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N-Methylformamide (NMF) CAS：123-39-7
N-Methylformamide (NMF) CAS：123-39-7
N-methylformamide e hloekileng ke mokelikeli o se nang 'mala, o bonaletsang le o tiileng, mp-3.8℃, bp198℃, n25D 1.4310, tekanyo e lekanyelitsoeng ea 0.9986 (25℃), e qhibilihang ka metsing, e ka boela ea qhala matsoai a sa pheleng, 'me e na le hygroscopic. E bola habonolo ka har'a litharollo tse nang le asiti kapa alkaline.
N-methylformamide ke thepa ea bohlokoa ea maiketsetso ea tlhaho. E sebelisoa ho kopanyeng chefo e bolaeang likokoanyana, chefo e bolaeang likokoanyana le li-acaricides monoformamidine le diformamidine. E boetse e sebelisoa tlhahisong ea meriana, letlalo la maiketsetso, letlalo la maiketsetso, le e le tharollo bakeng sa masela a lik'hemik'hale a faeba.
Mokhoa oa tlhahiso 1. Mokhoa oa methylamine o hlahisoa ke karabelo ea methylamine le carbon monoxide. 2. Mokhoa oa methyl formate o fumanoa ka karabelo ea methyl formate le methylamine. 3. E fumanoa ho tsoa karabelong ea ethyl formate le methylamine. Kenya ethyl formate ka har'a reactor, eketsa tharollo ea metsi ea methylamine tlas'a ho pholisa, 'me u khutlisetse karabelo ho 40°C. Eaba e tloheloa matsatsi a 3, 'me ethanol e khutlisetsoa tlas'a khatello e fokotsehileng ho fumana sehlahisoa se tala. Sehlahisoa se felileng se fumanoa ka ho qhala tlas'a khatello e fokotsehileng.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine ke sehlopha sa bohlokoa sa lik'hemik'hale tse sebelisoang haholo e le thepa e tala, li-intermediate kapa lihlahisoa. Mohlala, diamine ke yuniti ea bohlokoa ea sebopeho ho etseng polyamide le liketso tse ling tsa condensation polymerization. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) ke karolo ea bohlokoa ea bohareng, e sebelisoang mohlala ho lokiseng li-lubricant tsa indasteri. Ho phaella moo, DMAPA e sebelisoa e le thepa e tala bakeng sa ho lokisa li-coagulant 'me ka boeona e lokela ho ba le thepa ea ho loantša ho bola.
Ke mokelikeli o bonaletsang o se nang 'mala. O qhibiliha ka metsing le li-solvents tsa tlhaho. E sebelisoa haholo tlhahisong ea lisebelisoa tse tala tsa litlolo, tse kang palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, jj.
Ho sebelisoa dimethylaminopropionitrile [1738-25-6] e le thepa e tala, hydrogenation le methanol lia eketsoa moo ho nang le Ni-Al catalyst, ebe lia sefshoa le ho hloekisoa ho fumana sehlahisoa se felileng sa 3-dimethylaminopropylamine. Bohloeki ba sehlahisoa se fumanoeng bo ka fihla ho feta 99%, 'me thane e' ngoe le e 'ngoe ea sehlahisoa e ja 1150kg ea dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) ke mokelikeli o mosehla o bobebe le karolo e bohareng ea dae. E sebelisoa ho hlahisa lidae tsa cationic, joalo ka cationic red 6B. E boetse e sebelisoa e le thepa e tala bakeng sa tlhahiso ea bahlahisi ba mebala le meriana.
Tšebeliso: 1. Lisebelisoa tsa ho daea tse mahareng.
Ea bobeli, e sebelisetsoa ho hlahisa lidae tsa cationic, tse kang cationic red 6B.
3. E sebelisoa e le thepa e tala bakeng sa tlhahiso ea bahlahisi ba mebala le meriana.
mokhoa oa tlhahiso
1. mokhoa oa m-toluidine
E lokisitsoe ka m-toluidine le ethyl iodide e le thepa e tala.
Mokhoa oa bobeli, N-ethyl m-toluidine
E lokisoa ka ho sebelisa N-ethyl m-toluidine e le thepa e tala 'me e arabela le chloroethanol (kapa ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide ke mokelikeli o se nang 'mala le o bonaletsang. Hase feela thepa e tala ea lik'hemik'hale e sebelisoang haholo, empa hape ke tharollo e ntle haholo e nang le mefuta e mengata ea ts'ebeliso. Dimethylformamide ke thepa ea bohlokoa bakeng sa meriana, petrochemical, letlalo le liindasteri tse ling.
