Khoom Taw qhia
| Tetrachlorethylene Cov ntaub ntawv yooj yim |
| Cov khoom siv tshuaj lom neeg siv cov ntaub ntawv siv |
| Khoom npe: | Tetrachlorethylene |
| Synonyms: | Tetrachloroethylene, 99+%, rau HPLC; TETRACHLOROETHYLENE EMPLURA 190 L; TETRACHLOROETHYLENE EMPLURA 25 L; TETRACHLOROETHYLENE EMPLURA 1 L; TETRACHLOROETHYLENE FOR thy SPECTROSCOPY 1 EMPLURA 25 L; te, tetrachloro-; Tetrachloroethylene, 99%, SpcDry, Dej tsawg dua lossis sib npaug li 50 ppM (los ntawm KF), SpcSeal |
| CAS: | 127-18-4 |
| MF: | C2Cl4 |
| MW: | 165.83 |
| EINECS: | 204-825-9 |
| Khoom Categories: | ACS thiab Reagent Grade Solvents; ACS Qib; ACS Qib Solvents; Amber Iav Fwj; Lub raj mis hnyav; Cov kuab tshuaj los ntawm daim ntawv thov; Organics; Kev Tshuaj Ntsuam Xyuas Chemistry; Kev daws teeb meem ntawm Volatile Organic Compounds rau Dej & Av Kev Ntsuam Xyuas; Standard Solutions (VOC); Cov Kev Xaiv Ntim Ntim Cov kuab tshuaj; Cov kuab tshuaj tsis muaj dej; Muaj tseeb / Foob Fwj; Alkenyl; Lub Tsev Blocks; Tshuaj Synthesis; Halogenated Hydrocarbons; NMR; Organic Building Blocks; Spectrophotometric Qib; Spectrophotometric Solvents; Spectrophotometric Solvents (IR; UV / Vis; Infrared); IR Solvents; IR Spectroscopy Solvents; Analytical Reagents; Analytical/Chromatography; Greener Solvent Alternatives; Kuaj los ntawm Hom; Spectroscopy; 127-18-4; Elisa Kit-Mouse Elisa Kit |
| Mol File: | 127-18-4.mol |
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| Tetrachlorethylene Chemical Properties |
| Melting point | -22 degree (lit.) |
| Boiling point | 121 degree (lit.) |
| ceev | 1.623 g / mL ntawm 25 degree (lit.) |
| vapor ceev | 5.83 (vs huab cua) |
| vapor siab | 13 hli Hg (20 degree) |
| Refractive Index | n20/D 1.505 (lit.) |
| Fp | 120-121 degree |
| cia temp. | Khaws ntawm +2 degree rau +25 degree . |
| solubility | dej: soluble 0.15g/L ntawm 25 degree |
| daim ntawv | Ua kua |
| xim | APHA: Tsawg dua lossis sib npaug rau 10 |
| tsw | chloroform zoo li tsw |
| Ntsig qhov pib | 0.77ppm |
| Dej Solubility | Miscible nrog cawv, ether, chloroform, benzene thiab hexane. Me ntsis miscible nrog dej. |
| FreezingPoint | {0}}.0 degree |
| lw max | λ: 290 nm Amax: 1.00 λ: 295 nm Amax: 0.30 λ: 300 nm Amax: Tsawg dua lossis sib npaug rau 0.20 λ: 305 nm Amax: 0.10 λ: 350 nm Amax: 0.05 λ: 400 nm Amax: 0.03 |
| Merck | 14,9190 |
| BRN | 1361721 |
| Henry's Law Constant | 4.97 ntawm 1.8 degree, 15.5 ntawm 21.6 degree, 34.2 ntawm 40. , Shimotori thiab Arnold, 2003) |
| Kev txwv tsis pub dhau | TLV-TWA 50 ppm ({2}} mg/m3) (ACGIH), 100 ppm (MSHA thiab OSHA); TLV-STEL 200 ppm (ACGIH); carcinogenicity: Tsiaj txwv pov thawj. |
| Dielectric tsis tu ncua | 2.5 (21 degree) |
| Kev ruaj ntseg: | ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev, alkali hlau, aluminium, muaj zog puag. |
| LogP | 2.53 ntawm 20 degree |
| CAS DataBase Reference | 127-18-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Tetrachloroethylene (127-18-4) |
| IARC | 2A (Vol. Sup 7, 63, 106) 2014 |
| EPA Tshuaj Registry System | Tetrachlorethylene (127-18-4) |
| Cov ntaub ntawv kev nyab xeeb |
| Hazard Codes | Xn, N, T, F |
| Risk Statements | 40-51/53-23/25-11-39/23/24/25-23/24/25 |
| Cov lus hais txog kev nyab xeeb | 23-36/37-61-45-24-16-7 |
| RIDADR | UN 1897 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | KX3850000 |
