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N-Methylformamide (NMF) CAS：123-39-7
N-Methylformamide (NMF) CAS：123-39-7
N-methylformamide yakachena mvura isina ruvara, inoonekera uye ine viscous, mp-3.8℃, bp198℃, n25D 1.4310, ine density 0.9986 (25℃), inonyungudika mumvura, inogonawo kunyungudutsa munyu usingasanganisike, uye ine hygroscopic. Inoora nyore nyore mu acidic kana alkaline solutions.
N-methylformamide chinhu chakakosha chekugadzira zvinhu zvakasikwa. Inoshandiswa mukugadzira mishonga yezvipembenene, zvipembenene uye acaricides monoformamidine uye diformamidine. Inoshandiswawo mukugadzira mishonga, dehwe rekugadzira, dehwe rekugadzira, uye semusanganiswa wemachira emakemikari fiber.
Nzira yekugadzira 1. Nzira yeMethylamine inogadzirwa nekuita kwemethylamine necarbon monoxide. 2. Nzira yeMethyl formate inowanikwa nekuita kwemethyl formate nemethylamine. 3. Inowanikwa kubva pakuita kweethyl formate nemethylamine. Wedzera ethyl formate mu reactor, wedzera methylamine aqueous solution pasi pekutonhorera, wobva wadzorera reaction pa40°C. Zvadaro yakasara kwemazuva matatu, uye ethanol yakawanikwa pasi pekumanikidzwa kwakaderera kuti iwane chigadzirwa chisina kuchena. Chigadzirwa chapera chinowanikwa nekudistillation pasi pekumanikidzwa kwakaderera.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine imhando yakakosha yezvinhu zvemakemikari zvinoshandiswa zvakanyanya sezvinhu zvisina kugadzirwa, zvinhu zvepakati kana zvigadzirwa. Semuenzaniso, diamine iyuniti yakakosha yekuvaka mukugadzirwa kwepolyamide nezvimwe zvinokonzeresa polymerization reactions. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) iyuniti yakakosha, inoshandiswa semuenzaniso mukugadzira mafuta emafuta muindasitiri. Pamusoro pezvo, DMAPA inoshandiswa sezvinhu zvisina kugadzirwa zvekugadzira macoagulants uye pachayo inofanira kunge iine Anti-corrosion properties.
Imvura inoonekera isina ruvara. Inonyungudika mumvura uye mune zvinonyungudutsa zvakasikwa. Inoshandiswa zvakanyanya mukugadzira zvinhu zvekushongedza zvakaita sepalmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, nezvimwewo.
Uchishandisa dimethylaminopropionitrile [1738-25-6] sezvinhu zvisina kugadzirwa, hydrogenation nemethanol zvinowedzerwa pamberi peNi-Al catalyst, zvobva zvasefa uye zvanyungudutswa kuti pave nechinhu chakapedzwa che3-dimethylaminopropylamine. Kuchena kwechigadzirwa chakawanikwa kunogona kusvika kupfuura 99%, uye tani yega yega yechigadzirwa inoshandisa 1150kg yedimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino) ethanol) imvura yero yakajeka uye ine dhayi iri pakati. Inoshandiswa kugadzira madhayi ecationic, akadai secationic red 6B. Inoshandiswawo sezvinhu zvekugadzira vagadziri vemavara nemishonga.
Mashandisirwo: 1. Zvinoshandiswa pakudhaya.
Chechipiri, inoshandiswa kugadzira madhayi e cationic, akadai se cationic red 6B.
3. Inoshandiswa sezvinhu zvekugadzira vagadziri vemavara nemishonga.
nzira yekugadzira
1. nzira ye m-toluidine
Inogadzirwa kubva ku m-toluidine uye ethyl iodide sezvinhu zvekugadzira.
Nzira mbiri, N-ethyl m-toluidine
Inogadzirwa nekushandisa N-ethyl m-toluidine sezvinhu zvisina kugadzirwa uye ichiita chloroethanol (kana ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide imvura isina ruvara uye inoonekera. Haisi chete chinhu chinoshandiswa zvakanyanya mumakemikoro, asiwo chinhu chinonyungudutsa chakanaka chine mashandisirwo akasiyana-siyana. Dimethylformamide chinhu chakakosha mumaindasitiri emishonga, petrochemical, dehwe nemamwe.
