Tom ntej: Dichloromethane CAS 75-09-2, tseem hu ua Methylene Chloride, yog ib qho kev ua haujlwm siab - chlorinated hnyav siv dav hauv kev tsim tshuaj, tshuaj synthesis, xim stripping, hlau tu, nplaum, coatings, thiab electronics ntau lawm.
Nrog cov kuab tshuaj zoo heev, evaporation sai, tsis tshua muaj boiling point, thiab muaj zog tu kev ua tau zoo, DCM tseem yog ib qho tseem ceeb tshaj plaws kev lag luam hnyav thoob ntiaj teb.
Dichloromethane (DCM) CAS 75-09-2 yog dab tsi?
Dichloromethane DCM, tseem hu ua methylene chloride yog cov tsis muaj xim, tsis muaj kuab lom nrog cov ntxhiab tsw qab. Nws nthuav tawm cov khoom tawg zoo rau cov roj, resins, waxes, polymers, thiab ntau yam organic tebchaw.
Dab tsi yog Cov Khoom ntawm dichloromethane tshuaj
| Khoom | Specification |
| Tshuaj npe | Dichloromethane (DCM) |
| Synonym | Methylene Chloride |
| CAS Nr. | 75-09-2 |
| Molecular Formula | CH₂Cl₂ |
| Molecular Luj | 84,93 g / mol |
| Qhov ntom | 1.325 g / cm³ |
| Melting Point | -97.4 ° C |
| Boiling Point | 39.6 degree |
| Purity | Ntau dua lossis sib npaug li 99% |
| HS Code | 29031200 |
| UN Number | UN 1593 |
Dab tsi yog Cov Kev Siv Tseem Ceeb ntawm DCM hnyav?
Dichloromethane tshuajyog ntau yam kev lag luam hnyav uas siv dav hauv kev tsim tshuaj, kev ua tshuaj, xim thiab txheej, tshuaj ntxuav hluav taws xob, hlau degreasing, thiab kev tshawb fawb hauv chav kuaj.
Kev lag luam kws tshuaj
Methylene chloride yog siv los ua cov tshuaj tiv thaiv hnyav thiab cov kuab tshuaj extraction hauv kev tsim tshuaj vim tias nws dissolves ntau yam ntawm cov organic intermediates, muaj qhov kub tsis tshua muaj kub (39.6 degree), thiab tuaj yeem raug tshem tawm tau zoo thaum lub sij hawm hnyav rov qab thiab ua kom qhuav.
Cov ntawv thov ib txwm muaj xws li:
- API synthesis ua cov tshuaj tiv thaiv nruab nrab rau cov tshuaj tiv thaiv organic
- Extraction thiab purification ntawm kws tshuaj intermediates
- Kev tsim tshuaj tua kab mob suav nrog cov kuab tshuaj- raws li cov kauj ruam sib cais
- Vitamin manufacturing txheej txheem yuav tsum tau organic solvent extraction
- Peptide synthesis thiab downstream purification ua haujlwm
Paints, Coatings thiab Adhesives
Industrial DCMDichloromethane yog siv rau hauv cov txheej txheem thiab cov nplaum nplaum vim nws dissolves resins xws li acrylics, polyurethanes, thiab cellulose derivatives, thaum nws ceev evaporation txhawb ceev cov zaj duab xis tsim thiab ziab.
Cov ntawv thov uas muaj xws li:
- Cov xim tshem tawm uas nkag mus thiab yaj cov txheej txheej txheej
- Resin dissolution thaum lub sij hawm txheej txheej
- Kev tsim cov txheej txheem kev lag luam thiab kev ua tiav tshwj xeeb
- Solvent-raws li kev tsim cov nplaum
- Sealants thiab bonding compounds yuav tsum tau tswj viscosity
Electronics thiab Precision Cleaning
High -purity DCM kuayog siv rau kev tu kom huv si vim tias nws dissolves roj, flux residues, greases, thiab organic contaminants thaum evaporating tag yam tsis tau tawm hauv cov khoom seem ntawm cov khoom seem.
