-
4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Lisebelisuoa tse tala: cycloalkylamines, monoamine e nkhang hamonate, polyamine e nkhang hamonate le derivatives le letsoai.Ponahalo ke kristale e tšoeu.Haholo e sebelisoa bakeng sa li-intermediates tsa organic synthesis, synthesis ea organic functional materials le meriana, hammoho le photochemistry le liquid crystal intermediates. Ha e kenelle ka metsing. E qhibiliha ka benzene, toluene,methanol, ethanol
-
N, N-Dimethylacetamide CAS: 127-19-5
N, N-Dimethylacetamide CAS: 127-19-5
Thepa ea lik'hemik'hale: Thepa ea lik'hemik'hale e tšoana haholo le N,N-dimethylformamide, 'me ke moemeli oa amide solvent. Ha ho se na asiti kapa alkali, e ke ke ea bola ha e futhumala ho belisa tlas'a khatello e tloaelehileng, kahoo e ka tšeloa tlas'a khatello e tloaelehileng. Sekhahla sa hydrolysis se tsamaea butle haholo. Ha N, N-dimethylacetamide e nang le metsi a 5% e futhumetse ho 95 ° C bakeng sa lihora tsa 140, ke 0.02% feela e nang le hydrolyzed. Leha ho le joalo, ka boteng ba asiti le alkali, sekhahla sa hydrolysis sea eketseha. Saponification e etsahala ha e futhumetse ka pel'a alkali e matla.
kopo
1. Pharmaceutical intermediate dimethylacetamide ke thepa e tala ea bohlokoa ea meriana 'me e sebelisoa haholo ho hlahisa amoxicillin, cephalosporins le lithethefatsi tse ling. E le solvent kapa cocatalyst, dimethylacetamide e ka ntlafatsa boleng ba sehlahisoa le chai ha e bapisoa le lihlahisoa tsa setso tsa tlhaho. Ka 2000, tlhoko ea dimethylacetamide indastering ea meriana e ne e ka ba 6kt. Tlhokahalo ea dimethylacetamide ka 2006 e ne e ka ba 9.6kt. 2. Tlhahiso ea fiber ea Acrylic Ha ho etsoa fiber ea acrylic, ba bang ba sebelisa tsela ea dimethylacetamide. Hona joale, tlhahiso ea malapeng ea acrylic fiber Chemicalbook haholo-holo e kenyelletsa sodium thiocyanate mokhoa oa mehato e 'meli, dimethylformamide mokhoa oa mohato o le mong le dimethylacetamide organic wet method ho latela solvents. Ho ea ka pono ea litšoaneleho tsa ts'ebetso le lisebelisoa, ts'ebeliso ea thepa, phello ea tikoloho, boleng ba sehlahisoa, Lintlha tse ngata tse kang ts'ebetso ea morao-rao, sekhahla sa libaka le mekhoa ea ntlafatso ea kantle ho naha li ekelitse lipatlisiso tsa kopo le boiteko ba ho phahamisa. Dimethylacetamide e ne e sebelisoa e le papiso e akaretsang. Ho ile ha sebelisoa mokhoa oa mehato e 'meli ea sodium thiocyanate le dimethylacetamide organic wet method. Tsoelo-pele e tšepisang ka ho fetisisa. Hona joale, lisebelisoa tse ngata tsa acrylic fiber Chaena li sebelisa mekhoa ea metsi e sebelisang dimethylacetamide e le solvent. -
Allyl joala CAS: 107-18-6
Allyl joala CAS: 107-18-6
tlhaho
Mokelikeli o senang mmala o monko o monate oa mosetareta. Boima ba kamano o. 8520. Sebaka sa leqhoa -129℃. Sebaka se belang 96.9℃. Thempereichara ea bohlokoa ke 271.9 ℃. Ntlha ea Flash (kopi e koetsoeng) 22.2℃. E fetoha vitreous ho -190 ℃. Refractive index 1. 4132. E kopantsoe le metsi, ether, ethanol, chloroform le petroleum ether.
tshebediso
Ke sebaka sa mahareng bakeng sa tlhahiso ea glycerin, meriana, chefo e bolaeang likokoanyana, linoko le litlolo, hape ke thepa e tala bakeng sa tlhahiso ea diallyl phthalate resin le bis(2,3-bromopropyl)fumarate. Lintho tse tsoang ho silane tsa joala ba allyl le li-copolymers tse nang le styrene li sebelisoa haholo ho koahela le likhalase.
