Igama lomkhiqizo:N, n-dimethylformamide
Ifomethi Molecular:C3h7no
I-CO CHA:68-12-2
Isakhiwo samangqamuzana somkhiqizo:
N, n-dimethylformaMide iluketshezi olungenamibala noma oluphuzi kancane ngephuzu elibilayo le-153 ° C kanye nengcindezi ye-vapor ye-380 PA ngo-20 ° C ngo-20 ° C. Inyakazisa ngokukhululekile emanzini futhi incibilikisa utshwala, i-acetone nase-benzene. N, n-dimethylformaMide isetshenziswa njenge-solvent, i-catalyst kanye negesi yokumunca. Sabela ngobudlova nge-sulfuric acid ehlanganisiwe, i-fuming nitric acid futhi ingaqhuma. I-Pure DimethLylformaMide inephunga elimnandi, kepha ibanga lezimboni noma i-dimethylformamide linephunga elinezinhlanzi ngoba liqukethe ukungcola okungama-dimethyyamine. I-DimethLylformaMide ayizinzile (ikakhulukazi emazingeni okushisa aphezulu) phambi kwesisekelo esinamandla njenge-sodium hydroxide noma i-acid enamandla njenge-hydrochloric acid noma i-halfuric acid, futhi i-hydrolyzed ku-formic acid kanye ne-dimethylamine.
N, n-dimethylformaMide (DMF) uketshezi olucacile olusetshenziswe kabanzi ezimbonini njenge-solvent, isengezo, noma esiphakathi ngenxa yokubi okubucayi kwamanzi kanye nama-solvents ajwayelekile ajwayelekile.
I-DimethLylformaMide isetshenziswa ngokuyinhloko njenge-solvent yezimboni. Izixazululo ze-DimethLylformamide zisetshenziselwa ama-polymer fibers, amafilimu, nezimbobo ezingaphezulu; Ukuvumela ukuxuba okulula kwemicu ye-acrylic; ukukhiqiza izilonda ze-wire, futhi njenge-crystallization medium emkhakheni wezemithi.
I-DMF ingaphinde isetshenziselwe ukufakwa nge-alkyllithithithiyum noma i-griggrard reagents.
Isetshenziswa njenge-reagent ku-Bouveault Aldehyde Synthesis futhi nasekuphenduleni kwe-Vilsmeier-Haack. Isebenza njenge-catalyst ekuhlolweni kwama-acyl clorides. Isetshenziselwa ukuhlukanisa nokucwilisa i-crude kusuka kugesi e-Olefind. I-DMF kanye ne-methylene chloride isebenza njenge-remover of varnish noma ama-lacquers. Iphinde isetshenziswe ekwenziweni kwezikhangiso, imicu namafilimu.
N, n-dimethylformaMide (DMF) iyi-solvent ngesilinganiso esiphansi sokuhwamuka, okuwusizo ekulungiseleleni izisombululo ngezinhlobo ezahlukahlukene ze-hydrophobic ezi-organic application ezisetshenziswa ezinhlelweni ze-molecular biology.
N, n-dimethylformaMide isetshenziselwe ukuhlukanisa amakristalu e-MTT ku-Assays yeCile Cell
Ukusetshenziswa okubanzi komhlaba wonke kwe-DMF ngonyaka we-2001 kwakungamathani angama-285, 000 metric, iningi lalo lalisetshenziswa njenge-solvent yezimboni.
IChemWin inganikeza uhla olubanzi lwezinqwaba ze-hydrocarbons nama-solvents amakhemikhali amakhasimende wezimboni.Ngaphambi kwalapho, sicela ufunde imininingwane elandelayo eyisisekelo ngokwenza ibhizinisi nathi:
1. Ezokuphepha
Ukuphepha kuyinto eza kuqala kithi. Ngaphezu kokuhlinzeka amakhasimende ngolwazi mayelana nokusetshenziswa okuphephile nakwezemvelo kwemikhiqizo yethu, futhi sizibophezele ekuqinisekiseni ukuthi izingozi zokuphepha zabasebenzi nosonkontileka zincishiswa ubuncane obunengqondo nezenzeka. Ngakho-ke, sidinga ikhasimende ukuthi liqinisekise ukuthi amazinga afanele okulayisha kanye namazinga okuphepha okugcina ahlangatshezwa ngaphambi kokulethwa kwethu (sicela ubheke kwi-HSSE Isithasiselo ngemigomo nemibandela yokuthengisa engezansi). Ochwepheshe bethu be-HSSE banganikeza ukuholwa kulezi zindinganiso.
2. Indlela Yokulethwa
Amakhasimende angakwazi uku-oda futhi alethe imikhiqizo kusuka ku-Cheminjin, noma angathola imikhiqizo kwisitshalo sethu sokukhiqiza. Izindlela ezitholakalayo zokuhamba zifaka iloli, isitimela noma ezokuhamba ze-multimodal (izimo ezihlukile ziyasebenza).
Endabeni yezidingo zamakhasimende, singacacisa izidingo zamabhande noma amathangi futhi sisebenzise amazinga okuphepha akhethekile / wokubuyekezwa nezidingo.
3. Ubuncane be-oda
Uma uthenga imikhiqizo kwiwebhusayithi yethu, inani eliphansi le-oda lingamathani angama-30.
4.Fay
Indlela yokukhokha ejwayelekile ukuncishiswa okuqondile kungakapheli izinsuku ezingama-30 ku-invoice.
5. Imibhalo Yokulethwa
Imibhalo elandelayo ihlinzekwa ngokulethwa ngakunye:
· I-Bill of Lading, CMR Waybill noma enye incwadi efanele yokuhamba
· Isitifiketi sokuhlaziywa noma ukuhambisana (uma kudingeka)
Imibhalo ehlobene ne-HSSE ngokuhambisana nemigomo
· Imibhalo yamasiko ehambisana nemigomo (uma kudingeka)