Dimethylformamide e bitsoa DMF. Ke motsoako oo sehlopha sa hydroxyl sa formic acid se nkeloang sebaka ke sehlopha sa dimethylamino, ka foromo ea molek'hule ea HCON(CH3)2. Ke mokelikeli o nang le ntlha e belang e se nang 'mala le e bonaletsang e nang le monko o bobebe oa amine le boima bo lekanyelitsoeng ba 0.9445 (25℃). Ntlha ea ho qhibiliha -61℃. Ntlha ea ho belisa 152.8℃. Ntlha ea Flash 57.78℃. Boima ba mouoane 2.51. Khatello ea mouoane 0.49kpa (3.7mmHg25℃). Ntlha ea ho iketsa mollo ke 445℃. Moeli oa ho phatloha ha mouoane le moea ke 2.2~15.2%. Ho pepesehela malakabe a bulehileng le mocheso o phahameng ho ka baka ho tuka le ho phatloha. E ka arabela ka matla ka sulfuric acid e matla le nitric acid e tukang 'me ea phatloha. E kopantsoe le metsi le boholo ba li-solvents tsa organic Chemicalbook. Ke solvent e tloaelehileng bakeng sa lik'hemik'hale. Dimethylformamide e hloekileng ha e na monko o monate, empa dimethylformamide ea maemo a indasteri kapa e senyehileng e na le monko o kang oa tlhapi hobane e na le litšila tsa dimethylamine. Lebitso lena le tsoa 'neteng ea hore ke sebaka sa dimethyl sa formamide (amide ea formic acid),' me lihlopha ka bobeli tsa methyl li fumaneha holim'a athomo ea N (naetrojene). Dimethylformamide ke tharollo ea polar (hydrophilic) aprotic e nang le ntlha e phahameng ea ho belisa, e ka khothalletsang mokhoa oa karabelo ea SN2. Dimethylformamide e entsoe ka formic acid le dimethylamine. Dimethylformamide ha e tsitse (haholo-holo mochesong o phahameng) moo ho nang le metheo e matla joalo ka sodium hydroxide kapa li-acid tse matla joalo ka hydrochloric acid kapa sulfuric acid, 'me e fetoha formic acid le dimethylamine.
E tsitsitse haholo moeeng le ha e futhumatsoa ho fihlela e bela. Ha mocheso o phahame ho feta 350°C, e lahleheloa ke metsi mme e hlahisa carbon monoxide le dimethylamine. N,N-dimethylformamide ke tharollo e ntle haholo ea aprotic polar e ka qhalang lintho tse ngata tsa tlhaho le tse sa tloaelehang 'me e kopanngoa le metsi, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons le aromatic hydrocarbons. . Qetello e nang le positive charged ea molek'hule ea N,N-dimethylformamide e pota-potiloe ke lihlopha tsa methyl, e etsang mokoallo oa sebaka oa Chemicalbook o thibelang li-ion tse mpe ho atamela 'me o amahanya li-ion tse ntle feela. Li-anion tse se nang letho li sebetsa haholo ho feta li-anion tse rarollotsoeng. Likarabelo tse ngata tsa ionic li bonolo ho li etsa ho N,N-dimethylformamide ho feta ho li-solvents tse akaretsang tsa protic. Mohlala, li-carboxylate le li-hydrocarbons tsa halogenated li arabela ho N,N-dimethylformamide mochesong oa kamore. , li ka hlahisa li-ester tse nang le chai e ngata, 'me li loketse haholo ho etsoa ha li-ester tse sitisoang ke sterically.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Mokelikeli o se nang 'mala ho isa ho o mosehla. O na le monko o ikhethang. O qhibiliha hanyane ka metsing, o qhibiliha ka har'a metsoako ea lintho tse phelang tse kang ethanol, ether, chloroform le benzene. E tsoa karabelong ea aniline le ethyl chloride. Tekanyo ea tšebeliso ea thepa e tala: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
E ka sebelisoa ho lokisa lidae tsa azo, lidae tsa triphenylmethane, jj. Hape ke karolo ea bohlokoa bakeng sa ho kopanya lithethefatsi le bahlahisi ba filimi ea mebala, 'me ts'ebeliso ea eona e pharaletse haholo.
Polokelo: Ntlo ea polokelo e na le moea o kenang le o omileng mochesong o tlase; e bolokiloe ka thoko ho li-acid, li-oxidant le lintho tse eketsang lijo. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Ponahalo: Mokelikeli o nang le 'mala oa lamunu-bofubelu ho isa ho sootho.