Cov kev siv ib txwm muaj xws li:
- Luam tawm Circuit Board (PCB) ntxuav tom qab soldering txheej txheem
- Semiconductor tivthaiv tu ua ntej sib dhos
- Tshem tawm cov khoom seem ntawm cov khoom siv hluav taws xob
- Kev tu lub lens optical thiab precision ntsuas
Chemical Manufacturing
Dichloromethane ua haujlwm raws li cov txheej txheem hnyav hauv kev tsim tshuaj lom neeg vim tias nws muab cov solubility zoo rau ntau cov organic tebchaw, nthuav tawm tsis tshua muaj kev cuam tshuam raws li kev tswj hwm, thiab ua kom muaj kev sib cais zoo thaum lub sijhawm rho tawm.
Cov ntawv thov suav nrog:
- Polymer thiab resin manufacturing txheej txheem
- Agrochemical synthesis thiab formulation
- Cov tshuaj zoo thiab cov tshuaj tshwj xeeb tsim khoom
- Kua-kua extraction thiab cov khoom rov qab
- Cov tshuaj tiv thaiv kab mob rau chlorination, alkylation, thiab lwm yam organic synthesis cov kauj ruam
Hlau Ntxuav & Degreasing
Methylene chloride (CAS 75-09-2) yog siv los ntxuav cov hlau vim nws dissolves lubricants, machining oils, waxes, thiab roj uas sib sau thaum lub sij hawm tsim thiab txij nkawm ua hauj lwm.
Feem ntau siv hauv:
- Aerospace tivthaiv tu ua ntej tshuaj xyuas lossis txheej
- Automotive qhov chaw degreasing thaum tsim khoom thiab kho
- Industrial machinery txij nkawm thiab kho dua tshiab
- Kev npaj deg ua ntej plating, pleev xim, lossis kev sib txuas
Laboratory & Research Applications
DCM kuab tshuajyog dav siv nyob rau hauv lub chaw soj nstuam vim hais tias nws yog immiscible nrog dej, dissolves ntau cov organic tebchaw, thiab yuav raug tshem tawm tau yooj yim los ntawm rotary evaporation vim nws tsawg boiling point.
Cov ntawv thov suav nrog:
- Kua- kua extraction ntawm cov organic tebchaw
- Kem chromatography thiab qauv purification
- Kev npaj ua piv txwv rau kev ntsuas ntsuas
- Kev tshawb nrhiav thiab kev loj hlob hauv cov organic chemistry
- Organic synthesis thiab tshuaj tiv thaiv optimization kev tshawb fawb
Kev nyab xeeb thiab tuav cov ntaub ntawv
CAS No.75-09-2 Dichloromethaneyog ib qho chlorinated hnyav hnyav; Cov cai tswj kev nyab xeeb ntawm tshuaj lom neeg yuav tsum tau ua thaum tuav. Txhawm rau txo qis kev pheej hmoo kis tau tus mob, xyuas kom zoo cia, tswj qhov cua kom zoo, thiab siv cov cuab yeej tiv thaiv tus kheej tsim nyog (PPE).
Kev Tiv Thaiv Kev Nyab Xeeb
- Siv tsuas yog nyob rau hauv qhov dej zoo - qhov chaw cua lossis thaj chaw uas muaj cov pa hauv zos tsim nyog.
- Tsis txhob nqus cov vapors thiab ua rau lub sijhawm ntev rau qhov siab siab.
- Hnav PPE tsim nyog, suav nrog tshuaj lom- hnab looj tes tiv thaiv, hnav khaub ncaws tiv thaiv, thiab looj tsom iav dub.
- Tsis txhob ncua sijhawm ntev lossis rov ua dua ntawm daim tawv nqaij kom tiv thaiv kev khaus lossis dryness.
- Khaws cov thawv ntim kom nruj thaum tsis siv los txo cov kuab tshuaj evaporation thiab paug.
- Khaws rau hauv qhov chaw txias, qhuav, zoo -ventilated warehouse, deb ntawm qhov chaw tshav kub thiab cov khoom tsis sib xws.
- Ua raws li cov cai hauv zos thiab cov txheej txheem kev nyab xeeb hauv chaw ua haujlwm txog kev tuav cov tshuaj chlorinated cov kuab tshuaj.