| Autoignition Kub | 260 degree |
| TSCA | Yog lawm |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29032300 |
| Cov Ntaub Ntawv Muaj Xwm Ceev | 127-18-4(Cov ntaub ntawv muaj phom sij) |
| Toxicity | LD50 qhov ncauj hauv nas: 8.85 g / kg (Dybing); LC rau cov nas hauv huab cua: 5925 ppm (Lazarew) |
| IDLA | 150 ppm ib |
| MSDS Cov Ntaub Ntawv |
| Tus kws kho mob | Lus |
|---|---|
| Perchlorethylene | Lus Askiv |
| SigmaAldrich | Lus Askiv |
| ACROS | Lus Askiv |
| ALFA | Lus Askiv |
| Tetrachlorethylene Siv thiab Synthesis |
| Kev piav qhia | Tetrachlorethylene (cov tshuaj formula Cl2C=CCl2) yog chlorinate hydrocarbon siv los ua cov kuab tshuaj thiab cov kua txias hauv cov hluav taws xob transformers. Nws yog xim tsis muaj xim, volatile, nonflammable kua nrog ib qho tsw zoo li ether. Qhov tseem ceeb ntawm tetrachlorethylene yog tsim los ntawm kub chlorinolysis ntawm lub teeb hydrocarbons. Tetrachlorethylene yog ib qho hnyav heev rau cov khoom siv organic. Nws yog volatile, ruaj khov heev, thiab nonflammable, thiab yog li tau dav siv nyob rau hauv qhuav tu. Nws kuj tseem siv tau los degrease hlau qhov chaw hauv tsheb thiab lwm yam kev lag luam hlau thaum sib xyaw nrog lwm cov chlorocarbons. Nws kuj tseem siv tau rau hauv neutrino detectors. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias nws yog qhov muaj peev xwm carcinogen. |
| Chemical Properties | Tetrachlorethylene yog ib qho ntshiab, tsis muaj xim, volatile, nonflammable kua nrog ib tug ethereal tsw. Insoluble hauv dej. Vapors hnyav dua li huab cua. Qhov ceev kwv yees li 13.5 lb / gal. Siv los ua cov kuab tshuaj ntxuav kom qhuav, degreasing hnyav, tus neeg sawv cev ziab rau cov hlau, thiab hauv kev tsim khoom ntawm lwm yam tshuaj. |
| Siv | Tetrachlorethylene (PCE) tseem hu ua perchloroethylene, tetrachloroethene, thiab 1,1,2,2- tetrachloroethene thiab feem ntau yog luv rau PER lossis PERC. Tetrachlorethylene yog ib qho tsis muaj zog, chlorinated organic hydrocarbon uas yog dav siv los ua cov kuab tshuaj nyob rau hauv qhuav-tu thiab textile-processing industries thiab ua tus neeg sawv cev rau degreasing hlau qhov chaw. Nws yog ib qho kab mob ib puag ncig uas tau kuaj pom hauv huab cua, dej hauv av, dej saum npoo av, thiab av (NRC, 2010). |
| Cov ntaub ntawv | https://en.wikipedia.org/wiki/Tetrachloroethylene https://pubchem.ncbi.nlm.nih.gov/compound/tetrachloroethylene#section=Top |
| Kev piav qhia | Perchlorethylene (Tetrachloroethylene) yog cov kua tsis muaj xim uas muaj ntxhiab tsw ntxhiab me ntsis. Nws yog marginally soluble nyob rau hauv dej thiab soluble nyob rau hauv feem ntau cov organic solvents.Perchloroethylene muaj ib tug tsawg tus naj npawb ntawm kev siv thiab kev siv. Nws yog siv los ua qhov nruab nrab, ua tus neeg saib xyuas qhuav hauv kev lag luam thiab kev tshaj lij, ua tus neeg saib xyuas qhov chaw nyob hauv chaw tsim khoom, xws li hloov hluav taws xob nruab nrab hauv chaw tsim khoom, thiab hauv kev tu zaj duab xis thiab luam tawm los ntawm cov kws tshaj lij. Nws kuj yog siv los ua cov tshuaj nruab nrab hauv kev tsim cov fluorinated compounds thiab hauv kev lag luam nto ntxuav hlau degreasing. Kev ua haujlwm raug rau perchlorethylene yog ua tau nyob rau hauv cov chaw tsim khoom lossis cov chaw tsim khoom uas nws siv los ua ib qho nruab nrab. |
