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Asiti ea Diethylenetriaminepentaacetic CAS: 67-43-6
Asiti ea Diethylenetriaminepentaacetic CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), eo hape e bitsoang diethylenetriaminepentacetic acid, ke sesebelisoa se setle sa ho kopanya aminocarboxylic se nang le thepa e matla ea ho chelating. Sebopeho seo se se bopang ka li-cation tse ngata se molemo ho feta sa ethylenediaminetetraacetic acid. Chelate e tsamaellanang le eona e lokela ho ba e tsitsitseng.
Jwalo ka sehlahiswa sa chelating se sebetsang hantle haholo, diethylene triamine pentaacetic acid e ka sebediswa ho thibela mebala tlhahisong ya faeba ya acrylic, indastering ya pampiri, ho nolofatsa metsi, ho thusa ka masela, ho etsa di-titrant tsa chelating, ho nka difoto tsa mebala le diindastering tsa dijo. E boetse e sebediswa dielementeng tsa bongaka, tse sa tlwaelehang tsa lefatshe. E boetse e sebediswa haholo tlhahisong ya karohano le temo.
Sehlahisoa sena ke phofo e tšoeu ea kristale kapa kristale. Sebaka sa ho qhibiliha sa 230 ℃ (ho bola), se qhibilihang ka metsing a chesang le tharollong ea alkali, se qhibiliha hanyane ka metsing a batang, ha se qhibilihe ka har'a li-solvents tsa tlhaho tse kang li-ether tsa joala. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4，E boetse e tsejoa e le reagent ea boemo ba bone. Ke ea metsoako ea propyl ester。
Li-polymer tsa diallyl isophthalate li tšoana haholo ka ho lokisoa, thepa le ts'ebeliso ho li-polymer tsa diallyl isophthalate tse hlalositsoeng kaholimo. Libopeho tse thehiloeng ho diallyl isophthalate li theko e boima empa li fana ka botsitso bo eketsehileng ba mocheso (li ka mamella mocheso ho fihlela ho hoo e ka bang 220°C ka nako e telele) le ho hanyetsa li-solvents tsa tlhaho.
Ke mokelikeli o mosehla o bobebe o nang le oli. O nkha hampe hanyane. O tsoakana le ethanol, ha o qhibilihe metsing.
E sebelisoa haholo-holo bakeng sa lipatlisiso tsa biochemical. Ho kopanya lintho tse phelang. Ho lokisa resin ea mocheso o phahameng. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Phofo e tšoeu ea kristale. E qhibiliha habonolo ka har'a metsoako ea lintho tse phelang, e fokotsa li-acid le ho fokotsa alkali, empa ha e qhibilihe ka metsing. E sebelisoa e le karolo ea dae.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-dimethylbenzylamine hangata e sebediswa e le reagent ho organic synthesis le e le catalyst bakeng sa synthesis ya polyurethane foam le epoxy resin. E arabela le Os3(CO) ho theha sehlopha sa triosmium.
N,N dimethylbenzylamine ka har'a methanol-tetra-N-butyl ammonium fluoroborate le methanol-potassium hydroxide. E sebelisoa ho etseng bis[(N,N-dimethylamino)benzyl]selenoether. E ka boela ea sebelisoa e le motsoako o bohareng oa motsoako oa organic, catalyst ea dehydrogenation, preservative, acid neutralizer, jj.
Ha e na 'mala ho isa ho mosehla o bobebe o tukang. E nkha joaloka ammonia. E qhibiliha habonolo ka har'a ethanol le ether, ha e qhibilihe ka metsing.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Lisebelisoa tse tala tsa tlhaho: cycloalkylamines, monoamines e nkhang hamonate, polyamines e nkhang hamonate le metsoako ea tsona le letsoai. Ponahalo ke kristale e tšoeu. E sebelisoa haholo-holo bakeng sa metsoako ea tlhaho ea tlhaho, tlhahiso ea thepa le meriana e sebetsang ea tlhaho, hammoho le photochemistry le metsoako ea kristale e metsi. Ha e qhibilihe ka metsing. E qhibiliha ka har'a benzene, toluene, methanol, ethanol. Bakeng sa boemo ba polokelo, Boloka sebakeng se lefifi, E koetsoe sebakeng se omileng, Mocheso oa Kamore.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Litšobotsi tsa lik'hemik'hale: Litšobotsi tsa lik'hemik'hale li tšoana haholo le N,N-dimethylformamide, 'me ke motsoako o emelang amide. Ha ho se na asiti kapa alkali, e ke ke ea bola ha e futhumatsoa ho fihlela e bela tlas'a khatello e tloaelehileng, kahoo e ka qhibilihisoa tlas'a khatello e tloaelehileng. Sekhahla sa hydrolysis se lieha haholo. Ha N,N-dimethylacetamide e nang le metsi a 5% e futhumatsoa ka 95°C ka lihora tse 140, ke 0.02% feela e hydrolyzed. Leha ho le joalo, ha ho na le asiti le alkali, sekhahla sa hydrolysis sea eketseha. Saponification e etsahala ha ho futhumatsoa ha ho na le alkali e matla.