Dimethylformamide inonzi DMF. Imusanganiswa umo boka rehydroxyl reformic acid rinotsiviwa neboka redimethylamino, rine molecular formula HCON(CH3)2. Imvura isina ruvara uye yakajeka ine kunhuhwirira kweamine uye huwandu hwe0.9445 (25℃). Nzvimbo yekunyunguduka -61℃. Nzvimbo yekufashaira 152.8℃. Nzvimbo yekupenya 57.78℃. Kuwanda kwevapor 2.51. Kumanikidzwa kwevapor 0.49kpa (3.7mmHg25℃). Nzvimbo yekuzvipisa otomatiki i445℃. Muganho wekuputika kwemusanganiswa wemhepo nemhepo i2.2~15.2%. Kusangana nemoto wakavhurika uye kupisa kwakanyanya kunogona kukonzera kutsva nekuputika. Inogona kuita zvine simba nesulfuric acid yakakora uye nitric acid inoputika uye inotoputika. Inosanganiswa nemvura uye organic solvents dzakawanda. Chemicalbook. Isolvent yakajairika yemakemikari reactions. Dimethylformamide yakachena haina hwema, asi dimethylformamide yemhando yeindasitiri kana kuti yakaora ine hwema hwehove nekuti ine tsvina yedimethylamine. Zita iri rinobva pakuti inotsiva dimethyl yeformamide (amide yeformic acid), uye mapoka ese ari maviri emethyl ari paatomu yeN (nitrogen). Dimethylformamide isolvent yepolar (hydrophilic) aprotic ine polar (hydrophilic) aprotic ine poiling point yakawanda, iyo inogona kukurudzira SN2 reaction mechanism. Dimethylformamide inogadzirwa kubva kuformic acid nedimethylamine. Dimethylformamide haina kugadzikana (kunyanya pakupisa kwakanyanya) kana paine mabhesi akasimba akadai sesodium hydroxide kana maacid akasimba akadai sehydrochloric acid kana sulfuric acid, uye inochinja kuita formic acid nedimethylamine.
Inogadzikana zvikuru mumhepo uye kana yapiswa kusvika yafashaira. Kana tembiricha yakakwira kupfuura 350°C, inorasikirwa nemvura uye inogadzira carbon monoxide nedimethylamine. N,N-dimethylformamide chinhu chakanaka kwazvo che aprotic polar solvent chinogona kunyungudutsa zvinhu zvakawanda zve organic ne inorganic uye chinogona kusanganiswa nemvura, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons uye aromatic hydrocarbons. . Mugumo weN,N-dimethylformamide molecule wakakomberedzwa ne methyl groups, zvichiita spatial Chemicalbook barrier inodzivirira ma negative ions kuti asasvike uye inongobatanidza ma positive ions chete. Ma bare anions anoshanda zvakanyanya kupfuura ma solvated anions. Mazhinji ma ionic reactions ari nyore kuita muN,N-dimethylformamide pane mune general protic solvents. Semuenzaniso, ma carboxylates nema halogenated hydrocarbons anoita muN,N-dimethylformamide patembiricha yemumba. , anogona kugadzira ma esters ane goho rakakura, uye anonyanya kukodzera kugadzirwa kwema sterically hindrated esters.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Mvura isina ruvara kusvika yeyero. Ine hwema hwakasiyana. Inonyungudika zvishoma mumvura, inonyungudika muzvinhu zvinonyungudika zvakaita se ethanol, ether, chloroform uye benzene. Inobva mukuita kweaniline ne ethyl chloride. Chiyero chekushandiswa kwezvinhu zvisina kuchena: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Inogona kushandiswa kugadzira madhayi eazo, madhayi etriphenylmethane, nezvimwewo. Inobatsirawo pakugadzirwa kwemishonga nevagadziri vemafirimu emavara, uye mashandisirwo ayo akafara zvikuru.
Kuchengetera: Imba yekuchengetera zvinhu inofefeterwa nemhepo uye inoomeswa patembiricha yakaderera; inochengetwa yakasiyana neacids, oxidants uye zvekudya zvinowedzerwa. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Chitarisiko: Mvura ine viscous, yakatsvuka kubva kuorenji kusvika kubrown.
