Dichloromethane (DCM), yog cov tshuaj chlorinated organic hnyav nrog CAS Tsis muaj . 75-09-2 thiab cov mis molecular CH₂Cl₂. Kab lus no piav qhia txog cov qauv, cov qauv molecular, lub cev thiab tshuaj lom neeg, kev xav txog kev nyab xeeb, thiab kev lag luam loj ntawm DCM hauv kev lag luam tshuaj, kev tsim tshuaj, kev rho tawm, thiab kev siv tshuaj ntxuav.
Dichloromethane (DCM) yog dab tsi?
Dichloromethane (DCM), tseem hu ua Methylene Chloride, yog chlorinated organic hnyav nrog cov tshuaj formula CH₂Cl₂ thiab CAS Number 75-09-2. Nws yog xim tsis muaj xim, tsis muaj kuab lom nrog cov ntxhiab tsw qab thiab zoo heev hnyav zog.
Vim nws qhov kub tsis tshua muaj kub, qhov ceev ceev evaporation, thiab muaj peev xwm yaj ntau yam ntawm cov organic tebchaw, DCM yog siv dav hauv kev tsim tshuaj, tshuaj, coatings, adhesives, electronics tu, extraction processes, thiab kuaj daim ntawv thov.
| Tshuaj npe | Dichloromethane |
| Lub Npe | Methylene Chloride |
| Cov ntawv luv | DCM |
| CAS Nr | 75-09-2 |
| Molecular Formula | CH₂Cl₂ |
| Molecular Luj | 84,93 g / mol |
| EINECS Number | 200-838-9 |
| UN Number | UN 1593 |
| HS Code | 29031200 |
Yam khoom:Muaj Qib Dichloromethane (DCM) / Methylene Chloride CAS 75-09-2 High-Purity Solvent
Dichloromethane Formula thiab Molecular Structure
Cov mis molecular ntawm dichloromethane yog: CH₂Cl₂
Nws molecule muaj xws li:
- Ib tug carbon atom (C)
- Ob lub atom hydrogen (H)
- Ob lub chlorine atoms (Cl)
Cov qauv qauv:
Cov pa roj carbon atom nyob rau hauv nruab nrab ntawm ib tug tetrahedral qauv, bonded rau ob hydrogen atoms thiab ob chlorine atoms.
Cov khoom ntawm Dichloromethane CAS 75-09-2
Lub cev muaj zog ntawm Dichloromethane
| Khoom | Tus nqi |
| Qhov tshwm sim | Ntshiab, xim tsis muaj kua |
| tsw | Qab zib, chloroform -zoo li |
| Molecular Luj | 84,93 g / mol |
| Ceev (20 degree) | 1.32-1.33g / cm³ |
| Melting Point | -97 degree |
| Boiling Point | 39.6-40 degree |
| Vapor Siab (25 degree) | Kwv yees li . 440 mmHg |
| Dej Solubility | Me ntsis soluble |
| Flash Point | Tsis yog -flammable nyob rau hauv ib txwm muaj |
| Dielectric tsis tu ncua | 9.1 |
| Refractive Index | 1.424 |
Cov yam ntxwv tseem ceeb ntawm DCM tshuaj
- Ceev ceev evaporation
- Tsawg kub taw tes
- Lub zog solvency zoo heev
- Siab volatility
- Cov kua dej hnyav (hnyav dua dej)
- Tsawg flammability piv nrog ntau cov kuab tshuaj hydrocarbon
Cov khoom no ua rau DCM (CAS 75-09-2) muaj txiaj ntsig zoo hauv kev lag luam tu, rho tawm, thiab tsim cov txheej txheem.
Chemical Properties ntawm DCM
Dichloromethane kua feem ntau ruaj khov nyob rau hauv cov txheej txheem cia.
Nws cov khoom tseem ceeb tshuaj muaj xws li:
- Zoo compatibility nrog ntau yam ntawm cov organic tshuaj
- Miscibility nrog ethanol, diethyl ether, acetone, thiab ntau yam chlorinated cov kuab tshuaj
- Tsawg solubility hauv dej
- Siab nkag siab zog
- Muaj peev xwm yaj resins, waxes, rog, roj, thiab polymers
Nyob rau hauv siab -kub los yog combustion tej yam kev mob, cov tshuaj dichloromethane yuav decompose, tso pa phem xws li hydrogen chloride thiab phosgene. Yog li ntawd, kev ua kom muaj cua txaus thiab ua raws li cov txheej txheem ua haujlwm tsim nyog yog qhov tseem ceeb.
