| Chemical Properties |
kua tsis muaj xim |
| Chemical Properties |
1,2-Dichloroethylene muaj nyob rau hauv peb isomers, sym-, cis-60% thiab trans-40%. Muaj kev hloov pauv hauv toxicity ntawm ob hom no. Nyob rau hauv chav tsev kub, cov tshuaj no yog cov kua tsis muaj xim nrog ib tug me ntsis acrid, ethereal tsw. Cov ntxhiab tsw ntawm huab cua yog 17 ppm. sym-isomer: |
| Lub cev muaj zog |
Tsis muaj xim, kua nplaum nrog cov ntxhiab tsw qab ntxiag. Qhov nruab nrab ntawm cov ntxhiab tsw yog 17 ppm (siv, Amoore thiab Hautala, 1983). |
| Siv |
trans-1,2-Dichloroethylene yog siv rau hauv kev npaj cov kuab tshuaj thiab cov tshuaj tov tshuaj. Nws kuj ua raws li tus neeg sawv cev hluavtaws thiab cov khoom tseem ceeb ntawm cov tshuaj tsw qab. Tsis tas li ntawd, nws yog siv rau kev siv hluav taws xob tu, kev tu kom huv thiab kev ua haujlwm ntawm cov hlau. |
| Siv |
trans-1,2-Dichloroethylene tuaj yeem siv los ua tus qauv siv tshuaj ntsuam xyuas rau kev txiav txim siab ntawm cov tshuaj ntsuam xyuas hauv dej los ntawm cov pa roj chromatography (GC) raws li cov txheej txheem kev tshuaj ntsuam xyuas. |
| Siv |
Cov kuab tshuaj rau cov rog, phenol, camphor, thiab lwm yam. Intermediate hauv synthesis ntawm chlorinated cov kuab tshuaj thiab cov tebchaw. |
| Txhais |
ChEBI: 1,2-dichloroethene yog ib tug tswv cuab ntawm chloroethenes. |
| Kev piav qhia dav dav |
Ntshiab xim tsis muaj kua nrog ib tug qab ntxiag tsw. Flash point 43 degree F. |
| Cua & Dej Reactions |
Cov nplaim taws heev. Oxidizes hauv huab cua los tsim cov peroxides tsis ruaj khov uas tuaj yeem tawg tshwm sim. Insoluble hauv dej. |
| Reactivity Profile |
1,2-DICHLOROETHYLENE reacts nrog alkalis, difluoromethylene, dihypofluorite, thiab nitrogen tetraoxide. Kev sib cuag nrog cov khoom alkalis lossis lawv cov kev daws teeb meem yuav ua rau tsim cov chloroacetylene, uas ua rau cua sov. Tsis txhob sib cuag nrog tooj liab thiab tooj liab alloys. Corrosive rau hlau tshwj tsis yog tias muaj ib qho inhibitor ntxiv. Oxidation nyob rau hauv lub xub ntiag ntawm concentrated sulfuric acid los yog ib tug dawb radical pib muab chloroacetyl chloride ntawm epoxide intermediates. Incompatible nrog organic peroxides. |
| Hluav Taws Xob |
TRANS-1,2-DICHLOROETHYLENE yog nplaim taws. |
| Flammability thiab Explosibility |
Flamable |
| Kev ruaj ntseg Profile |
Muaj tshuaj lom los ntawm kev noj tshuaj. Mddly lom los ntawm inhalation. Tib neeg kev cuam tshuam los ntawm kev nqus pa: pw tsaug zog, hnov lus, thiab kev xav tsis meej. Kev sim ua kom muaj menyuam. Ib daim tawv nqaij thiab qhov muag irritant. Cov ntaub ntawv hloov pauv tau tshaj tawm. Kev ua kom muaj vapor concentration tuaj yeem ua rau xeev siab, ntuav, tsis muaj zog, tshee, thiab cramps. Kev rov qab los feem ntau yog tam sim tom qab tshem tawm ntawm qhov raug. Cov kab mob dermatitis tuaj yeem tshwm sim los ntawm kev ua txhaum ntawm daim tawv nqaij. Kev phom sij phom sij thaum raug tshav kub, nplaim taws, lossis oxidtzers. Kev puas tsuaj loj heev nyob rau hauv daim ntawv ntawm vapor thaum raug nplaim taws. Cov tshuaj tiv thaiv hnyav nrog difluoromethylene dihypofluorite. Tsim kev poob siab-rhiab heev tawg sib xyaw nrog dinitrogen tetraoxide. Cov tshuaj tiv thaiv nrog cov khoom caustic alkahes los yog lawv cov kev daws teeb meem ua rau cov roj chloracetylene ignites spontaneously hauv huab cua. Reacts hnyav nrog N2O4, KOH, Na, NaOH. Kev puas tsuaj loj heev nyob rau hauv daim ntawv ntawm vapor thaum raug nplaim taws. Nws tuaj yeem cuam tshuam nrog cov khoom siv oxidizing. Txhawm rau tua hluav taws, siv cov tshuaj tsuag dej, ua npuas dej, CO2, tshuaj qhuav. Thaum rhuab mus rau decomposition nws emits cov pa phem ntawm Cl-. Saib kuj chlorides; chlorinated HYDROCARBONS, ALIPHATIC; thiab ACETYLENE COMPOUNDS. |