Tšebeliso: E sebelisoa bakeng sa ho etsa resin ea phapanyetsano ea anion, lera la phapanyetsano ea ion, demulsifier ea oli e tala, setlolo sa oli se tlotsang, jj. E boetse e sebelisoa e le sesebelisoa sa ho phekola resin ea epoxy le setlolo se se nang cyanide.
Ho qhibiliha: e qhibilihang ka metsing le ethanol, ha e qhibilihe ka har'a ether, e monya mongobo le carbon dioxide habonolo moeeng, 'me e etsa letsoai le tsamaellanang le li-acid, tse tla tiea mochesong o tlase.
Ho bonolo haholo ho phatloha ha ho pepesehetse ho thula, khohlano, malakabe a bulehileng kapa mehloli e meng ea ho hotetsa. Boloka ka tlung e pholileng, e omileng le e nang le moea o kenang e inehetseng ho liqhomane. Mocheso oa polokelo ha o fete 32°C 'me mongobo o lekanyelitsoeng ha o fete 80%. Boloka hole le mehloli ea mollo le mocheso. Li lokela ho bolokoa ka thoko ho li-oxidants, li-acid le li-alkali, 'me u qobe polokelo e tsoakiloeng. Li hlomelitsoe ka mefuta e fapaneng le bongata bo loketseng ba lisebelisoa tsa mollo. Lisebelisoa tse loketseng li lokela ho fumaneha sebakeng sa polokelo ho thibela ho tšoloha. Ha ho thothomelo, ho thula le ho thula.
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Asiti ea Ethylenediaminetetraacetic CAS: 60-00-4
Asiti ea Ethylenediaminetetraacetic CAS: 60-00-4
thepa ea lik'hemik'hale
Sehlahisoa sena se qhibilihisa metsi e le phofo e tšoeu. Ho qhibiliha ha metsi ka mocheso oa 25℃ ke 0.5g/L. Ha e qhibilihe metsing a batang, joala le metsoako e akaretsang ea lintho tse phelang. E qhibiliha ka har'a sodium hydroxide, sodium carbonate le litharollo tsa ammonia.
Mokhoa oa tlhahiso:
Karabelo ea ethylenediamine le chloroacetic acid. Kenya 100kg ea chloroacetic acid, 100kg ea leqhoa le 135kg ea tharollo ea sodium hydroxide (30%) ka ketleleng ea karabelo, ebe u eketsa 18kg ea 83% ho isa ho 84% ea ethylenediamine tlas'a ho hlohlelletsa. E futhumale ho 15°C ka hora e le 'ngoe. Kenya tharollo ea 30Chemicalbook% sodium hydroxide ka lihlopha tsa 10L nako le nako. Kamora ho eketsa ka 'ngoe, eketsa sehlopha se seng kamora hore tharollo ea teko ea phenolphthalein e se ke ea bontša bofubelu. Boloka mochesong oa kamore lihora tse 12. Chesa ho fihlela ho 90°C 'me u ntše 'mala ka carbon e sebetsang. Sefa, hlatsoa masala a sefe ka metsi, 'me qetellong u fetole boleng ba pH ho 3 ka hydrochloric acid e matlafalitsoeng. Pholisa 'me u etse kristale, sefa 'me u hlatsoe ka metsi ho fihlela ho se na karabelo ea chloride ion. Lihlahisoa tse omisitsoeng.
Karabelo ea ethylenediamine le formaldehyde le sodium cyanide. Kopanya tharollo ea metsi ea 60% ea ethylenediamine, tharollo ea metsi ea 30% ea sodium cyanide le sodium hydroxide, 'me u boloke motsoako ho 20°C ka lihora tse 0.5. Ebe u eketsa tharollo ea metsi ea formaldehyde ka ho theoha. Kamora karabelo, buka ea lik'hemik'hale e ile ea tlosoa 'me metsi a fetoha mouoane. Ebe u pheta ts'ebetso e boletsoeng ka holimo, u eketsa formaldehyde e feteletseng ka lekhetlo la ho qetela ho lumella sodium cyanide ho arabela ka botlalo. Fetola pH ho 1.2 ka asiti e hlapollotsoeng. Precipitate e tšoeu e ile ea potlaka, ea sefshoa, ea hlatsuoa ka metsi, 'me ea omisoa ho 110°C. Fumana sehlahisoa.
