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N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
N-methylformamide mai tsafta ba shi da launi, m kuma ruwa mai danko, mp-3.8 ℃, bp198 ℃, n25D 1.4310, dangi yawa 0.9986 (25 ℃), mai narkewa a cikin ruwa, kuma yana iya narkar da inorganic salts, kuma hygroscopic ne. Sauƙaƙe bazuwa a cikin maganin acidic ko alkaline.
N-methylformamide abu ne mai mahimmanci na kayan aiki na roba. Ana amfani dashi a cikin kira na magungunan kashe qwari, magungunan kashe qwari da acaricides monoformamidine da diformamidine. Ana kuma amfani da ita wajen samar da magunguna, fata na roba, fata na wucin gadi, da kuma matsayin kaushi na yadudduka na fiber sinadarai. .
Hanyar samarwa 1. Ana samar da hanyar methylamine ta hanyar amsawar methylamine da carbon monoxide. 2. Ana samun hanyar methylamine ta hanyar amsawar methyl formate da methylamine. 3. An samu daga amsawar ethyl formate da methylamine. Ƙara ethyl formate a cikin reactor, ƙara methylamine aqueous bayani a karkashin sanyaya, da kuma reflux da dauki a 40 ° C. Sa'an nan kuma an bar shi na tsawon kwanaki 3, kuma an gano ethanol a ƙarƙashin matsa lamba don samun danyen samfurin. Ana samun samfurin ƙãre ta hanyar distillation a ƙarƙashin rage matsa lamba.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine wani muhimmin nau'in sinadarai ne wanda ake amfani da shi sosai azaman albarkatun ƙasa, tsaka-tsaki ko samfura. Misali, diamine wani muhimmin rukunin tsarin ne a cikin haɗin polyamide da sauran halayen polymerization na tari. N, N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) wani muhimmin tsaka-tsaki ne, wanda aka yi amfani da shi misali a cikin shirye-shiryen masana'antu na man shafawa. Bugu da kari, ana amfani da DMAPA azaman albarkatun kasa don shirye-shiryen coagulant kuma ita kanta yakamata tana da abubuwan hana lalata.
Ruwa ne mara launi. Mai narkewa a cikin ruwa da kaushi na halitta. An yi amfani da shi sosai wajen kera albarkatun kayan kwalliya, kamar palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, da sauransu.
Yin amfani da dimethylaminopropionitrile [1738-25-6] a matsayin albarkatun kasa, ana ƙara hydrogenation da methanol a gaban mai kara kuzari na Ni-Al, sa'an nan kuma tacewa da distilled don samun samfurin gama na 3-dimethylaminopropylamine. Tsaftar samfurin da aka samu zai iya kaiwa fiye da 99%, kuma kowane ton na samfur yana cinye 1150kg na dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino) ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2- (Ethyl (m-tolyl)amino)ethanol) ruwa ne mai launin rawaya mai haske da tsaka-tsakin rini. Ana amfani da shi don samar da rini na cationic, kamar cationic ja 6B. Hakanan ana amfani dashi azaman ɗanyen abu don samar da masu haɓaka launi da magunguna.
Amfani: 1. Tsakanin Rini.
Na biyu, ana amfani da shi don samar da rini na cationic, kamar cationic ja 6B.
3. Ana amfani da shi azaman albarkatun ƙasa don samar da masu haɓaka launi da magunguna.
hanyar samarwa
1. Hanyar m-toluidine
An shirya shi daga m-toluidine da ethyl iodide a matsayin albarkatun kasa.
Biyu, hanyar N-ethyl m-toluidine
Ana shirya ta ta amfani da N-ethyl m-toluidine azaman ɗanyen abu kuma ana amsawa da chloroethanol (ko ethylene oxide).
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N, N-Dimethylformamide CAS 68-12-2
Dimethylformamide ruwa ne mara launi kuma bayyananne. Ba wai kawai kayan albarkatun sinadarai ne kawai ake amfani da shi ba, har ma da ingantaccen ƙarfi mai fa'ida mai fa'ida. Dimethylformamide wani muhimmin albarkatun kasa ne ga magunguna, petrochemical, fata da sauran masana'antu.