| Ntxim yuav nphav raug |
Cov tsos mob tseem ceeb (w/o allergic reaction). 1,2-Dichloroethylene yog siv los ua cov kuab tshuaj rau waxes, resins, thiab acetylcellulose. Nws kuj yog siv rau hauv kev rho tawm cov roj hmab, ua cov tub yees; nyob rau hauv kev tsim tshuaj thiab khoom siv pearls; thiab hauv kev rho tawm cov roj thiab cov rog los ntawm cov ntses thiab nqaij. |
| Environmental txoj hmoo |
Av.Hauv cov khoom siv methanogenic aquifer, trans-1, 2-dichloroethylene biodegraded rau vinyl chloride (Wilson et al., 1986). Nyob rau hauv cov xwm txheej anoxic trans-1, 2-dichloroethylene, thaum raug cov kab mob hauv paus txawm nyob rau hauv cov av tsis huv, degraded rau vinyl chloride (Barrio-Lage li al., 1986). trans-1,2-Dichloroethylene pom qeeb mus rau nruab nrab degradation concomitant nrog tus nqi ntawm volatilization nyob rau hauv ib tug static-culture flask-screening test (settlement domestic wastewater inoculum) ua ntawm 25 degree . Ntawm qhov siab ntawm 5 thiab 10 mg / L, feem pua lossis tom qab 4 wk ntawm incubation yog 95 thiab 93, feem. Tus nqi poob vim yog volatilization yog 26 mus rau 33% tom qab 10 d (Tabak li al., 1981).
Tshuaj lom neeg.Heukelekian thiab Rand (1955) tau tshaj tawm txog 10-d BOD tus nqi ntawm 0.05 g / g uas yog 7.6% ntawm ThOD tus nqi ntawm 0.66 g / g.
Photolytic.Cov pa roj carbon monoxide, formic thiab hydrochloric acids tau tshaj tawm tias yog cov khoom siv photooxidation (Gay li al., 1976). |
| Kev xa khoom |
UN1150 Dichloroethylene, Hazard Class: 3; Cov ntawv lo: 3-Flammable kua. |
| Txoj Kev Purification |
Qhuav nws nrog MgSO4, thiab fractionally distil nws nyob rau hauv CO2. Fractional crystallisation ntawm qhov kub thiab txias kuj tau siv. [Beilstein 1 IV 709.] |
| Kev tsis sib haum xeeb |
Tej zaum yuav sib tov sib xyaw nrog cua. Tawm tsam qee yam yas, roj hmab, thiab txheej txheej. Tsis sib haum nrog oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, thiab lwm yam); kev sib cuag tej zaum yuav ua rau hluav taws kub los yog tawg. Khaws kom deb ntawm cov ntaub ntawv alkaline, muaj zog hauv paus, muaj zog acids, oxoacids, thiab epoxides. Maj mam decomposition ua rau hydrochloric acid tsim nyob rau hauv lub xub ntiag ntawm ultraviolet lub teeb los yog thaum sib cuag nrog kub hlau los yog lwm yam kub qhov chaw. Reacts nrog lub hauv paus muaj zog; poov tshuaj hydroxide; difluoromethylene, dihypofluoride, nitrogen tetroxide (explosive); los yog tooj liab (thiab nws cov alloys) ua cov tshuaj lom chloroacetylene uas yog spontaneously flammable ntawm kev sib cuag nrog huab cua. Tawm tsam qee qhov yas thiab txheej txheej. |
| Pov tseg pov tseg |
Incineration, nyiam dua tom qab sib tov nrog lwm cov roj combustible. Kev saib xyuas yuav tsum tau siv los ua kom tiav kev sib xyaw kom tsis txhob muaj cov phosgene. Cov kua qaub txhuam yog tsim nyog los tshem tawm cov halo acids tsim. 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 kev khaws cia, kev thauj mus los, kev kho, thiab kev pov tseg pov tseg. |
