog tsim nrog acids, amines, inorganic bases thiab hnyav hlau oxides. Incompatible nrog muaj zog oxidizers, combustible cov ntaub ntawv. 2-Nitropropane reacts nrog activated carbon ua decomposition. Cov tshuaj tiv thaiv no yuav tshwm sim hauv cov tshuab ua pa ua pa. |
| Pov tseg pov tseg |
Incineration: Cov khoom siv ntau yuav xav tau kev tshem tawm nitrogen oxide los ntawm cov txheej txheem catalytic los yog txhuam. Dilute nrog ntshiab kerosene thiab hlawv nrog kev saib xyuas raws li nws muaj peev xwm tawg tau. Tham nrog cov koom haum tswj hwm ib puag ncig rau kev taw qhia txog kev coj ua pov tseg. Lub tshuab hluav taws xob ntawm cov khoom pov tseg uas muaj cov kab mob no (Ntau dua lossis sib npaug li 100 kg / mo) yuav tsum ua raws li EPA cov cai tswj hwm kev khaws cia, kev thauj mus los, kev kho, thiab kev pov tseg pov tseg. |