indasteri ea fiber. Allyl urethane e ka sebelisoa lijaneng tsa photosensitive polyurethane le liindasteri tsa ho lahla.
polokeho
E na le monko o khethehileng 'me e ka koatisa mahlo, letlalo, 'metso le lera la mucous. Maemong a boima, e ka baka bofofu. Ho khomarela letlalo ho ka etsa hore e be khubelu 'me e baka ho chesa,' me e kenngoa ka potlako ka letlalo, e baka mafu a sebete, nephritis, hematuria le matšoao a mang. E 'ngoe ea lino tse tahang tse chefo ka ho fetisisa, molomo oa LD50 ka likhoto ke 64rng / kg. Molomo oa ntja LD50 40mg/kg. Boemo bo phahameng bo lumelletsoeng moeeng sebakeng sa tlhahiso ke 5rng/m3. Nakong ena ea mahloriso, ho teneha ho matla haholo 'me ho ke ke ha mamelloa ka nako e telele. Haeba e fafatsa letlalong, e hlatsoe ka metsi 'me u sebelise moriana o entsoeng ka grease. Apara lisebelisoa tse sireletsang ha u sebetsa. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine e lokiselitsoe ka ho sebelisa aniline e le lisebelisoa tse tala le hydrogenating ka mocheso o phahameng le khatello e phahameng ka pel'a mokelikeli.
E sebelisoa haholo e le setsi sa organic synthesis 'me e ka sebelisoa ho lokisetsa li-intermediates tsa dae, li-accelerators tsa rabara, lipente tsa nitrocellulose, likokoanyana tse bolaeang likokoanyana, li-preservatives, li-preservatives, li-inhibitors tsa khase ea corrosion le mafura a li-antioxidant lik'hemik'hale tsa buka ea lik'hemik'hale, joalo-joalo. . Matsoai a mafura a acid le sulfate a dicyclohexylamine a na le thepa ea ho tlosa litšila ea sesepa 'me a sebelisoa indastering ea khatiso, ea ho daea le ea masela. Mehaho ea eona ea tšepe e sebelisoa e le li-catalysts tsa li-inks le lipente.
Mokelikeli o se nang mebala le o bonaletsang oa oli o monko o monate oa ammonia. E qhibiliha hanyenyane ka metsing, e tsoakana le metsoako ea tlhaho. -
N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
Pure N-methylformamide ke mokelikeli o se nang 'mala, o bonaletsang ebile o na le viscous, mp-3.8℃, bp198℃, n25D 1.4310, boima bo lekanang 0.9986 (25℃), bo qhibilihang ka metsing, hape bo ka qhibiliha matsoai a inorganic, 'me ke hygroscopic. E bola habonolo ka litharollo tsa asiti kapa alkaline.
N-methylformamide ke thepa e tala ea bohlokoa ea organic synthetic. E sebelisoa ho kopantseng chefo e bolaeang likokoanyana, meriana e bolaeang likokoanyana le acaricides monoformamidine le diformamidine. E boetse e sebelisoa tlhahisong ea meriana, letlalo la maiketsetso, matlalo a maiketsetso, hape e le motsoako oa masela a fiber a lik'hemik'hale. .
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 fumanoe ka karabelo ea ethyl formate le methylamine. Eketsa ethyl formate ka har'a reactor, eketsa methylamine aqueous solution tlas'a pholileng, 'me u fetole karabelo ho 40°C. Ka mor'a moo e ile ea siuoa ka matsatsi a 3, 'me ethanol e ile ea fumanoa tlas'a khatello e fokolang ea ho fumana sehlahisoa se sa jeleng paate. Sehlahisoa se phethiloeng se fumanoa ka distillation tlas'a khatello e fokotsehileng.
-
3-Dimethylaminopropylamine CAS: 109-55-7
Diamine ke sehlopha sa bohlokoa sa lik'hemik'hale tse sebelisoang haholo e le lisebelisoa tse tala, li-intermediate kapa lihlahisoa. Mohlala, diamine ke yuniti ea bohlokoa ea sebopeho se kopaneng sa polyamide le likarolo tse ling tsa condensation polymerization. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMPA) ke setsi sa bohlokoa sa lipakeng, se sebelisoang ka mohlala ho lokiseng liindasteri tsa lubricant. Ntle le moo, DMPA e sebelisoa e le thepa e tala bakeng sa ho lokisoa ha li-coagulants mme ka boeona e lokela ho ba le thepa ea Anti-corrosion.