Cia thiab thauj
DCM yuav tsum tau thauj thiab khaws cia rau hauv cov thawv ntawv pov thawj tsim los rau kev lag luam tshuaj. Ntim thiab thauj yuav tsum ua raws li cov cai tswj kev thauj mus los thoob ntiaj teb thiab cov neeg siv khoom tshwj xeeb.
SDS thiab Technical Documentation
Ua ntej tuav lossis siv dichloromethane, cov neeg siv yuav tsum ua tib zoo tshuaj xyuas Daim Ntawv Qhia Txog Kev Nyab Xeeb tshiab (SDS/MSDS), Daim Ntawv Qhia Txog Cov Ntaub Ntawv (TDS), thiab cov khoom siv tshwj xeeb kom ntseeg tau tias muaj kev nyab xeeb thiab kev ua raws cai.
Lus Cim: Cov kev cai nyab xeeb yuav txawv raws lub teb chaws, kev lag luam, thiab daim ntawv thov. Ib txwm ua raws li cov cai hauv cheeb tsam ib puag ncig, kev noj qab haus huv, thiab kev nyab xeeb.
Cov lus nug nquag nug (FAQ)
Q: Dab tsi yog methylene chloride siv rau?
A: Methylene chloride (dichloromethane, DCM) yog ntau yam tshuaj chlorinated hnyav uas siv dav hauv cov xim stripping, kev tsim tshuaj, kev ua tshuaj, hlau tu, nplaum ntau lawm, thiab siv hluav taws xob tu. Nws zoo heev solvency thiab ceev evaporation tus nqi ua rau nws ib tug nyiam xaiv nyob rau hauv ntau yam kev siv.
Q: Dab tsi yog lub cev thiab tshuaj muaj zog ntawm dichloromethane (DCM)?
A: Dichloromethane yog cov kua tsis muaj xim, tsis muaj kuab lom nrog cov ntxhiab tsw qab. Nws muaj cov mis mos molecular ntawm CH₂Cl₂, qhov kub ntawm kwv yees li 39.6 degree, thiab cov kuab tshuaj zoo heev rau ntau cov organic tebchaw. Cov khoom no ua rau nws muaj txiaj ntsig zoo hauv kev rho tawm, ntxuav, thiab tsim cov txheej txheem.
Q: Puas yog methylene chloride tib yam li dichloromethane?
A: Yog. Methylene chloride thiab dichloromethane (DCM) yog ob lub npe rau tib cov tshuaj sib xyaw nrog cov mis molecular CH₂Cl₂. "Dichloromethane" yog lub npe IUPAC, thaum "methylene chloride" yog lub npe muaj npe.
Q: Puas yog methylene chloride soluble hauv dej?
A: Methylene chloride muaj kev txwv tsis pub solubility hauv dej tab sis sib tov zoo nrog ntau cov kuab tshuaj organic. Cov yam ntxwv no ua rau nws muaj txiaj ntsig zoo rau kev rho tawm, ntxuav, thiab tsim cov txheej txheem.
Q: HS Code thiab UN Number rau methylene chloride yog dab tsi?
A: HS Code rau methylene chloride yog 29031200, thiab UN Number yog UN1593. Cov cim qhia no feem ntau siv rau kev faib khoom, kev thauj mus los, thiab cov ntaub ntawv tswj hwm.
Q: Yuav khaws cov tshuaj methylene chloride li cas?
A: Methylene chloride yuav tsum muab khaws cia rau hauv cov thawv kaw nruj nreem rau hauv qhov txias, qhuav, thiab zoo - qhov cua qhov chaw nyob deb ntawm qhov chaw kub, qhib nplaim taws, thiab cov khoom siv tsis sib xws. Kev khaws cia zoo pab tswj cov khoom zoo thiab kev nyab xeeb.
Q: Yuav ua li cas tiv thaiv kev nyab xeeb thaum tuav DCM?
A: Thaum tuav cov tshuaj dichloromethane, cov khoom siv tiv thaiv tus kheej tsim nyog (PPE) xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum tau siv. Kev ua pa kom txaus yog pom zoo kom txo qhov raug vapors thiab ua kom muaj kev nyab xeeb.
Tau Sample, COA & SDS
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