Mai ƙera Farashi Mai Kyau N,N-DIMETHYLFORMAMIDE(DMF) CAS 68-12-2

taƙaitaccen bayani:

An takaita N,N-DIMETHYLFORMAMIDE a matsayin DMF. Wani sinadari ne da aka samar ta hanyar maye gurbin rukunin hydroxyl na formic acid da rukunin dimethylamino, kuma tsarin kwayoyin halitta shine HCON(CH3)2. Ruwa ne mara launi, mai haske, mai tafasa mai yawa tare da warin amine mai sauƙi da kuma yawan da ya kai 0.9445 (25°C). Wurin narkewa -61 ℃. Wurin tafasa shine 152.8 ℃. Wurin walƙiya shine 57.78 ℃. Yawan tururi shine 2.51. Matsi na tururi shine 0.49kpa (3.7mmHg25 ℃). Wurin kunna wuta shine 445°C. Iyakar fashewar tururi da cakuda iska shine 2.2 zuwa 15.2%. Idan akwai harshen wuta da zafi mai yawa, yana iya haifar da ƙonewa da fashewa. Yana iya yin martani mai ƙarfi tare da sinadarin sulfuric acid mai yawa da kuma nitric acid mai hayaki har ma ya fashe. Yana iya narkewa da ruwa da yawancin sinadaran halitta. Yana da sinadarai gama gari don halayen sinadarai. Tsarkakken N,N-DIMETHYLFORMAMIDE ba shi da wari, amma N,N-DIMETHYLFORMAMID, wanda aka yi masa kwaskwarima a masana'antu ko kuma wanda aka lalata, yana da ƙamshi mai kama da kifi saboda yana ɗauke da ƙazanta na dimethylamine.

CAS: 68-12-2

Aika mana imel

Cikakken Bayani game da Samfurin

Alamun Samfura

bayanin

Sunan ya fito ne daga gaskiyar cewa shine maye gurbin dimethyl na formic acid (amide na formic acid), kuma duka ƙungiyoyin methyl suna kan atom na N (nitrogen). N,N-DIMETHYLFORMAMID wani sinadari ne mai tafasa mai yawan zafi (hydrophilic), kuma Chemicalbook na iya haɓaka tsarin amsawar SN2. Ana samar da N,N-DIMETHYLFORMAMID ta amfani da formic acid da dimethylamine. N,N-DIMETHYLFORMAMID ba shi da ƙarfi (musamman a yanayin zafi mai yawa) a gaban tushe masu ƙarfi kamar sodium hydroxide ko acid masu ƙarfi kamar hydrochloric acid ko sulfuric acid, kuma yana hydrolyzes zuwa formic acid da dimethylamine. Yana da ƙarfi sosai a cikin iska kuma lokacin da aka dumama shi har ya tafasa. Lokacin da zafin ya fi 350 ℃, zai rasa ruwa kuma ya samar da carbon monoxide da dimethylamine. N,N-DIMETHYLFORMAMID wani sinadari ne mai kyau na aprotic polar, wanda zai iya narkar da yawancin abubuwan halitta da marasa halitta, kuma ana iya mirgine shi da ruwa, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons da aromatic hydrocarbons, da sauransu. Ƙarshen methyl molecule mai caji mai kyau yana kewaye da ƙungiyoyin methyl, yana samar da cikas ga steric, don haka ions masu kyau ba za su iya kusantowa ba, amma ions masu kyau ne kawai ke da alaƙa. Anion tsirara ya fi aiki fiye da anion mai narkewa. Yawancin halayen ionic ana iya aiwatar da su cikin sauƙi a cikin N,N-DIMETHYLFORMAMID fiye da na protic gabaɗaya, misali, amsawar carboxylates tare da halogenated hydrocarbons a cikin N,N-DIMETHYLFORMAMID a zafin ɗaki, na iya samar da esters masu yawan amfanin ƙasa, musamman dacewa da haɗa esters masu hana steryl.

Tsarin Magana. Ma'anar Magana

amide,n,n-dimethyl-formicaci; Dimethylamidkyselinymravenci; dimethylamidkyselinymravenci; N,N-DIMETHYLFORMAMIDE,99.9+%,HPLCGRADE; NN-DIMETHYLFORChemicalbookMAMIDE99.8%ACS&;N,N-DIMETHYLFORMAMIDE,4X25ML; N,N-DIMETHYLFORMAMIDE,MAGANA GAME DA BIYOYIN HALITTA; N,N-DIMETHYLFORMAMIDENEUTRALMAR MAGANA*DOMIN CAPILLARY