Ke mokelikeli o bonaletsang o se nang 'mala. E qhibilihang ka metsing le ka har'a li-solvents. E sebelisoa haholo ha ho etsoa lisebelisoa tse tala tsa litlolo, tse kang palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, joalo-joalo.
Ho sebelisa dimethylaminopropionitrile [1738-25-6] e le lisebelisoa tse tala, hydrogenation le methanol li kenngoa ka pel'a Ni-Al catalyst, ebe li hloekisoa le ho silafatsoa ho fumana sehlahisoa se felileng sa 3-dimethylaminopropylamine. Ho hloeka ha sehlahisoa se fumanoeng ho ka fihla ho feta 99%, 'me tone 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 dae e bohareng. E sebelisetsoa ho hlahisa lidae tsa cationic, tse kang cationic red 6B. E boetse e sebelisoa e le thepa e tala bakeng sa tlhahiso ea baetsi ba mebala le meriana.
Tšebeliso: 1. Li-intermediates tsa dae.
Ea bobeli, e sebelisetsoa ho hlahisa lidae tsa cationic, tse kang cationic red 6B.
3. E sebelisoa e le lisebelisoa tse tala bakeng sa tlhahiso ea baetsi ba mebala le meriana.
mokhoa oa tlhahiso
1. mokhoa oa m-toluidine
E lokisitsoe ho tloha ho m-toluidine le ethyl iodide e le lisebelisoa tse tala.
Ea bobeli, mokhoa oa N-ethyl m-toluidine
E lokisoa ka ho sebelisa N-ethyl m-toluidine e le lisebelisoa tse tala le ho itšoara ka chloroethanol (kapa ethylene oxide).
-
N, N-Dimethylformamide CAS 68-12-2
Dimethylformamide ke mokelikeli o se nang mebala le o bonaletsang. Hase feela lisebelisoa tse sebelisoang haholo tsa lik'hemik'hale, empa hape ke solvent e babatsehang e nang le mefuta e mengata ea tšebeliso. Dimethylformamide ke thepa ea bohlokoa e tala 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, se nang le foromo ea molek'hule HCON(CH3)2. Ke mokelikeli o se nang 'mala le o pepeneneng oa ntlha e belang e nang le monko o bobebe oa amine le boima bo lekanang ba 0.9445 (25℃). Sebaka sa ho qhibiliha -61 ℃. Sebaka se belang 152.8 ℃. Sebaka sa Flash 57.78 ℃. Boima ba mouoane 2.51. Khatello ea mouoane 0.49kpa (3.7mmHg25 ℃). Sebaka sa Autoignition ke 445 ℃. Moeli oa ho phatloha ha motsoako oa 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 itšoara ka mabifi ha e kopana le asiti ea sulfuric e teteaneng le asiti e tukang ea nitric mme ea ba ea phatloha. E fapane le metsi le lihlapolli tse ngata tsa tlhaho Chemicalbook. Ke solvent e tloaelehileng bakeng sa liphetoho tsa lik'hemik'hale. Dimethylformamide e hloekileng ha e na monko, empa boemo ba indasteri kapa dimethylformamide e senyehileng e na le monko oa litlhapi hobane e na le litšila tsa dimethylamine. Lebitso lena le tsoa tabeng ea hore ke sebaka sa dimethyl sa formamide (amide ea formic acid), 'me lihlopha tse peli tsa methyl li fumaneha ho athomo ea N (nitrogen). Dimethylformamide ke polar (hydrophilic) aprotic solvent e nang le ntlha e phahameng ea ho belisa, e ka khothalletsang mokhoa oa ho itšoara ka SN2. Dimethylformamide e entsoe ka acid e formic le dimethylamine. Dimethylformamide ha e tsitsa (haholo-holo mocheso o phahameng) ka pel'a metheo e matla e kang sodium hydroxide kapa li-acid tse matla tse kang hydrochloric acid kapa sulfuric acid, le hydrolyzes ho formic acid le dimethylamine.