Dimethylformamide ana kiransa DMF. Yana da fili wanda aka maye gurbin ƙungiyar hydroxyl na formic acid da ƙungiyar dimethylamino, tare da tsarin kwayoyin HCON (CH3) 2. Ruwa ne mara launi kuma bayyananne mai tsananin tafasawa tare da kamshin amine mai haske da ƙarancin dangi na 0.9445 (25 ℃). Matsayin narkewa -61 ℃. Tushen tafasa 152.8 ℃. Ma'anar Flash 57.78 ℃. Yawan tururi 2.51. Matsin tururi 0.49kpa (3.7mmHg25 ℃). Matsayin atomatik shine 445 ℃. Iyakar fashewar tururi da cakuda iska shine 2.2 ~ 15.2%. Fitarwa ga buɗe wuta da zafi mai zafi na iya haifar da konewa da fashewa. Yana iya mayar da martani da ƙarfi tare da tattara sulfuric acid da fuming nitric acid har ma ya fashe. Yana da ɓarna da ruwa da mafi yawan abubuwan kaushi na ƙwayoyin cuta. Yana da sauran ƙarfi na kowa don halayen sinadaran. Dimethylformamide mai tsafta ba shi da wari, amma darajar masana'antu ko tabarbarewar dimethylformamide yana da warin kifi saboda yana ɗauke da ƙazantattun dimethylamine. Sunan ya fito ne daga gaskiyar cewa dimethyl shine maye gurbin foramide (amide na formic acid), kuma duka kungiyoyin methyl suna kan N (nitrogen) atom. Dimethylformamide ne mai iyakacin duniya (hydrophilic) aprotic kaushi tare da wani babban tafasar batu, wanda zai iya inganta SN2 dauki inji. An yi Dimethylformamide daga formic acid da dimethylamine. Dimethylformamide ba shi da kwanciyar hankali (musamman a yanayin zafi mai zafi) a gaban tushe mai ƙarfi kamar sodium hydroxide ko acid mai ƙarfi kamar hydrochloric acid ko sulfuric acid, da hydrolyzes zuwa formic acid da dimethylamine.
Yana da tsayayye sosai a cikin iska kuma lokacin zafi zuwa tafasa. Lokacin da zafin jiki ya fi 350 ° C, yana rasa ruwa kuma yana haifar da carbon monoxide da dimethylamine. N, N-dimethylformamide ne mai matukar kyau aprotic iyakacin duniya kaushi wanda zai iya narkar da mafi Organic da inorganic abubuwa kuma shi ne miscible da ruwa, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons da aromatic hydrocarbons. . Ƙarshen ingantaccen cajin kwayoyin N,N-dimethylformamide yana kewaye da ƙungiyoyin methyl, suna kafa shingen littafin sinadarai na sararin samaniya wanda ke hana ions mara kyau daga gabatowa kuma kawai yana haɗuwa da ions masu kyau. Bare anions sun fi aiki fiye da warware anions. Yawancin halayen ionic sun fi sauƙi don aiwatarwa a cikin N, N-dimethylformamide fiye da sauran kaushi na protic. Misali, carboxylates da halogenated hydrocarbons suna amsawa a cikin N, N-dimethylformamide a cikin zafin jiki. , na iya samar da esters tare da yawan amfanin ƙasa, kuma ya dace musamman don haɗakar esters masu hana ruwa gudu.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Ruwa mara launi zuwa rawaya. Yana da wari na musamman. Dan kadan mai narkewa cikin ruwa, mai narkewa a cikin abubuwan kaushi na halitta kamar ethanol, ether, chloroform da benzene. An samo shi daga amsawar aniline da ethyl chloride. Raw kayan amfani da keɓaɓɓen: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Ana iya amfani da shi don shirya dyes azo, dyes triphenylmethane, da dai sauransu. Har ila yau, yana da mahimmancin tsaka-tsaki don hada magunguna da masu samar da fina-finai masu launi, kuma aikace-aikacensa suna da fadi sosai.