| Chemical Properties | Tetrachlorethylene yog cov kua ntshiab, tsis muaj xim, tsis muaj nplaim taws nrog cov yam ntxwv tsw. Cov ntxhiab tsw yog pom tau @ 47 ppm, txawm hais tias tom qab lub sijhawm luv luv nws tuaj yeem ua tsis pom tseeb, yog li dhau los ua qhov tsis txaus ntseeg ceeb toom. Lub Hwj Chim Hwjchim muaj ntau yam muab raws li 5 ppm rau 6.17 (3M). |
| Lub cev muaj zog | Ntshiab, tsis muaj xim, tsis muaj kuab paug nrog cov chloroform lossis qab zib, ethereal tsw. Cov ntxhiab tsw qhov pib concentration yog 4.68 ppmv(Leonardos li al., 1969). Qhov nruab nrab qhov tsawg tshaj plaws ntawm cov ntxhiab tsw qhov chaw nyob hauv dej ntawm 6 0 degree thiab hauv huab cua ntawm 40 degree yog 0.24 thiab 2.8 mg / L, raws li (Alexander li al., 1982). |
| Siv | Tetrachlorethylene yog siv los ua cov kuab tshuaj, indrycleaning, thiab hauv cov hlau degreasing.Tetrachloroethylene yog cov khoom hnyav uas feem ntau pom muaj cov kab mob hauv av. Tetrachlorethylene kuj yog ib qho kev xav tias carcinogen rau tib neeg thiab yog ib qho nyuaj rau degrade biologically vim nws tsis muaj natural source. Cov tshuaj no yog cov kab mob sib kis ntawm kev txhawj xeeb tshwm sim (CECs). |
| Txoj kev tsim khoom | Tetrachlorethylene (PCE) tau npaj thawj zaug hauv xyoo 1821 thiab kev tsim khoom lag luam hauv Tebchaws Meskas tau pib xyoo 1925. Ntau qib kev lag luam muaj ntau qhov sib txawv ntawm tus nqi thiab hom tshuaj ntxiv stabilizers (xws li amines, phenols, thiab epoxides). Cov txheej txheem kev lag luam rau kev tsim cov tetrachlorethylene suav nrog peb txoj hauv kev: (1) chlorination ntawm trichlorethylene thiab ua raws li dehydrochlorination. (2) oxychlorination ntawm ethylene. (3) chlorination thiab pyrolysis ntawm lub teeb hydrocarbon. Nyob rau hauv Suav teb, chlorination ntawm trichlorethylene thiab dehydrochlorination txheej txheem yog tsuas yog siv rau zus tau tej cov tetrachloroethylene, thaum lwm yam ob txheej txheem yog dav siv nyob rau hauv lwm lub teb chaws. |
| Txhais | ChEBI: Ib qho chlorocarbon uas yog tetrachloro hloov ethene. |
| Synthesis Reference (cov) | Phau ntawv Journal of the American Chemical Society, 90, p. 5307, 1968 ibDOI:10.1021/ja01021a065 |
| Kev piav qhia dav dav | Tetrachlorethylene (perchloroethylene, PCE), yog cov tshuaj chlorinated ethylene feem ntau siv los ua kom qhuav thiab degreasing hnyav. Nws qhia tau hais tias IR pob tshab vim nws tsis muaj C-H daim ntawv cog lus ua rau nws qhov hnyav zoo tshaj plaws rau IR spectroscopy. PCE yog tib neeg tsim cov pa phem uas nyuaj rau degrade. Nws yog cov dej tsis huv hauv av uas cuam tshuam rau tib neeg kev noj qab haus huv vim nws muaj peev xwm toxicity thiab carcinogenicity. Qee txoj hauv kev tau thov rau nws qhov degradation yog Fenton oxidation kev kho mob, txo qis dehalogenation nyob rau hauv methanogenic mob, thiab txo qis siv xoom valent hlau ions. Ib txoj hauv kev qhia rau nws cov synthesis yog los ntawm ethylene dichloride thiab chlorine. |
| Cua & Dej Reactions | Insoluble hauv dej. |
| Reactivity Profile | Tetrachlorethylene decomposes raws li cua sov thiab raug rau UV teeb muab phosgene thiab HCl. Reacts nruj nrog finely dispersed lub teeb hlau (aluminium) thiab zinc. [Kev Siv Tshuaj Tiv Thaiv Kev Nyab Xeeb 1980 p. 887] ib. Cov khoom sib xyaw ua ke nrog cov khoom sib xyaw ua kom zoo nkauj barium lossis lithium hlau tuaj yeem ua rau tawg [ASESB Pot. Incid. 39. 1968; Chem. Eng. Xov Xwm 46(9:38). 1968] ib. Decomposes qeeb heev hauv dej los tsim trichloroacetic acid thiab hydrochloric acid |