E tsitsitse haholo moeeng 'me ha e futhumala ho fihlela e bela. Ha mocheso o feta 350 ° C, o lahleheloa ke metsi mme o hlahisa carbon monoxide le dimethylamine. N,N-dimethylformamide ke aprotic polar solvent e ntle haholo e khonang ho qhaqha lintho tse ngata tse phelang le tse sa tsitsang 'me e kopane le metsi, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons le li-hydrocarbon tse nkhang hamonate. . Qetello e ntle ea molek'hule ea N, N-dimethylformamide e pota-potiloe ke lihlopha tsa methyl, ho etsa thibelo ea sebaka sa Chemicalbook e thibelang li-ion tse mpe ho atamela le ho kopanya li-ion tse ntle feela. Li-anion tse se nang letho li sebetsa haholo ho feta li-anion tse rarollotsoeng. Liphetoho tse ngata tsa ionic li bonolo ho etsoa ho N,N-dimethylformamide ho feta ka kakaretso ea lihlapolli tsa protic. Mohlala, li-carboxylate le li-halogenated hydrocarbons li arabela ho N, N-dimethylformamide ka mocheso oa kamore. , e ka hlahisa li-ester tse nang le lihlahisoa tse ngata, 'me e loketse ka ho khetheha bakeng sa motsoako oa li-ester tse thibetsoeng ka sterically.
-
N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Seedi se se nang mmala ho isa ho sesehla. E na le monko o khethehileng. E qhibiliha hanyane ka metsing, e qhibiliha ka har'a metsoako ea tlhaho e kang ethanol, ether, chloroform le benzene. E tsoa ho karabelo 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 li-azo dyes, li-triphenylmethane dyes, joalo-joalo E boetse e le setsi sa bohlokoa bakeng sa motsoako oa lithethefatsi le baetsi ba lifilimi tsa mebala, 'me litšebeliso tsa eona li pharaletse haholo.
Polokelo : Sebaka sa polokelo se tšeloa moea le ho omisoa ka mocheso o tlase; bolokoa ka thoko ho li-acids, li-oxidants le li-additives tsa lijo. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Ponahalo mokelikeli o bokhubelu ba Orange ho isa ho sootho viscous.
Tšebeliso: E sebelisoa ho etsa anion exchange resin, ion exchange membrane, crude oil demulsifier, lubricating oil additive, joalo-joalo E boetse e sebelisoa e le epoxy resin e phekolang le plating e se nang cyanide.
Solubility: qhibilihang ka metsing le ethanol, ha e qhibilihe ka har'a ether, e monya habonolo mongobo le carbon dioxide moeeng, 'me e etsa matsoai a tšoanang le li-acids, tse tla tiisa mocheso o tlaase.
Ho bonolo haholo ho phatloha ha o pepesehetse tšusumetso, likhohlano, lelakabe le bulehileng kapa mehloli e meng ea ho tima. Boloka sebakeng sa polokelo se pholileng, se omeletseng le se nang le moea o pholileng se etselitsoeng liqhomane. Mocheso oa polokelo ha o fete 32°C mme mongobo o lekanyelitsoeng ha o fete 80%. Qoba hole le mehloli ea mollo le mocheso. Li lokela ho bolokoa ka thoko ho li-oxidants, acid, le alkalis, 'me li qobe polokelo e tsoakiloeng. Ho hlomelloa ka mefuta e fapaneng e loketseng le bongata ba lisebelisoa tsa mollo. Lisebelisoa tse loketseng li lokela ho ba teng sebakeng sa polokelo ho ba le ho qhalla. Ha ho na vibration, tšusumetso le khohlano.
-
Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
thepa ea lik'hemik'hale
Sehlahisoa sena se khanya ka metsing e le phofo e tšoeu. Ho qhibiliha ha metsi ka 25 ℃ ke 0.5g/L. Ha e kenelle ka metsing a batang, joala le li-solvents tse akaretsang. E qhibiliha ka sodium hydroxide, sodium carbonate le tharollo ea ammonia.
Mokhoa oa tlhahiso:
Karabelo ea ethylenediamine le chloroacetic acid. Kenya 100kg ea chloroacetic acid, 100kg ea leqhoa le 135kg ea sodium hydroxide solution (30%) ka har'a ketlele e arabelang, ebe u eketsa 18kg ea 83% ho isa ho 84% ea ethylenediamine ha u ntse u tsosoa. E futhumala ka mocheso oa 15°C bakeng sa hora e le 1. Kenya 30Chemicalbook% tharollo ea sodium hydroxide ka lihlopha tsa 10L nako le nako. Ka mor'a hore ho eketsoe ka 'ngoe, eketsa sehlopha se seng ka mor'a hore tharollo ea phenolphthalein e se ke ea bontša bofubelu. Boloka mocheso oa kamore bakeng sa 12h. Chesa ho fihla ho 90°C 'me u tlose mmala ka khabone e kentsoeng. Sefa, hlatsoa masalla a sefe ka metsi, 'me qetellong u fetole boleng ba pH ho 3 ka concentrated hydrochloric acid. Pholile 'me u khanye, sefa 'me u hlatsoe ka metsi ho fihlela ho se na karabelo ea ion ea chloride. Lihlahisoa tse omisitsoeng.