Adana : Gidan ajiyar yana da iska kuma an bushe shi a ƙananan zafin jiki; adana dabam daga acid, oxidants da abinci additives. -
Polyethylene-polyamins CAS: 68131-73-7
Polyethylene-polyamins CAS: 68131-73-7
Bayyanar Orange-ja zuwa ruwa mai ɗanɗano mai launin ruwan kasa.
Amfani: Ana amfani da shi don yin guduro musanya anion, ion musayar membrane, danyen mai demulsifier, lubricating mai ƙari, da dai sauransu Har ila yau ana amfani da shi azaman wakili na resin epoxy da ƙari mai ɗorewa na cyanide.
Solubility: mai narkewa a cikin ruwa da ethanol, wanda ba a iya narkewa a cikin ether, cikin sauƙi yana ɗaukar danshi da carbon dioxide a cikin iska, kuma yana samar da gishiri masu dacewa da acid, wanda zai ƙarfafa a ƙananan yanayin zafi.
Yana da matuƙar sauƙin fashewa lokacin da aka fallasa ga tasiri, gogayya, buɗe wuta ko wasu hanyoyin kunna wuta. Ajiye a cikin wuri mai sanyi, bushe da iska wanda aka keɓe don abubuwan fashewa. Yanayin ajiya bai wuce 32 ° C ba kuma dangi zafi bai wuce 80%. Ka nisantar da wuta da tushen zafi. Ya kamata a adana su daban daga oxidants, acids, da alkalis, kuma a guje wa ajiya mai gauraya. An sanye shi da iri-iri masu dacewa da adadin kayan wuta. Ya kamata a samar da kayan da suka dace a cikin wurin ajiya don ɗauke da zubewa. Babu jijjiga, tasiri da gogayya.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
sinadaran Properties
Wannan samfurin yana fitowa daga ruwa kamar farin foda. Solubility a cikin ruwa a 25 ℃ shine 0.5g / L. Ba a narkewa a cikin ruwan sanyi, barasa da sauran kaushi na kwayoyin halitta. Soluble a cikin sodium hydroxide, sodium carbonate da ammonia mafita.
Hanyar samarwa:
Sakamakon ethylenediamine da chloroacetic acid. Ƙara 100kg na chloroacetic acid, 100kg na kankara da 135kg na sodium hydroxide bayani (30%) a cikin kettle dauki, sa'an nan kuma ƙara 18kg na 83% zuwa 84% ethylenediamine karkashin motsawa. Sanya a zazzabi na 15 ° C na awa 1. Ƙara 30Chemicalbook% sodium hydroxide bayani a batches na 10L kowane lokaci. Bayan kowane ƙari, ƙara wani tsari bayan maganin gwajin phenolphthalein bai nuna ja ba. Ajiye a dakin da zafin jiki na awa 12. Yi zafi zuwa 90 ° C kuma canza launin tare da kunna carbon. Tace, wanke ragowar tacewa da ruwa, sannan a ƙarshe daidaita ƙimar pH zuwa 3 tare da acidic hydrochloric. Cool da crystallize, tace kuma a wanke da ruwa har sai babu amsawar ion chloride. Busassun kayayyakin.
Amsar ethylenediamine tare da formaldehyde da sodium cyanide. Mix 60% ethylenediamine ruwa mai ruwa, 30% sodium cyanide aqueous bayani da sodium hydroxide, da kuma kiyaye cakuda a 20 ° C na 0.5h. Sa'an nan kuma ƙara formaldehyde mai ruwa bayani dropwise. Bayan abin da ya faru, littafin sinadarai ya narke kuma ruwan ya ƙafe. Sa'an nan kuma maimaita aikin da ke sama, ƙara yawan formaldehyde na ƙarshe don ƙyale sodium cyanide ya amsa gaba daya. Daidaita pH zuwa 1.2 tare da dilute acid. Farar hazo ta zube, tace, a wanke da ruwa, sannan ta bushe a 110°C. Sami samfurin.