| Health Hazard | Kev cuam tshuam rau tetrachlorethylene tuaj yeem ua rau mob taub hau, kiv taub hau, tsaug zog, tsis sib haum xeeb, khaus ntawm qhov muag, qhov ntswg, thiab caj pas, thiab yaug caj dab thiab ntsej muag. Kev cuam tshuam rau highconcentrations tuaj yeem tsim cov teebmeem narcotic.Lub hom phiaj tseem ceeb ntawm lub cev yog lub hauv nruab nrab paj hlwb, mucous daim nyias nyias, qhov muag, thiab tawv nqaij. Lub raum, lub siab, thiab lub ntsws raug cuam tshuam rau qhov tsawg dua. Cov tsos mob ntawm kev nyuaj siab ntawm lub hauv nruab nrab lub paj hlwb yog tshwm sim nyob rau hauv tib neeg los ntawm kev rov ua dua expo kom paub meej txog 200 ppm rau 7 teev / hnub. Chronicexposure rau concentrations xws li los ntawm 200 mus rau 1600 ppm ua rau tsaug zog, kev nyuaj siab, thiab o ntawm lub raum thiab daim siab inrats thiab guinea npua. Ib 4-teev raug rau 4000 ppm ntawm cov pa hauv huab cua tau ua rau nas tuag. Kev noj cov tshuaj tetrachlorethylene tuaj yeem ua rau muaj kev phom sij xws li xeev siab thiab ntuav mus rau somnolence, tshee, thiab ataxia.Lub qhov ncauj toxicity yog tsawg, txawm li cas los xij, nrog LD50ranging ntawm 3000 thiab 9000 mg / kg tsiaj. Cov tawv nqaij sib cuag nrog cov kua yuav ua rau defatting thiab dermatitis ntawm daim tawv nqaij. Cov pov thawj ntawm carcinogenicity ntawm no com phaus tau raug sau tseg nyob rau hauv cov tsiaj sim subjected rau inhalation los yog qhov ncauj tswj. Nws ua rau cov qog nqaij hlav hauv cov ntshav, lub siab, thiab lub raum hauv nas thiab nas. Carcinogenicity nyob rau hauv humansis tsis qhia. |
| Hluav Taws Xob | Kev phom sij tshwj xeeb ntawm Cov Khoom Siv Hluav Taws Xob: Cov pa phem, cov pa hluav taws xob tuaj yeem tsim tawm hauv hluav taws. |
| Flammability thiab Explosibility | Tsis yog nplaim taws |
| Biochem/physiol Actions | Tsiaj carcinogen uas ua rau muaj qhov tshwm sim ntawm lub raum adenomas, adenocarcinomas, mononuclear cell leukemia, thiab qog nqaij hlav hepatocellular. |
| Kev ruaj ntseg Profile | Tetrachlorethylene yog cov kua uas tsis muaj xim tsis muaj nplaim nrog cov ntxhiab tsw qab. Tetrachlorethylene yog dav siv rau qhuav-tu ntaub thiab hlau degreasing hauj lwm. Cov teebmeem tshwm sim los ntawm qhov mob hnyav (lub sijhawm luv luv) kev nqus tau siab ntawm tib neeg rau tetrachlorethylene suav nrog kev ua pa ntawm lub ntsws sab sauv thiab qhov muag, lub raum tsis ua haujlwm, thiab cov teebmeem ntawm lub paj hlwb xws li kev hloov pauv ntawm lub siab thiab kev coj cwj pwm, kev tsis sib haum xeeb, kiv taub hau, mob taub hau, tsaug zog. , thiab tsis nco qab. Cov teebmeem tseem ceeb los ntawm kev ua pa ntev ntev (ntev) kev nqus pa yog cov paj hlwb, nrog rau kev paub tsis meej thiab lub cev muaj zog neurobehavioral kev ua haujlwm. Kev raug Tetrachlorethylene kuj tseem tuaj yeem ua rau muaj kev cuam tshuam tsis zoo hauv lub raum, daim siab, lub cev tiv thaiv kab mob thiab hematologic, thiab ntawm kev loj hlob thiab kev loj hlob. Cov kev tshawb fawb ntawm cov neeg raug nthuav tawm hauv chaw ua haujlwm tau pom muaj kev koom tes nrog ntau hom mob qog noj ntshav nrog rau mob qog noj ntshav, mob qog nqaij hlav tsis yog Hodgkin, ntau yam myeloma. Teb Chaws Asmeskas EPA tau faib cov tetrachlorethylene zoo li yuav ua rau mob qog noj ntshav rau tib neeg. |