Mashandisirwo: Inoshandiswa kugadzira anion exchange resin, ion exchange membrane, crude oil demulsifier, lubricating oil additives, nezvimwewo. Inoshandiswawo se epoxy resin curing agent uye cyanide-free plating additives.
Kunyungudika: inonyungudika mumvura uye mune ethanol, hainyungudike mu ether, inonyungudutsa hunyoro nekabhoni dhayokisaidhi zviri nyore mumhepo, uye inoumba munyu unoenderana nemaacid, ayo anozooma kana tembiricha yakaderera.
Zviri nyore kwazvo kuputika kana zvasangana nekuputika, kukweshana, murazvo wakavhurika kana zvimwe zvinhu zvinobatidza moto. Chengeta munzvimbo inotonhorera, yakaoma uye ine mhepo inofema yakatsaurirwa kune zvinoputika. Tembiricha yekuchengetera haipfuure 32°C uye hunyoro hahupfuure 80%. Chengeta kure nemoto nezvinopisa. Zvinofanira kuchengetwa zvakasiyana nezvinokonzera kupisa, acids, uye alkalis, uye usachengete zvakasanganiswa. Yakashongedzerwa nemhando dzakakodzera uye huwandu hwemidziyo yemoto. Zvinhu zvakakodzera zvinofanira kuwanikwa munzvimbo yekuchengetera kuti zvisapararire. Hapana kudedera, kukweshana uye kukweshana.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
hunhu hwemakemikari
Chigadzirwa ichi chinobuda mumvura kuita upfu huchena. Kunyungudika mumvura pa25℃ i0.5g/L. Hachinyungudike mumvura inotonhora, doro uye zvinonyungudutsa zvakasikwa. Chinonyungudika mu sodium hydroxide, sodium carbonate uye ammonia solutions.
Nzira yekugadzira:
Kuita kwe ethylenediamine ne chloroacetic acid. Wedzera 100kg ye chloroacetic acid, 100kg yechando uye 135kg ye sodium hydroxide solution (30%) mu reaction kettle, wobva wawedzera 18kg ye 83% kusvika 84% ethylenediamine uchikurunga. Isa pa15°C kweawa imwe. Wedzera 30Chemicalbook% sodium hydroxide solution mumabhechi e10L nguva imwe neimwe. Mushure mekuwedzera kwega kwega, wedzera imwe batch mushure mekunge phenolphthalein test solution yasaratidza kutsvuka. Chengeta patembiricha yemukamuri kwemaawa gumi nemaviri. Pisa kusvika 90°C wobvisa ruvara ne activated carbon. Sefa, geza firita residue nemvura, uye pakupedzisira gadzirisa pH value kusvika 3 ne concentrated hydrochloric acid. Tonhodza woita crystallize, sefa wogeza nemvura kusvika pasina chloride ion reaction. Zvigadzirwa zvakaomeswa.
Kuita kwe ethylenediamine ne formaldehyde uye sodium cyanide. Sanganisa 60% ethylenediamine aqueous solution, 30% sodium cyanide aqueous solution uye sodium hydroxide, wochengeta musanganiswa pa20°C kwemaawa 0.5. Wobva wawedzera formaldehyde aqueous solution. Mushure mekuita, bhuku remakemikari rakabviswa simba uye mvura yakapwanyika. Wobva wadzokorora zvataurwa pamusoro apa, wowedzera formaldehyde yakawandisa kekupedzisira kuti sodium cyanide iite zvese. Gadzirisa pH kusvika pa1.2 ne dilute acid. White precipitate yakapwanyika, yakasefetwa, yakagezwa nemvura, uye yakaomeswa pa110°C. Tora chigadzirwa.