Ethylenediaminetetraacetic acid (EDTA) wani muhimmin hadadden wakili ne. Ana amfani da EDTA ko'ina kuma ana iya amfani dashi azaman mai gyara bleaching a cikin sarrafa kayan kayan hoto mai launi, kayan aikin rini, kayan aikin fiber, kayan kayan kwalliya, anticoagulants na jini, kayan wanka, stabilizers, masu haɓaka roba polymerization na roba, EDTA shine wakilcin wakilcin abubuwan gauraya. Yana iya samar da barga ruwa-mai narkewa sinadaran hadaddun tare da Alkali karafa, rare duniya abubuwa da mika mulki karafa. Baya ga gishirin sodium, akwai kuma gishirin ammonium da gishiri iri-iri kamar baƙin ƙarfe, magnesium, calcium, jan ƙarfe, manganese, zinc, cobalt, da aluminum. Kowane irin wannan gishiri yana da amfani daban-daban. Bugu da kari, ana kuma iya amfani da EDTA don fitar da karafa masu cutarwa da sauri daga jikin dan adam da kuma taka rawa wajen kawar da guba. Har ila yau, wakili ne na maganin ruwa. EDTA kuma alama ce mai mahimmanci, amma ana amfani dashi don titrate karfe nickel, jan karfe, da dai sauransu Lokacin amfani da shi, dole ne a yi amfani da shi tare da ammonia don aiki azaman mai nuna alama. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (kuma aka sani da disodium EDTA) wakili ne mai ƙarfi. Saboda da high kwanciyar hankali akai da kuma m daidaituwa Properties, shi zai iya kusan mu'amala da mafi karfe ions sai alkali karafa (Kamar baƙin ƙarfe, jan karfe, alli, magnesium da sauran multivalent ions) chelate zuwa samar da barga ruwa-mai narkewa gidaje, kawar da karfe ions ko illolin cutarwa da su ke haifarwa.
Disodium EDTA wani farin crystalline foda ne wanda ke narkewa a cikin ruwa kuma kusan ba zai iya narkewa a cikin ethanol da ether. Ƙimar pH na maganin ruwa mai ruwa yana kusan 5.3 kuma ana amfani dashi a cikin kayan wanka, kayan aikin rini, masu sarrafa fiber, kayan kwaskwarima, kayan abinci na abinci, ƙananan taki na noma da Mariculture, da dai sauransu.
Ana amfani da disodium ethylenediaminetetraacetate a cikin abinci, magunguna, kayan kwalliya da sauran samfuran. Ana iya amfani da disodium ethylenediaminetetraacetate-abinci azaman stabilizer, coagulant, antioxidant da preservative, kuma yana iya kare launi da tsayayya da iskar shaka. , anti-lalata synergy da stabilizing sakamako. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) ya ƙunshi ƙungiyoyin carboxyl guda 4 kuma gabaɗaya yana iya samar da disalt, trisalt da tetrasalt. Gishirin EDTA na yau da kullun sun haɗa da disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) da ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) ƙananan ƙwayoyin cuta ne masu aiki da yawa waɗanda ke ɗauke da amino da ƙungiyoyin carboxyl. Ana amfani dashi sosai a cikin ilmin sunadarai a matsayin wakili mai rikitarwa.
sinadarai: White crystalline foda. Mai narkewa a cikin ruwa da acid, maras narkewa a cikin barasa, benzene da chloroform.
Tetrasodium EDTA shine mahimmin haɗe-haɗe da wakili na mashin ƙarfe. Ana iya amfani dashi a cikin rini a cikin masana'antar yadi, ingancin ruwa mai inganci, hoto mai launi, magani, sinadarai na yau da kullun, yin takarda da sauran masana'antu, azaman ƙari, mai kunnawa, mai tsarkake ruwa, wakili na ƙarfe ion masking da activator a cikin masana'antar roba ta styrene-butadiene. . A cikin bushe tsari acrylic masana'antu, shi zai iya biya diyya karfe tsangwama da inganta launi da haske na rini yadudduka. Hakanan za'a iya amfani dashi a cikin kayan wanka na ruwa don inganta ingancin wankewa da haɓaka tasirin wankewa. -
Tris (dimethylaminomethyl) phenol CAS 90-72-2
Tris (dimethylaminomethyl) phenol
Saukewa: CAS90-72-2
Hanyar masana'anta
Ƙara phenol da 40% dimethylamine bayani mai ruwa a cikin tukunyar amsawa, motsawa kuma gauraya daidai, sanyi zuwa ƙasa da 20 ° C, a hankali ƙara 30% formaldehyde aqueous bayani a ƙarƙashin motsawa, da sarrafawa don kammala ƙari a ƙasa 30 ° C. Ci gaba da motsawa a 25-30 ° C na sa'a 1, sa'an nan kuma ƙara yawan zafin jiki zuwa 90-95 ° C kuma sake dawowa na 2 hours. Ƙara gishiri don raba lokacin ruwa, kuma raba layin mai don raguwa a ƙarƙashin rage matsa lamba don samun samfurin da aka gama. Abubuwan da ke cikin samfuran masana'antu sun wuce 95%.