| Ntxim yuav nphav raug | Tetrachlorethylene yog siv nyob rau hauv kev lag luam textile thiab raws li ib tug tshuaj intermediate los yog ib tug heatexchange kua; cov kuab tshuaj siv dav nrog kev siv tshwj xeeb ua cov tshuaj ntxuav kom qhuav; ib tug degreaser; ib tug fumigant, thiab kho mob raws li ib tug anthelmintic. |
| Carcinogenicity | Tetrachlorethylene yog qhov tsim nyog xav tias yuav yog tib neeg carcinogen raws li cov pov thawj txaus ntawm carcinogenicity los ntawm kev tshawb fawb hauv cov tsiaj sim. |
| Kev xa khoom | UN1897 Tetrachloroethylene, Hazard Class: 6.1; Cov ntawv lo: 6.1-Cov khoom muaj kuab lom. |
| Txoj kev Purification | Nws decomposes nyob rau hauv cov xwm txheej zoo sib xws rau CHCl3, muab phosgene thiab trichloroacetic acid. Inhibitors ntawm cov tshuaj tiv thaiv no suav nrog EtOH, diethyl ether thiab thymol (zoo ntawm 2-5ppm). Tetrachlorethylene yuav tsum tau distilled nyob rau hauv lub tshuab nqus tsev (kom tsis txhob muaj phosgene tsim) thiab khaws cia nyob rau hauv qhov tsaus ntuj nti tawm ntawm kev sib cuag nrog huab cua. Nws tuaj yeem ua kom huv los ntawm kev ntxuav nrog 2M HCl kom txog thaum lub sijhawm aqueous tsis muaj xim, tom qab ntawd nrog dej, ziab nrog Na2CO3, Na2SO4, CaCl2 lossis P2O5, thiab fractionally distilling ua ntej siv. 1,1,{12}}Trichloroethane thiab 1,1,1,2-tetrachloroethane tuaj yeem raug tshem tawm los ntawm kev rho tawm tam sim no nrog EtOH / dej. [Beilstein 1 IV 715.] |
| Kev tsis sib haum xeeb | Cov tshuaj tiv thaiv hnyav nrog cov muaj zog oxidizers; hmoov, tshuaj lom neeg hlau, xws li txhuas, lithium, beryllium, thiab barium; caustic dej qab zib; sodium hydroxide; potash. Tetrachlorethylene yog qhov ruaj khov heev. Txawm li cas los xij, nws cuam tshuam hnyav nrog cov concentrated nitric acid kom muab carbon dioxide ua cov khoom tseem ceeb. Maj mam decomposes ntawm kev sib cuag nrog noo noo tsim trichloroacetic acid thiab hydrochloric acid. Decomposes nyob rau hauv UV teeb thiab kub tshaj 150 degree, tsim hydrochloric acid thiab phosgene. |
| Pov tseg pov tseg | 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. 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. Xwb, PCE tuaj yeem rov qab los ntawm cov pa khib nyiab thiab rov siv dua. |
| Tetrachlorethylene Kev Npaj Cov Khoom Siv Thiab Cov Khoom Raw |
| Cov khoom siv raw | Chlorine-->1,2-Dichloroethane-->Trichloroethylene-->1,1,2,2-TETRACHLOROETHANE-D2-->PENTACHLOROETHANE-->2,3-DICHLORO-1-PROPANOL-->1,3-Dichloro-2-propanol-->Glycerol |
| Cov khoom npaj | Carbon tetrachloride-->Trichloroethylene-->Cleaning agent-->Trichloroacetic acid-->4-Aminophenylarsonic acid-->Ambroxol-->Hexachloroethane-->Trichloroacetyl chloride-->Sodium N-cyclohexylsulfamate-->FLUOROACETAMIDE-->1,1,1,2,2,3,3-HEPTACHLOROPROPANE-->PHOSGENE-->Pentafluoroethane-->1,2,3,6,7,8-HEXACHLORODIBENZO-P-DIOXIN-->1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN |
Cim npe nrov: Tuam Tshoj perchlorethylene manufacturers, lwm tus neeg, Hoobkas
Tug: 3-Methoxy-1-propanol
Tom ntej: Hexafluoropropylene
Koj Tseem Yuav Zoo Li
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