Dichloromethane yog cov kua dej tsis muaj zog, ntshiab, thiab tsis muaj xim uas muaj ntxhiab tsw zoo li chloroform. Nws yog ib qho tseem ceeb ntawm kev lag luam hnyav txij li xyoo 1940s. Dichloromethane DCM kuj feem ntau hu ua methylene chloride thiab DCM.
Cov khoom ntawm DCM Dichloromethane koj yuav tsum paub.
- Molecular Luj: 84.93 g·mol-1
- Melting point: -96.7 ° C
- Viscosity: 0.43 cP (20 degree)
- Solubility hauv dej: 17.5 g / L (25 degree)
- Qhov ceev: 1.3266 g / cm3
- Kub taw tes ntawm CH2C12: 39.6 degree
- Flash Point: Tsis yog -flammable
- evaporation tus nqi: siab
- Vapor Siab: 47.3 kPa @ 20 degree
- Dielectric tsis tu ncua: 9.1
- Biodegradability: Ib nrab
Kev Siv Tshuaj Siv Tshuaj Dichloromethane
Dichloromethane yog siv los txhuam cov xim thiab tshem tawm cov kua roj vanish.Nws kuj tau siv los ua tus neeg sawv cev hloov pauv urethane tshuab, hauv cov tshuaj aerosol, ua cov kuab tshuaj hauv kev tsim tshuaj thiab cov yeeb yaj kiab, thiab ua ib qho nruab nrab extraction (siv hauv kev lag luam zaub mov kom tshem tawm cov txuj lom, caffeine, thiab hops). tub yees.
Kev phom sij
Mob toxicity: Kev nqus tau siab ntawm dichloromethane tuaj yeem ua rau muaj kev cuam tshuam tsis zoo ntawm lub hauv nruab nrab lub paj hlwb, nrog rau kev tsis pom kev, kev hnov lus, thiab kev xav ntawm lub hlwb. Siab -qib kis tau tuaj yeem ua rau tuag taus.
Mob toxicity: Ntev-ntev ntev tuaj yeem cuam tshuam rau hauv nruab nrab lub paj hlwb, ua rau cov tsos mob xws li mob taub hau, kiv taub hau, xeev siab, thiab tsis nco qab, thiab tseem tuaj yeem ua rau lub siab toxicity. US Environmental Protection Agency (EPA) faib cov dichloromethane ua ib tug neeg muaj peev xwm carcinogen.
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Cov neeg siv khoom tuaj ua ntej. Peb muab siab - cov khoom zoo ntawm tus nqi tsim nyog thiab xyuas kom meej cov khoom xa tuaj sai.
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.
Peb xa tshwj xeeb zoo thiab kev pabcuam ntawm tus nqi sib tw.
Nyem qhov no xa ib qho kev nug
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Peb lub tuam txhab
Gneebioyog cov kws tshaj lij cov khoom siv raw khoom nyob hauv Henan Xeev, Suav. Peb tau dhau daim ntawv pov thawj kev ua haujlwm zoo thiab muaj tus kheej - tswj cov cai ntshuam thiab xa tawm. Peb cov khoom yog nrov nrog cov neeg siv khoom. Raws li tus neeg xa khoom thoob ntiaj teb, peb xa cov ntaub ntawv pov thawj tshuaj raw khoom uas ua raws li REACH, RoHS, ISO thiab lwm yam qauv thoob ntiaj teb. Peb lub peev xwm ntau lawm txhua hli ua kom zoo ib yam thiab muaj kev ntseeg siab rau kev txiav txim ntau.