Ethylenediaminetetraacetic acid (EDTA) ke sesebelisoa sa bohlokoa sa ho kopanya lintho. EDTA e sebelisoa haholo 'me e ka sebelisoa e le sesebelisoa sa ho soeufatsa lintho ha ho sebetsoa lisebelisoa tse nang le 'mala o bobebe, lintho tse thusang ho daea, lintho tse thusang ho sebetsana le fiber, lintho tse eketsang botle, lintho tse thibelang ho ruruha ha mali, sesepa, lintho tse tsitsitseng, lintho tse qalang ho etsa polymerization ea rabara ea maiketsetso, EDTA ke chelate. E ka etsa metsoako ea lik'hemik'hale tse qhibilihang ka metsing tse tsitsitseng ka litšepe tsa alkali, likarolo tsa lefats'e tse sa tloaelehang le litšepe tsa phetoho. Ntle le letsoai la sodium, ho boetse ho na le letsoai la ammonium le matsoai a fapaneng a kang tšepe, magnesium, calcium, koporo, manganese, zinki, cobalt le aluminium. Letsoai le leng le le leng le na le ts'ebeliso e fapaneng. Ho phaella moo, EDTA e ka boela ea sebelisoa ho ntša litšepe tse kotsi tse nang le mahlaseli a kotsi 'meleng oa motho ka potlako le ho bapala karolo ea ho ntša chefo. Hape ke sesebelisoa sa kalafo ea metsi. EDTA hape ke sesupo sa bohlokoa, empa e sebelisetsoa ho ntsha nickel ea tšepe, koporo, jj. Ha e sebelisoa, e tlameha ho sebelisoa hammoho le ammonia ho sebetsa e le sesupo. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (e tsejoang hape e le disodium EDTA) ke moemeli ea matla oa chelating. Ka lebaka la botsitso ba eona bo phahameng ba ho tsitsisa le ho hokahanya ho pharaletseng, e ka batla e sebelisana le li-ion tse ngata tsa tšepe ntle le litšepe tsa alkali (tse kang tšepe, koporo, calcium, magnesium le li-ion tse ling tse ngata) chelate ho theha metsoako e tsitsitseng e qhibilihang metsing, e felisa li-ion tsa tšepe kapa liketso tse kotsi tse bakoang ke tsona.
Disodium EDTA ke phofo e tšoeu e kristale e qhibilihang metsing mme e batla e sa qhibilihe ka har'a ethanol le ether. Boleng ba pH ba tharollo ea eona ea metsi ke hoo e ka bang 5.3 'me e sebelisoa ho sesepa, lisebelisoa tsa ho daea, lisebelisoa tsa ho sebetsana le faeba, lintho tse eketsang botle, lintho tse eketsang lijo, manyolo a manyane a temo le Mariculture, jj.
Disodium ethylenediaminetetraacetate e sebediswa dijong, merianeng, ditlolong le dihlahisweng tse ding. Disodium ethylenediaminetetraacetate ya maemo a dijo e ka sebediswa e le stabilizer, coagulant, antioxidant le preservative, mme e ka sireletsa mmala le ho hanela oxidation. , anti-corrosion synergy le staticization effect. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) e na le lihlopha tse 4 tsa carboxyl 'me ka kakaretso e ka etsa disalt, trisalt le tetrasalt. Matsoai a tloaelehileng a EDTA a kenyelletsa disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) le ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) ke molek'hule e nyane ea tlhaho e nang le lihlopha tsa amino le carboxyl. E sebelisoa haholo k'hemistri ea tlhahlobo e le moemeli ea rarahaneng.
Thepa ea lik'hemik'hale: Phofo e tšoeu ea kristale. E qhibiliha ka metsing le asiti, ha e qhibilihe ka har'a joala, benzene le chloroform.
Tetrasodium EDTA ke sesebelisoa sa bohlokoa sa ho rarahana le ho koahela tšepe. E ka sebelisoa ho daeng indastering ea masela, kalafo ea boleng ba metsi, ho utloa 'mala habonolo, meriana, lik'hemik'hale tsa letsatsi le letsatsi, ho etsa pampiri le liindasteri tse ling, e le sesebelisoa se eketsang, se susumetsang, se hloekisang metsi, sesebelisoa sa ho koala li-ion tsa tšepe le se susumetsang indastering ea rabara ea styrene-butadiene. Indastering ea acrylic ea ts'ebetso e omileng, e ka thibela tšitiso ea tšepe le ho ntlafatsa 'mala le khanya ea masela a dailoeng. E ka boela ea sebelisoa lisepeng tse metsi ho ntlafatsa boleng ba ho hlatsoa le ho ntlafatsa phello ea ho hlatsoa. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Phenol ea Tris (dimethylaminomethyl)
CAS 90-72-2
Mokhoa oa tlhahiso
Kenya phenol le tharollo ea metsi ea 40% dimethylamine ka ketleleng ea karabelo, hlohlelletsa 'me u kopanye ka ho lekana, u pholise ho fihlela ka tlase ho 20°C, butle-butle eketsa tharollo ea metsi ea formaldehyde ea 30% tlas'a ho hlohlelletsa, 'me u laole ho phethela ho eketsa ka tlase ho 30°C. Tsoela pele ho hlohlelletsa ho 25-30°C ka hora e le' ngoe, ebe u phahamisa mocheso ho 90-95°C ebe u khutlela morao lihora tse 2. Kenya letsoai ho arola karolo ea metsi, 'me u arole lera la oli bakeng sa ho aroloa tlas'a khatello e fokotsehileng ho fumana sehlahisoa se felileng. Sekhahla sa sehlahisoa sa indasteri se feta 95%.