kopo
1. Dimethylacetamide e mahareng ea meriana ke thepa ea bohlokoa ea meriana e tala 'me e sebelisoa haholo tlhahisong ea amoxicillin, cephalosporins le meriana e meng. Jwalo ka solvent kapa cocatalyst, dimethylacetamide e ka ntlafatsa boleng ba sehlahisoa le chai ha e bapisoa le li-solvent tsa setso tsa tlhaho. Ka 2000, tlhoko ea dimethylacetamide indastering ea meriana e ne e ka ba 6kt. Tlhoko ea dimethylacetamide ka 2006 e ne e ka ba 9.6kt. 2. Tlhahiso ea faeba ea acrylic Tlhahisong ea faeba ea acrylic, ba bang ba sebelisa tsela ea dimethylacetamide. Hona joale, tlhahiso ea faeba ea acrylic ea lapeng Chemicalbook e kenyelletsa haholo-holo mokhoa oa sodium thiocyanate oa mehato e 'meli, mokhoa oa dimethylformamide oa mohato o le mong le mokhoa oa dimethylacetamide oa metsi a tlhaho ho latela li-solvent. Ho latela pono ea litšobotsi tsa ts'ebetso le lisebelisoa, tšebeliso ea thepa, tšusumetso ea tikoloho, boleng ba sehlahisoa, Mabaka a mangata a kang ts'ebetso ea kamora ts'ebetso, sekhahla sa sebaka le mekhoa ea nts'etsopele ea kantle ho naha a ekelitse boiteko ba lipatlisiso le papatso ea kopo. Dimethylacetamide e sebelisitsoe e le papiso e felletseng. Mokhoa oa mehato e 'meli oa sodium thiocyanate le mokhoa oa dimethylacetamide organic wet o sebelisitsoe. Tswelopele e tšepisang ka ho fetisisa. Hona joale, lits'ebetso tse ngata tsa fiber ea acrylic Chaena li sebelisa mekhoa e metsi e sebelisang dimethylacetamide e le tharollo. -
Alcohol ea allyl CAS: 107-18-6
Alcohol ea allyl CAS: 107-18-6
tlhaho
Mokelikeli o se nang 'mala o nang le monko o matla oa mosetareta. Bongata bo lekanyelitsoeng o. 8520. Ntlha ea ho hoama -129℃. Ntlha ea ho belisa 96.9℃. Mocheso oa bohlokoa ke 271.9℃. Ntlha ea ho phatloha (kopi e koetsoeng) 22.2℃. E fetoha vitreous ho -190℃. Index ea refractive 1. 4132. E tsoakoa le metsi, ether, ethanol, chloroform le petroleum ether.
sebelisa
Ke sesebelisoa sa ho hlahisa glycerin, meriana, chefo e bolaeang likokoanyana, linoko le litlolo, 'me hape ke thepa e tala bakeng sa tlhahiso ea resin ea diallyl phthalate le bis(2,3-bromopropyl)fumarate. Li-derivatives tsa silane tsa allyl alcohol le copolymers tse nang le styrene li sebelisoa haholo ho penteng le khalaseng.
Indasteri ea faeba. Urethane ea allyl e ka sebelisoa liphahlong tsa polyurethane tse amohelang khanya le liindastering tsa ho lahla.
polokeho
E na le monko o ikhethang 'me e ka halefisa mahlo, letlalo, 'metso le lera la mucous ka matla. Maemong a boima, e ka baka bofofu. Ho khomarela letlalo ho ka etsa hore le fetohe lefubelu 'me la baka ho chesa, 'me le monngoa ka potlako letlalong, e leng se bakang mathata a sebete, nephritis, hematuria le matšoao a mang. E 'ngoe ea lino tse tahang tse chefo ka ho fetisisa, LD50 ea molomo ho likhoto ke 64rng/kg. Dog oral LD50 40mg/kg. Khokahano e phahameng ka ho fetisisa e lumelletsoeng moeeng sebakeng sa tlhahiso ke 5rng/m3. Khokahanong ena, ho teneha ho matla haholo 'me ho ke ke ha mamelloa nako e telele. Haeba e tšoloha letlalong, hlatsoa ka metsi 'me u sebelise moriana o tlotsitsoeng ka mafura. Apara lisebelisoa tse sireletsang ha u sebetsa. -
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine e lokiswa ka ho sebedisa aniline e le thepa e tala le ho e eketsa haeterojene mochesong o phahameng le kgatellong e phahameng ha ho na le ntho e thusang ho lokisa dintho.
E sebelisoa haholo e le karolo e bohareng ea tlhahiso ea lintho tse phelang 'me e ka sebelisoa ho lokisa lintho tse kopanyang dae, li-accelerator tsa rabara, lipente tsa nitrocellulose, likokoanyana tse bolaeang likokoanyana, li-catalyst, li-preservative, li-inhibitor tsa ho bola ha khase le li-additives tsa libuka tsa lik'hemik'hale tsa antioxidant ea mafura, jj. E boetse e sebelisoa e le moemeli oa ho ntša. Matsoai a asiti e mafura le li-sulfate tsa dicyclohexylamine li na le thepa ea ho tlosa matheba a sesepa 'me li sebelisoa indastering ea khatiso, dae le ea masela. Metsoako ea eona ea tšepe e sebelisoa e le li-catalyst bakeng sa enke le lipente.
Mokelikeli o mafura o se nang 'mala le o bonaletsang o nang le monko o matla oa ammonia. O qhibiliha hanyane ka metsing, o tsoakoa le metsoako ea lintho tse phelang. -
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.
