CAS 127-18-4 Tetrachloroethylene, tseem hu ua perchlorethylenethiab cov ntawv luv xws li perc (lossis PERC), thiab PCE, yog chlorocarbon nrog cov mis Cl2C=CCl2. Nws yog volatile, non{3}}flammable, ruaj khov, tsis muaj xim thiab ntom kua siv dav siv rau qhuav tu ntawm fabrics thiab raws li ib tug hlau degreasing hnyav.
Perchlorethylene (PCE) CAS 127-18-4 - Khoom
Chemical thiab Physical Properties
Cov tshuaj formula: C₂Cl₄
Molecular Luj: 165.83 g / mol
Cov tsos mob: tsis muaj xim tsis muaj kua
tsw: Qab zib, ether-zoo li, pungent
Qhov ceev: 1.622 g / cm³ (hnyav dua dej)
Kub taw tes: 121℃(250℃F)
Vapor Pressure: 14 mmHg ntawm 25℃(qhia siab volatility)
Solubility:
Tsawg heev hauv dej: ~ 150 mg / L ntawm 25 degree
Miscible nrog feem ntau cov kuab tshuaj organic (cawv, ethers, roj).
Kev ruaj ntseg: ruaj khov nyob rau hauv ib txwm muaj tab sis tuaj yeem decompose nyob rau hauv cov cua kub lossis lub teeb kom tsim cov pa phem (phosgene, hydrogen chloride).
Perchlorethylene (PCE) CAS 127-18-4 - Siv
1.Tetrachloroethylene(PCE)yog siv dav, feem ntau yog siv los ua hlau degreasing hnyav, tab sis kuj siv los ua tshuaj tua kab. Tetrachlorethylene tuaj yeem siv los ua cov khoom siv roj, cov tshuaj tua hluav taws thiab cov pa luam yeeb, thiab tuaj yeem siv rau hauv kev sib txuas ntawm trichlorethylene thiab fluorinated organic compounds.
2. Perchlorethylene CAS 127-18-4 yog dav siv los ua ntuj thiab hluavtaws fiber ntau qhuav tu tus neeg sawv cev. Nws kuj yog siv los ua degreasing detergent rau hlau, hnyav hnyav thiab nruab nrab rau cov organic synthesis.
3. Siv raws li cov khoom siv rau kev soj ntsuam chromatographic.
4. Rau nplaum repellent, roj extraction tus neeg saib xyuas, kuj siv nyob rau hauv cov organic synthesis.
Perchlorethylene (PCE) CAS 127-18-4 - Kev nyab xeeb
1. Toxicity:Perchlorethylene (PCE)yog tshuaj lom. Ntev -lub sij hawm raug rau los yog nqus tau cov concentration ntawm tetrachlorethylene yuav cuam tshuam rau txoj kev ua pa, lub siab, ob lub raum, thiab lub hauv paus paj hlwb.
2. Flammability: Tetrachlorethylene yog cov nplaim hluav taws, thiab nws cov vapor tuaj yeem tsim cov khoom tawg. Kev tiv thaiv hluav taws tsim nyog yuav tsum tau ua thaum khaws cia thiab tuav tetrachloroethylene.
3. Kev cuam tshuam ib puag ncig: PCE muaj qee yam kev cuam tshuam ib puag ncig. Nws tuaj yeem nkag mus rau ib puag ncig los ntawm huab cua, dej, thiab av, thiab tuaj yeem ua rau muaj kev puas tsuaj rau cov dej hauv dej thiab cov ecosystem hauv av.
4. Kev Tiv Thaiv Kev Tiv Thaiv: Thaum siv lossis tuav cov tshuaj tetrachloroethylene, ua raws li cov txheej txheem kev nyab xeeb thiab tsis txhob cuam tshuam ncaj qha rau ntawm daim tawv nqaij thiab qhov muag. Hnav cov khoom tiv thaiv tsim nyog, xws li hnab looj tes, tsom iav kev nyab xeeb, thiab cov khoom tiv thaiv ua pa, yog tias tsim nyog.
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Peb tuaj yeem xa cov khoom ncaj qha mus rau koj qhov chaw nyob xa khoom, uas muaj kev nyab xeeb thiab ceev ceev. Peb muaj cov khoom npaj rau hauv Tshuag.
Peb teb sai thiab meej rau cov neeg siv khoom cov lus nug. Peb muab kev sov siab tom qab - kev muag khoom thiab yuav pab koj daws txhua yam teeb meem uas koj ntsib.
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