Mugadziri Mutengo Wakanaka N,N-DIMETHYLFORMAMIDE(DMF) CAS 68-12-2
tsananguro
Iro zita rinobva pakuti ndiro dimethyl inotsiva formamide (amide yefomic acid), uye mapoka ese emethyl anowanikwa paN (nitrogen) atomu.N, N-DIMETHYLFORMAMID i-high-boiling polar (hydrophilic) aprotic solvent, uye Chemicalbook inogona kukurudzira SN2 reaction mechanism.N,N-DIMETHYLFORMAMID inogadzirwa uchishandisa formic acid uye dimethylamine.N, N-DIMETHYLFORMAMID haina kugadzikana (kunyanya pakupisa kwepamusoro) muhupo hwezvigadziko zvakasimba zvakadai se sodium hydroxide kana yakasimba acids yakadai se hydrochloric acid kana sulfuric acid, uye hydrolyzes kune formic acid uye dimethylamine.Yakanyatsogadzikana mumhepo uye kana ichipisa kusvika pakuvira.Kana tembiricha yakakwira kupfuura 350 ℃, inorasa mvura uye inogadzira kabhoni monoxide uye dimethylamine.N,N-DIMETHYLFORMAMID yakanaka aprotic polar solvent, inogona kunyungudutsa yakawanda organic uye inorganic substances, uye inosanganiswa nemvura, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons uye anonhuwirira hydrocarbons, nezvimwewo.Magumo akanaka akachajwa yeN, N-DIMETHYLFORMAMID molecule yakakomberedzwa nemapoka emethyl, achigadzira steric chipingamupinyi, kuitira kuti maion asina kunaka asasvike, asi maion chete akanaka anobatanidzwa.Iyo anion yakashama inoshanda zvakanyanya kupfuura anion yakagadziriswa.Mazhinji maitiro eionic anoitwa zviri nyore muN,N-DIMETHYLFORMAMID pane zvakajairika protic solvents, semuenzaniso, kuita kwecarboxylates ine halogenated hydrocarbons muN,N-DIMETHYLFORMAMID patembiricha yekamuri, inogona kugadzira ester-goho guru, kunyanya akakodzera. iyo synthesis yesterically yakadzivirirwa esters.
Synthesis.Mazwi akafanana
amide,n,n-dimethyl-formicaci;Dimethylamidkyselinymravenci;dimethylamidkyselinymravenci;N,N-DIMETHYLFORMAMIDE,99.9+%,HPLCGRADE;NN-DIMETHYLFORChemicalbookMAMIDE99.8%ACS&;N,N-DIMETHYLFORMAMIDE,4X25ML;N,N-DIMETHYLFORMAMIDE,MOLECULARBIOLOGYREAGENT;N,N-DIMETHYLFORMAMIDENEUTRALMARKER*FORCAPILLARY
Zvikumbiro zveDMF
DMF inonyungudutsa yakanaka yemhando dzakasiyana dzemapolymers akadai se polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, nezvimwewo, uye inogona kushandiswa kunyorova kuruka kwemafibhi ekugadzira akadai se polyacrylonitrile fibers, uye synthesis ye polyurethane;Inoshandiswa kugadzira firimu repurasitiki;inogonawo kushandiswa semucheka wepende yekubvisa pende;inogonawo kunyungudutsa mamwe ma-low-solubility pigments, kuitira kuti mavara ave nemaitiro edhayi.DMF inoshandiswa pakubvisa zvinonhuwira uye kupatsanurwa uye kudzorerwa kwebutadiene kubva kuC4 zvidimbu uye isoprene kubva kuC5 zvikamu, uye inogonawo kushandiswa sechinhu chinoshanda chekugadzirisa kupatsanurwa kwezvinhu zvisiri zvehydrocarbon kubva paparafini.Iine sarudzo yakanaka yekunyungudika kwe isophthalic acid uye terephthalic acid: isophthalic acid inonyanya kunyungudika muDMF kupfuura terephthalic acid, solvent extraction kana partial Crystallization, iyo miviri inogona kupatsanurwa.Muindasitiri yepetrochemical, DMF inogona kushandiswa segasi inonwisa kuparadzanisa uye kunatsa magasi.Semushonga wekurapa wekugeza Chemicalbook muindasitiri yepolyurethane, inonyanya kushandiswa mukugadzirwa kwematehwe akanyorova ekugadzira;sechinhu chinonyungudutsa mu acrylic fiber indasitiri, inonyanya kushandiswa mukuoma kuruka kugadzirwa kwe acrylic fiber;muindasitiri yemagetsi sekudzima kwetin-plated zvikamu uye matunhu mapuranga Mamwe maindasitiri anosanganisira vatakuri vegasi rine njodzi, zvinonyungudutsa zvezvinodhaka crystallization, zvinonamira, etc. In Organic reactions, DMF haingoshandiswi zvakanyanya sechinhu chinonyungudutsa chekuita, asi. zvakare yakakosha yepakati mune organic synthesis.Muindasitiri yemishonga yezvipembenene, inogona kushandiswa kugadzira ciprofloxacin;muindasitiri yemishonga, inogona kushandiswa kugadzira ayodhini, doxycycline, cortisone, vhitamini B6, ayodhini, quercetin, pyrantel, N-formylsarcomin, Oncoline, methoxyfen, benzodiazepine, cyclohexyl nitrosourea, furoflurourastatic, bilemometrol, bilemometrol chlorpheniramine, sulfonamides Kugadzirwa.DMF ine catalytic effect mukuita kwehydrogenation, dehydrogenation, dehydration uye dehydrohalogenation, kuitira kuti tembiricha yekupindura iderere uye kuchena kwechigadzirwa kugadziridzwe.
