Dichloromethane | 75-09-2
Idatha Yendawo Yomkhiqizo:
| Igama Lomkhiqizo | I-Dichloromethane |
| Izakhiwo | Uketshezi olukhanyayo olungenambala olunephunga elimnandi |
| Iphoyinti Lokuncibilika(°C) | -95 |
| Indawo yokubilisa(°C) | 39.8 |
| Ukuminyana okuhlobene (Amanzi=1) | 1.33 |
| Ukuminyana komhwamuko okuhlobene (umoya=1) | 2.93 |
| Umfutho womhwamuko ogcwele (kPa) | 46.5 (20°C) |
| Ukushisa komlilo (kJ/mol) | -604.9 |
| Izinga lokushisa elibalulekile (°C) | 237 |
| Ingcindezi ebucayi (MPa) | 6.08 |
| I-Octanol/i-partition coefficient yamanzi | 1.25 |
| Iphoyinti elikhanyayo (°C) | -4 |
| Izinga lokushisa lokushisa (°C) | 556 |
| Umkhawulo wokuqhuma okuphezulu (%) | 22 |
| Umkhawulo wokuqhuma ophansi (%) | 14 |
| Ukuncibilika | Incibilika kancane emanzini, incibilika ku-ethanol, i-ether. |
Izici Zomkhiqizo Nozinzo:
1.Ubuthi obuncane kakhulu kanye nokululama ngokushesha kubuthi, ngakho-ke kungasetshenziswa njengesiqedamizwa. Ukucasula isikhumba kanye nolwelwesi lwamafinyila. Amagundane amadala amancane ngomlomo LD50: 1.6mL/kg. ukugcwala komoya okuphezulu okuvunyelwe okungu-500 × 10-6. Ukusebenza kufanele kugqoke imaskhi yegesi, etholwe inobuthi ngokushesha isuswe endaweni yesigameko, ukwelashwa okubonakalayo. Okuncane ku-chloride ye-methane. Umhwamuko unamandla okubulala izinzwa futhi ukuhogela umoya omningi kuzodala ubuthi obunzima nobuhlungu bamakhala, ikhanda elibuhlungu kanye nokuhlanza. Ubuthi obungapheli bubangela isiyezi, ukukhathala, ukungakuthandi ukudla, impai-red hematopoiesis kanye nokuncipha kwamaseli abomvu egazi. I-liquid methylene chloride ibangela i-dermatitis lapho ithinta isikhumba. Ukuhogela umhwamuko ongu-90.5g/m3 kumagundane abulawe emizuzwini engama-90. I-olfactory threshold concentration yi-522mg/m3 kanti ukugxila okuphezulu okuvumelekile endaweni yokusebenza ngu-1740mg/m3.
2.Ukuzinza: Ukuzinza
3.Izinto ezingavunyelwe: Izinsimbi ze-alkali, i-aluminium
4.Izimo zokugwema ukuchayeka: Ukukhanya, umoya oswakeme
5.Ingozi ye-Polymerization: Ukungeyona i-polymerization
Isicelo somkhiqizo:
1.Ngaphezu kwe-organic synthesis, lo mkhiqizo ubuye usetshenziswe kabanzi njengefilimu ye-cellulose acetate, i-cellulose triacetate pumping, i-petroleum dewaxing, i-solvents ekukhiqizeni ama-aerosols nama-antibiotics, amavithamini, ama-steroidal compounds, kanye nokuhlanza i-lacquer ebusweni bensimbi kanye nokunciphisa amafutha kanye isikhiphi sefilimu.
2.Isetshenziswa ekufutheni okusanhlamvu kanye nesiqandisi seziqandisi ezinomfutho ophansi kanye namayunithi afaka umoya. Isetshenziswa njenge-ejenti yokuphefumula eyisiza ekukhiqizeni igwebu le-polyether urethane nanjenge-ejenti efuthayo yegwebu le-polysulfone elikhishwe.
3.Isetshenziswa njenge-solvent, i-extractant ne-mutagen. Isetshenziswa ocwaningweni lwezakhi zofuzo zezitshalo.
I-4.Ine-solvency enhle, iyi-solvent yamaphuzu aphansi abilayo enobuthi obuncane kanye nokungashi phakathi kwama-solvents asezimbonini ezisetshenziswa kakhulu, futhi ine-solvency enhle yama-resin amaningi, upharafini namafutha. Isetshenziswa kakhulu njenge-stripper kapende, i-petroleum dewaxing solvent, i-extractant yezinto ezingaguquki ezishisayo, i-lanolin ephuma eboyeni namafutha adliwayo kukhukhunathi, i-solvent yefilimu ye-cellulose triacetate. Ibuye isetshenziswe kabanzi ekukhiqizeni i-acetate fiber, i-vinyl chloride fiber, ukucubungula kanye nezicisha umlilo, iziqandisi, i-urotropine nokunye ukukhiqiza.
5.Isetshenziswa embonini ye-elekthronikhi. Okuvame ukusetshenziswa njenge-ejenti yokuhlanza ukususa amafutha.
I-6.Isetshenziswa kakhulu njenge-solvent ye-flame retardant enephuzu lokubilisa eliphansi kakhulu. Ngaphezu kokugeza izincibilikisi zezinjini zezindiza, imishini yokunemba, njll., ingasetshenziswa futhi njenge-ejenti yokukhumula amapende, futhi ingaxutshwa nezinye izincibilikisi ezizosetshenziswa ekuwasheni okuhlukahlukene kwezimboni.
7.Futhi isetshenziswa njenge-ethyl ester fiber solvent, i-anesthetic yendawo yamazinyo, isiqandisi kanye ne-ejenti yokucisha umlilo, njll., iyindlela evamile yokwehlukaniswa kwe-chromatographic kanye nokuhlukaniswa kokukhipha kwezincibilikizi ezivamile.
I-8.Isetshenziswa njenge-solvent embonini ye-resin nepulasitiki.
Amanothi Okugcina Umkhiqizo:
1.Gcina endaweni epholile, nengena umoya.
2. Gcina kude nomlilo kanye nomthombo wokushisa.
3.Gcina emazingeni okushisa angeqi ku-32°C kanye nomswakama ohlobene ongeqile ku-80%.
4.Gcina isitsha sivaliwe.
5.Kufanele igcinwe ngokuhlukana nezinsimbi ze-alkali namakhemikhali adliwayo, futhi akufanele neze ihlanganiswe.
6.Ifakwe izinhlobo ezifanele kanye nenani lempahla yokucisha umlilo.
I-7.Indawo yokugcina kufanele ifakwe imishini yokwelapha izimo eziphuthumayo ezivuzayo kanye nezinto zokukhosela ezifanele.