Bayyanar: Ruwa mara launi ko rawaya mai haske. Mai ƙonewa.
Ana amfani da shi azaman wakili na warkewa don resins epoxy, adhesives, sealants don kayan laminate da benaye, masu hana ruwa acid da masu kara kuzari a cikin samar da polyurethane. -
DIETHYLENE TRIAMIN (DETA) 111-40-0
DIETHYLENE TRIAMIN (DETA) 111-40-0
yanayi
Yellow hygroscopic m danko ruwa tare da pungent ammoniya wari, flammable da karfi alkaline. Mai narkewa a cikin ruwa, acetone, benzene, ether, methanol, da dai sauransu, wanda ba zai iya narkewa a cikin n-heptane, kuma yana lalata tagulla da kayan haɗin gwiwa. Matsayin narkewa -35 ℃. Wurin tafasa 207 ℃. Dangantaka yawa o. 9586. Flash point 94 ℃. Refractive index 1. 4810. Wannan samfurin yana da reactivity na sakandare amines da sauƙi reacts tare da iri-iri mahadi. Abubuwan da suka samo asali na sa suna da fa'idar amfani.
amfani
Ana amfani da wannan samfurin a matsayin matsakaicin ƙarfi da haɗin gwal, kuma ana iya amfani dashi don shirya magunguna na resin epoxy, gas purifiers (don cirewar CO2), lubricating additives mai, emulsifiers, sinadarai na hoto, surfactants, da masana'anta gama gari. , Mai haɓaka takarda, wakili mai haɗaɗɗen aminocarboxylic, wakili na chelating karfe, ƙarfe mai nauyi hydrometallurgy da wakili mai yaɗawa na cyanide mara amfani, mai haske, da guduro na musanya ion roba da guduro polyamide, da sauransu. -
N, N-dimethylethanolamine CAS: 108-01-0
N, N-dimethylethanolamine CAS: 108-01-0
Ruwa ne mara launi mai kamshi. Ƙofar ƙamshi: 0.25 ppm. Nauyin kwayoyin halitta 5 89.16; Tushen tafasa = 133 ℃; Daskarewa/Narkewa=259℃; Ma'anar Flash = 41 ℃ (oc); Yanayin zafin jiki na atomatik 5 = 295 ℃. Iyakar fashewa: LEL 5=1.6%;UEL 5=11.9%. Ƙididdigar haɗari (dangane da NFPA-704M Rating System): Lafiya 2, Flammability 2, Reactivity 0.Soluble a cikin ruwa.
An kuma san shi da dimethylaminoethanol. Nazarin yana nuna kaddarorin da ke tabbatar da fata, da kuma ikon rage fitowar layukan lallausan layukan da aka yi da kuma da'ira mai duhu a ƙarƙashin idanu. An dauke shi anti-tsufa, da anti-mai kumburi, kuma ya nuna ayyukan ɓarke free-radical. Har ila yau, ana amfani da shi azaman mai hana lalata, wakili na anti-scaling, additive fenti, additive additive da daskararrun rabuwa. Hakanan ana amfani dashi azaman matsakaici don kayan aikin magunguna masu aiki da rini. Yana aiki azaman wakili na warkewa don polyurethane da resin epoxy. Bugu da ari, ana amfani dashi azaman ƙari ga ruwan tukunyar jirgi. Baya ga wannan, ana amfani da ita ta hanyar warkewa azaman abin motsa jiki na CNS.