Muaj Kev Siv Dichloromethane
CAS No.75-09-2 Dichloromethaneyog dav siv los ua ib qho hnyav hnyav thoob plaws ntau qhov chaw vim nws muaj zog tawg zog, ceev evaporation tus nqi, thiab siab extraction efficiency. Nws yog feem ntau ua hauj lwm nyob rau hauv cov tshuaj synthesis thiab purification txheej txheem, raws li zoo raws li nyob rau hauv chemical manufacturing, xim thiab txheej tshem tawm, hlau tu thiab degreasing, thiab cov extraction ntawm tej yam ntuj tso khoom xws li fragrances thiab flavorings.
1. Xim thiab txheej Removers
Dichloromethane tau ntev yog ib qho ntawm cov khoom xyaw zoo tshaj plaws hauv cov xim thiab txheej txheej tshem tawm. Nws feem ntau siv rau hauv kev lag luam xim stripping, deg kho tej yaam num, kho cov cuab yeej, thiab hlau nto kho cov txheej txheem uas yuav tsum tau siab -kev ua tau zoo stripping peev xwm.
2. Pharmaceutical Manufacturing
Vim nws muaj peev xwm ua kom yaj ntau yam sib txuas, methylene chloride yog dav siv los ua cov txheej txheem hnyav hauv kev tsim tshuaj. Nws yog feem ntau ua hauj lwm nyob rau hauv lub extraction ntawm active tshuaj cov khoom xyaw (APIs), raws li ib tug tshuaj solvent, nyob rau hauv purification txheej txheem, thiab nyob rau hauv zus tau tej cov tshuaj intermediates. Nws qhov tsis tshua muaj kub kub tso cai rau cov tuam txhab lag luam kom tshem tawm cov kuab tshuaj residual los ntawm cov khoom kawg.
3. Kev ua tshuaj lom neeg
Hauv kev lag luam tshuaj, DCM ua haujlwm raws li ob qho tib si cov txheej txheem hnyav thiab cov tshuaj nruab nrab hauv ntau yam kev tsim khoom. Ua tsaug rau nws cov yam ntxwv zoo solubility thiab kev ua tau zoo, nws nquag siv hauv kev tsim cov tshuaj agrochemicals, tshuaj tshwj xeeb, tshuaj zoo, thiab qee yam khoom siv polymer- ntsig txog.
4. Kev ntxuav hluav taws xob
Vim tias DCM kua evaporates sai thiab tawm tsawg kawg nkaus, nws yog siv rau hauv cov ntawv thov kev tu kom huv uas xav tau kev huv huv. Nws yog feem ntau siv rau degreasing thiab ntxuav cov hlau qhov chaw, nrog rau kev saib xyuas cov khoom siv hluav taws xob thiab khoom siv.
5. Extraction Solvent
Dichloromethane muaj nuj nqis heev raws li cov kuab tshuaj extraction vim nws lub peev xwm los sib cais thiab rov qab cov hom phiaj sib txuas los ntawm cov sib tov sib xyaw. Nws yog dav siv nyob rau hauv teb xws li cov khoom ntuj extraction, kev tsim cov flavors thiab fragrances, thiab purification ntawm tshwj xeeb tshuaj.
6. Cov ntawv thov kev sim
Nyob rau hauv kev tshawb fawb thiab kev soj ntsuam kuaj, dichloromethane hnyav yog ib qho ntawm feem ntau siv cov organic solvents vim nws versatility thiab muaj zog dissolving zog. Nws nquag ua haujlwm hauv cov ntawv thov xws li cov khoom siv sib xyaw ua ke, ua kua- kua extraction, chromatography, qauv npaj, thiab tshuaj chemistry.