Aikace-aikacen DMF

DMF kyakkyawan sinadari ne ga nau'ikan polymers masu ƙarfi kamar polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, da sauransu, kuma ana iya amfani da shi don jujjuyawar zaruruwan roba kamar polyacrylonitrile, da kuma haɗa polyurethane; Ana amfani da shi don yin fim ɗin filastik; ana iya amfani da shi azaman mai cire fenti don cire fenti; yana kuma iya narkar da wasu launuka masu ƙarancin narkewa, don launukan su sami halayen rini. Ana amfani da DMF don cire ƙanshi da rabuwa da dawo da butadiene daga sassan C4 da isoprene daga sassan C5, kuma ana iya amfani da shi azaman mai tasiri don raba abubuwan da ba hydrocarbon ba daga paraffin. Yana da zaɓi mai kyau don narkewar isophthalic acid da terephthalic acid: isophthalic acid ya fi narkewa a cikin DMF fiye da terephthalic acid, cirewar solvent ko wani ɓangare na Crystallization, ana iya raba su biyun. A cikin masana'antar man fetur, ana iya amfani da DMF azaman mai shan iskar gas don raba da tace iskar gas. A matsayin maganin wanke-wanke don wanke-wanke a masana'antar polyurethane, galibi ana amfani da shi wajen samar da fata mai laushi; a matsayin mai narkewa a masana'antar zare acrylic, galibi ana amfani da shi wajen samar da zare acrylic mai bushewa; a masana'antar lantarki a matsayin mai kashe sassan da aka yi da tin plating da allon da'ira. Sauran masana'antu sun haɗa da masu ɗaukar iskar gas masu haɗari, masu narkewa don crystallization na magunguna, manne, da sauransu. A cikin halayen halitta, ba wai kawai ana amfani da DMF sosai a matsayin mai narkewa don amsawar ba, har ma yana da mahimmanci a cikin haɗakar kwayoyin halitta. A cikin masana'antar magungunan kashe kwari, ana iya amfani da shi don samar da ciprofloxacin; a cikin masana'antar magunguna, ana iya amfani da shi don haɗa iodine, doxycycline, cortisone, bitamin B6, iodine, quercetin, pyrantel, N-formylsarcomin, Oncoline, methoxyfen, benzodiazepine, cyclohexyl nitrosourea, furoflurouracil, hemostatic acid, bepartame, megestrol, bilevita, chlorpheniramine, sulfonamides. DMF yana da tasirin catalytic a cikin halayen hydrogenation, dehydrogenation, dehydration da dehydrohalogenation, don haka zafin amsawar ya ragu kuma an inganta tsarkin samfurin.

1. Yana da wani sinadari mai kyau na halitta, wanda ake amfani da shi azaman sinadari don polyurethane, polyacrylonitrile, da polyvinyl chloride, kuma ana amfani da shi azaman sinadari, azaman kayan aiki na magunguna da magungunan kashe kwari.

2. Ana amfani da shi azaman maganin nazari da kuma maganin narkewa don resin vinyl da acetylene

3. Ba wai kawai kayan sinadarai ne masu amfani iri-iri ba, har ma da ingantaccen maganin narkewa mai amfani iri-iri. DMF kyakkyawan maganin narkewa ne ga nau'ikan polymers masu ƙarfi kamar polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, da sauransu, kuma ana iya amfani da shi don jujjuyawar zaruruwan roba kamar polyacrylonitrile, da kuma haɗa polyurethane; Ana amfani da shi don yin fim ɗin filastik; ana iya amfani da shi azaman mai cire fenti don cire fenti; yana iya narkar da wasu launuka masu ƙarancin narkewa, don launukan su sami halayen rini. Ana amfani da DMF don cire ƙanshi da rabuwa da dawo da butadiene daga sassan C4 da isoprene daga sassan C5, kuma ana iya amfani da shi azaman maganin sakewa mai tasiri don raba abubuwan da ba hydrocarbon ba daga paraffin. Yana da zaɓi mai kyau don narkewar isophthalic acid da terephthalic acid: isophthalic acid ya fi narkewa a cikin DMF fiye da terephthalic acid, ana fitar da sinadarai masu narkewa a cikin dimethyl chemicalbook acid formamide Ko kuma an ɗan yi shi da wani ɓangare, ana iya raba su biyun. A cikin masana'antar petrochemical, ana iya amfani da DMF azaman mai sha iskar gas don rabawa da tace iskar gas. A cikin halayen halitta, ba wai kawai ana amfani da DMF sosai azaman mai narkewa don amsawar ba, har ma yana da mahimmanci a cikin haɗakar kwayoyin halitta. A cikin masana'antar magungunan kashe kwari, ana iya amfani da shi don samar da ciprofloxacin; A masana'antar harhada magunguna, ana iya amfani da shi don haɗa aidin, doxycycline, cortisone, bitamin B6, aidin, quercetin, pyrantel, N-formylsarcomin, Tumorine, Methoxyfen mustard, Bian nitrogen mustard, cyclohexyl nitrosourea, furoflurouracil, hemostatic acid, bepartame, megestrol, bilevitamin, chlorpheniramine, da sauransu. DMF yana da tasirin catalytic a cikin halayen hydrogenation, dehydrogenation, dehydration da dehydrohalogenation, don haka zafin amsawar ya ragu kuma an inganta tsarkin samfurin.

4. Maganin narkewar ruwa mara ruwa. Maganin narkewar vinyl da acetylene. Tabbatar da photometric. Maganin chromatographic na iskar gas (matsakaicin zafin aiki 50 ℃, maganin narkewa shine methanol), rabuwa Nazarin littafin Chemicalbook C2 ~ C5 hydrocarbons, kuma yana iya raba al'ada, isobutene da cis, trans-2-butene. Binciken ragowar magungunan kwari. Haɗin Organic. Haɗa Peptide. Ga masana'antar daukar hoto.

Bayani na DMF

Mahaɗi	Ƙayyadewa
Bayyanar	bayyananne
Janar	≥99.9%
Methanol	≤0.001%
Launi (PT-CO), Hazen	≤5
Ruwa,%	≤0.05%
Baƙin ƙarfe, mg/kg	≤0.05
Acidity (HCOOH)	≤0.001%
Asalin (DMA)	≤0.001%
PH(25℃, 20% ruwa)	6.5-8.0
Watsawa (25℃, 20% ruwa), μs/cm	≤2