Ponahalo: Mokelikeli o bonaletsang o se nang 'mala kapa o mosehla o bobebe. Oa tuka.
E sebelisoa e le sesebelisoa sa ho phekola bakeng sa li-resin tsa epoxy tse behang thermosetting, likhomaretsi, li-sealant bakeng sa thepa ea laminate le fatše, li-neutralizer tsa asiti le li-catalyst tlhahisong ea polyurethane. -
DIETHYLENE TRIAMINE (DETA) 111-40-0
DIETHYLENE TRIAMINE (DETA) 111-40-0
tlhaho
Mokelikeli o mosehla o bonaletsang o nang le monko o matla oa ammonia, o tukang habonolo ebile o na le alkaline e matla. O qhibiliha ka metsing, acetone, benzene, ether, methanol, jj., ha o qhibilihe ka har'a n-heptane, 'me o senya koporo le metsoako ea eona. Ntlha ea ho qhibiliha -35℃. Ntlha ea ho belisa 207℃. Bongata bo amanang o. 9586. Ntlha ea ho fifala 94℃. Index ea refractive 1. 4810. Sehlahisoa sena se na le reactivity ea li-amine tsa bobeli 'me se arabela habonolo ka metsoako e fapaneng. Li-derivatives tsa sona li na le mefuta e mengata ea ts'ebeliso.
sebelisa
Sehlahisoa sena se sebelisoa haholo-holo e le sesebelisoa sa ho qhibilihisa le sa ho kopanya lintho tse phelang, 'me se ka sebelisoa ho lokisa li-epoxy resin curing agents, li-purifier tsa khase (bakeng sa ho tlosa CO2), li-additives tsa oli ea ho tlotsa, li-emulsifiers, lik'hemik'hale tsa lifoto, li-surfactants, le li-agent tsa ho qeta lesela. , enhancer ea pampiri, aminocarboxylic complexing agent, tšepe ea chelating agent, heavy metallurgy le cyanide-free electroplating diffusion agent, brightener, le synthetic ion exchange resin le polyamide resin, jj. -
N,N-dimethylethanolamine CAS: 108-01-0
N,N-dimethylethanolamine CAS: 108-01-0
Ke mokelikeli o se nang 'mala o nang le monko o bohale. Moeli o mobe: 0.25 ppm. Boima ba limolek'hule 5 89.16; Ntlha ea ho belisa =133℃; Ho hoama/Ntlha ea ho qhibiliha=259℃; Ntlha ea ho phatloha =41℃ (oc); Mocheso oa ho iketsa 5=295℃. Meeli ea ho phatloha: LEL 5=1.6%;UEL 5=11.9%. Tlhahlobo ea Kotsi (e ipapisitse le Sistimi ea Tekanyetso ea NFPA-704M): Bophelo bo Botle 2, Ho Chesa 2, Reactivity 0. E qhibiliha ka metsing.
E boetse e tsejoa e le dimethylaminoethanol. Lithuto li bontša thepa ea ho tiisa letlalo, le bokhoni ba ho fokotsa ponahalo ea mela e menyenyane le makukuno hammoho le didikadikwe tse lefifi tlas'a mahlo. E nkoa e le khahlanong le botsofali, le ho thibela ho ruruha, 'me e bontšitse ts'ebetso ea ho tlosa makhopho ka bolokolohi. E boetse e sebelisoa e le thibelo ea makhopho, moemeli oa ho thibela ho hola, setlatsetso sa pente, setlatsetso sa ho koahela le moemeli oa karohano ea lintho tse tiileng. E boetse e sebelisoa e le sebui sa metsoako le lidae tse sebetsang tsa meriana. E sebetsa e le moemeli oa ho phekola bakeng sa polyurethanes le epoxy resins. Ho feta moo, e sebelisoa e le setlatsetso metsing a boiler. Ho phaella ho sena, e sebelisoa ka mokhoa oa phekolo e le setlatsetso sa CNS.