Karabelo ea ethylenediamine ka formaldehyde le sodium cyanide. Kopanya 60% ea ethylenediamine aqueous solution, 30% sodium cyanide aqueous solution le sodium hydroxide, 'me u boloke motsoako ho 20 ° C bakeng sa 0.5h. Ebe u eketsa formaldehyde aqueous solution dropwise. Ka mor'a karabelo, buka ea lik'hemik'hale e ile ea fokotseha 'me metsi a fetoha mouoane. Ebe u pheta ts'ebetso e ka holimo, u eketsa formaldehyde e feteletseng ka lekhetlo la ho qetela ho lumella sodium cyanide ho itšoara ka ho feletseng. Fetola pH ho 1.2 ka asiti e hlapollang. Pula e tšoeu e ile ea na, ea tlhotloa, ea hlatsuoa ka metsi, 'me ea omisoa ka 110°C. Fumana sehlahisoa.
Ethylenediaminetetraacetic acid (EDTA) ke ntho ea bohlokoa e rarahaneng. EDTA e sebelisoa haholo 'me e ka sebelisoa e le bleaching fixative ha ho etsoa lisebelisuoa tsa mebala, lisebelisoa tsa ho daea, li-fiber processing, li-additives, li-anticoagulants tsa mali, li-detergents, li-stabilizers, li-synthetic rabara polymerization initiator, EDTA ke chelate Representative metsoako ea metsoako. E ka etsa lik'hemik'hale tse tsitsitseng tse qhibilihang ka metsing tse nang le tšepe ea alkali, likarolo tse sa tloaelehang tsa lefats'e le litšepe tsa phetoho. Ntle le matsoai a sodium, ho boetse ho na le letsoai la ammonium le matsoai a sa tšoaneng a kang tšepe, magnesium, calcium, koporo, manganese, zinki, cobalt le aluminium. Letsoai le leng le le leng le na le ts'ebeliso e fapaneng. Ntle le moo, EDTA e ka boela ea sebelisoa ho ntša kapele litšepe tse kotsi tse tsoang 'meleng oa motho le ho bapala karolo ea ho ntša chefo. Hape ke moemeli oa ho hloekisa metsi. EDTA e boetse ke pontšo ea bohlokoa, empa e sebelisetsoa ho titrate tšepe nickel, koporo, joalo-joalo Ha e sebelisoa, e tlameha ho sebelisoa hammoho le ammonia ho sebetsa e le pontšo. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
disodium ethylenediaminetetraacetate (eo hape e tsejoang e le disodium EDTA) ke moemeli ea matla oa chelating. Ka lebaka la ts'ebetso ea eona e tsitsitseng e tsitsitseng le e pharaletseng, e ka sebelisana le li-ion tse ngata tsa tšepe ntle le lisebelisoa tsa alkali (joalo ka tšepe, koporo, k'halsiamo, magnesium le li-ion tse ling tse ngata) chelate ho theha li-complexes tse tsitsitseng tse qhibilihang ka metsing, ho tlosa li-ion tsa tšepe kapa liketso tse kotsi tse bakoang ke tsona.
disodium EDTA ke phofo e tšoeu ea crystalline e qhibilihang metsing 'me e batla e sa qhibilihe ka ethanol le ether. Theko ea pH ea tharollo ea eona e nang le metsi e ka ba 5.3 mme e sebelisoa ho li-detergents, lisebelisoa tsa ho daea, li-fiber processing, li-additives tsa litlolo, li-additives tsa lijo, li-micro-fertilizer le Mariculture, joalo-joalo.
Disodium ethylenediaminetetraacetate e sebelisoa lijong, meriana, litlolo le lihlahisoa tse ling. Lijo-grade disodium ethylenediaminetetraacetate e ka sebelisoa e le stabilizer, coagulant, antioxidant le preservative, 'me e ka sireletsa' mala le ho hanela oxidation. , anti-corrosion synergy le phello e tsitsitseng.