1. Iyo yakanakisa organic solvent, inoshandiswa seyakagadziriswa ye polyurethane, polyacrylonitrile, uye polyvinyl chloride, uye inoshandiswawo seyakagadziriswa, seyakasvibirira yemishonga nemishonga yezvipembenene.
2. Inoshandiswa seanalytical reagent uye solvent yevinyl resin uye acetylene
3. Haisi chete kemikari yakasvibirira ine huwandu hwakawanda hwekushandisa, asiwo yakanakisa solvent ine huwandu hwakawanda hwekushandisa.DMF inonyungudutsa yakanaka yemhando dzakasiyana dzemapolymers akadai se polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, nezvimwewo, uye inogona kushandiswa kunyorova kuruka kwemafibhi ekugadzira akadai se polyacrylonitrile fibers, uye synthesis ye polyurethane;Inoshandiswa kugadzira firimu repurasitiki;inogonawo kushandiswa semucheka wepende yekubvisa pende;inogonawo kunyungudutsa mamwe ma-low-solubility pigments, kuitira kuti mavara ave nemaitiro edhayi.DMF inoshandiswa pakubvisa zvinonhuwira uye kupatsanurwa uye kudzorerwa kwebutadiene kubva kuC4 zvidimbu uye isoprene kubva kuC5 zvikamu, uye inogonawo kushandiswa sechinhu chinoshanda chekugadzirisa kupatsanurwa kwezvinhu zvisiri zvehydrocarbon kubva paparafini.Iine sarudzo yakanaka yekunyungudika kwe isophthalic acid uye terephthalic acid: isophthalic acid inonyanya kunyunguduka muDMF kupfuura terephthalic acid, solvent extraction inoitwa mu dimethyl chemicalbook acid formamide Kana zvishoma crystallized, iyo miviri inogona kupatsanurwa.Muindasitiri yepetrochemical, DMF inogona kushandiswa segasi inonwisa kuparadzanisa uye kunatsa magasi.Mune organic reactions, DMF haingo shandiswa zvakanyanya se solvent yemhinduro, asiwo yakakosha yepakati mune organic synthesis.Muindasitiri yemishonga yezvipembenene, inogona kushandiswa kugadzira ciprofloxacin;muindasitiri yemishonga, inogona kushandiswa kugadzira ayodhini, doxycycline, cortisone, vhitamini B6, ayodhini, quercetin, pyrantel, N-formylsarcomin, Tumorine, Methoxyfen mustard, Bian nitrogen mustard, cyclohexyl nitrosourea, furopartamourages acid, furopartamourages acid, , bilevitamin, chlorpheniramine, etc. DMF ine catalytic effect mukuita kwehydrogenation, dehydrogenation, dehydration uye dehydrohalogenation, kuitira kuti kupisa kwekushisa kunoderedzwa uye kuchena kwechigadzirwa kunovandudzwa.
4. Non-aqueous titration solvent.Solvent yevinyl uye acetylene.Photometric kutsunga.Gasi chromatographic stationary solution (yakanyanya kushanda tembiricha 50 ℃, solvent is methanol), kupatsanurwa Chemicalbook ongororo C2 ~ C5 hydrocarbons, uye inogona kuparadzanisa zvakajairika, isobutene uye cis, trans-2-butene.Kuongororwa kwezvipembenene zvakasara.Organic Synthesis.Peptide synthesis.Zveindasitiri yemifananidzo.
Tsanangudzo yeDMF
| Musanganiswa | Tsanangudzo |
| Chitarisiko | clear |
| General | ≥99.9% |
| Methanol | ≤0.001% |
| Ruvara (PT-CO),Hazen | ≤5 |
| Mvura,% | ≤0.05% |
| Iron, mg/kg | ≤0.05 |
| Acidity (HCOOH) | ≤0.001% |
| Basicity (DMA) | ≤0.001% |
| PH(25℃, 20% ine mvura) | 6.5-8.0 |
| Conductivity (25 ℃, 20% aqueous), μs/cm | ≤2 |
Packing yeDMF
190kg / chigubhu
Kuchengetera kunofanirwa kunge kuchitonhorera, kuoma uye kufefetera.