Qhov zoo ntawm DCM piv nrog lwm cov kuab tshuaj
| Khoom | DCM (Dichloromethane) | Acetone | Ethyl Acetate | Toluene | IPA |
| CAS Nr. | 75-09-2 | 67-64-1 | 141-78-6 | 108-88-3 | 67-63-0 |
| Kub Point (degree) | 39.6 | 56.1 | 77.1 | 110.6 | 82.6 |
| Tus nqi evaporation | Ceev heev | Ceev ceev | Nruab nrab | qeeb | Nruab nrab |
| Solvency zog | Zoo heev | Zoo | Zoo | Zoo heev | Nruab nrab |
| Dej Solubility | Me ntsis | Ua kom tiav | Txwv tsis pub | Insoluble | Ua kom tiav |
| Qhov ceev (g / cm³) | 1.33 | 0.79 | 0.90 | 0.87 | 0.79 |
| Flammability | Tsis yog -flammable | Heev Flammable | Flamable | Heev Flammable | Flamable |
| Extraction efficiency | Zoo heev | Nruab nrab | Zoo | Nruab nrab | Tsawg |
| Residue Tom qab evaporation | Tsawg heev | Tsawg | Tsawg | Nruab nrab | Tsawg |
| Tej kev siv | Extraction, Pharmaceuticals, Xim Tshem Tawm, Ntxuav | Txheej, Ntxuav | Inks, Adhesives | Txheej, Tshuaj | Disinfection, ntxuav |
Vim li cas thiaj xaiv DCM hnyav?
Piv nrog rau ntau cov kuab tshuaj organic uas nquag siv, dichloromethane (DCM) muaj kev sib xyaw ua ke ntawm cov kuab tshuaj muaj zog, evaporation sai, qis boiling point, thiab tsis yog -flammable. Cov yam ntxwv no ua rau nws tshwj xeeb tshaj yog tsim rau kev ua tshuaj, tshuaj extraction, kev lag luam tu, xim stripping, thiab daim ntaub ntawv uas cov kuab tshuaj zoo rov qab thiab ceev kom qhuav yog qhov tseem ceeb.
Kev xav txog kev noj qab haus huv thiab kev nyab xeeb
Tej yam tshwm sim ntawm dichloromethane hnyav muaj xws li:
- Qhov muag khaus
- tawv nqaij khaus
- Central paj hlwb cuam tshuam los ntawm kev nqus cov pa siab
- Ua pa kab mob ua npaws
- Kev pheej hmoo ntawm kev noj qab haus huv cuam tshuam nrog kev raug mob mus ntev -
Pom zoo ntsuas kev nyab xeeb:
- Siv nyob rau hauv qhov chaw zoo -ventilated
- Hnav chemical- hnab looj tes tiv taus
- Hnav looj tsom iav dub
- Tsis txhob nqus pa
- Ua raws li cov lus qhia hauv Daim Ntawv Qhia Kev Nyab Xeeb (SDS/MSDS)
- Khaws kom deb ntawm qhov chaw sov thiab cov tshuaj tsis haum
Ntau lub teb chaws tau siv cov kev txwv rau qee cov neeg siv khoom siv ntawm dichloromethane (CAS No.75-09-2), tshwj xeeb tshaj yog hauv cov ntawv thov pleev xim. Kev lag luam thiab kev tshaj lij kev siv tseem tso cai, yog tias lawv tau ua raws li kev tswj hwm thiab ua raws li cov cai tswj hwm.
Related article: Puas yog cov tshuaj dichloromethane (CAS 75-09-2) txwv nyob rau hauv UK?
Xaus
Dichloromethane (methylene chloride)yog ib qho tseem ceeb chlorinated hnyav. Nws muaj qhov tshwj xeeb zoo -xws li kev daws teeb meem muaj zog, qhov kub tsis tshua muaj kub, tsis muaj zog sai, thiab kev siv dav dav hauv kev lag luam- ua rau nws tseem tsis tau muaj nyob hauv thaj chaw xws li kev tsim tshuaj, kev ua tshuaj, thiab kev rho tawm mus rau txheej txheej, hluav taws xob tu, thiab kev siv hauv chav kuaj.
Txawm hais tias lub koom haum tswj hwm tau nruj kev saib xyuas ntawm dichloromethane vim muaj kev txhawj xeeb txog kev noj qab haus huv, nws tseem yog ib qho tseem ceeb ntawm kev lag luam hnyav thaum ua raws li cov qauv kev nyab xeeb tsim nyog.
Nyem qhov no xa ib qho kev nug
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.
Tiv tauj peb:
Email:sales@gneebio.com
Lub Vev Xaib: https://www.gneebio.com/