Ethylenediaminetetraacetic acid (EDTA) chinhu chakakosha pakugadzirisa zvinhu. EDTA inoshandiswa zvakanyanya uye inogona kushandiswa se bleaching fixative mukugadzirisa zvinhu zvinonzwa ruvara, dyeing auxiliaries, fiber processing auxiliaries, cosmetic additives, blood anticoagulants, detergents, stabilizers, synthetic rabber polymerization initiators, EDTA chinhu chinomiririra zvinhu zvemusanganiswa. Inogona kugadzira stable water-soluble chemical complexes ne alkali metals, rare earth elements ne transition metals. Kuwedzera kune sodium salts, kunewo ammonium salts nemarudzi akasiyana-siyana emunyu akadai se iron, magnesium, calcium, copper, manganese, zinc, cobalt, uye aluminium. Imwe neimwe yemunyu iyi ine mashandisirwo akasiyana. Pamusoro pezvo, EDTA inogona zvakare kushandiswa kubvisa nekukurumidza radioactive metals dzinokuvadza kubva mumuviri wemunhu uye kuita basa rekubvisa chepfu. Iyo zvakare mushonga wemvura. EDTA chiratidzo chakakosha, asi inoshandiswa ku titrate metal nickel, copper, nezvimwewo. Kana ikashandiswa, inofanira kushandiswa pamwe chete neammonia kuti ishande sechiratidzo. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (inozivikanwawo sedisodium EDTA) chinhu chine simba chelating agent. Nekuda kwekugadzikana kwayo kwakanyanya uye hunhu hwayo hwekubatana hwakakura, inogona kupindirana nemaion mazhinji esimbi kunze kwesimbi dzealkali (dzakadai sesimbi, mhangura, calcium, magnesium nedzimwe ions dzakawanda) chelate kuti igadzire macomplexes akagadzikana anonyungudika mumvura, ichibvisa maion esimbi kana maitiro anokuvadza anokonzerwa nawo.
Disodium EDTA ihupfu hwemakristaro machena hunonyungudika mumvura uye husinganyungudike muethanol ne ether. pH yemvura yayo inokwana 5.3 uye inoshandiswa mu detergents, dyeing auxiliaries, fiber processing agents, cosmetic additives, food additives, agricultural micro-fertilizers uye Mariculture, nezvimwewo.
Disodium ethylenediaminetetraacetate inoshandiswa muzvikafu, mishonga, zvizoro nezvimwe zvigadzirwa. Disodium ethylenediaminetetraacetate inogona kushandiswa se stabilizer, coagulant, antioxidant uye preservative, uye inogona kuchengetedza ruvara uye kudzivirira oxidation. , anti-corrosion synergy uye stabilizing effect. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) ine mapoka mana emakabhokisi uye inogona kuumba disalt, trisalt uye tetrasalt. Munyu wakajairika weEDTA unosanganisira disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) uye ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) imorekuru diki yeorganic ine mabasa akawanda ine mapoka eamino nekabhokisi. Inoshandiswa zvakanyanya mumakemikari ekuongorora semushonga unosanganisa.
Hunhu hwemakemikari: Upfu hwemakristaro machena. Hunonyungudika mumvura uye acid, haunyungudike mualcohol, benzene uye chloroform.
Tetrasodium EDTA chinhu chakakosha chinosanganisa mavara uye chinovhara simbi. Inogona kushandiswa mukugadzira dhayi muindasitiri yemachira, kugadzirisa kunaka kwemvura, kunzwisiswa kwemavara, mishonga, makemikari ezuva nezuva, kugadzira mapepa nemamwe maindasitiri, sechinhu chinowedzera, chinosimudzira, chinochenesa mvura, chinovhara simbi uye chinosimudzira muindasitiri yerabha yestyrene-butadiene. Muindasitiri yeacrylic yakaoma, inogona kudzikamisa kupindira kwesimbi uye kunatsiridza ruvara nekupenya kwemachira akapendwa. Inogona zvakare kushandiswa mu sipo dzemvura kuti ivandudze kunaka kwekuwacha uye kuwedzera simba rekuwacha. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris(dimethylaminomethyl)phenol
CAS 90-72-2
Nzira yekugadzira
Wedzera phenol ne40% dimethylamine aqueous solution mu reaction kettle, sanganisa wobva wasanganisa zvakaenzana, wotonhodza kusvika pasi pe20°C, wedzera zvishoma nezvishoma 30% formaldehyde aqueous solution uchikurunga, wobva wadzora kuti upedze kuwedzera pasi pe30°C. Ramba uchikurunga pa25-30°C kweawa imwe chete, wobva wawedzera tembiricha kusvika pa90-95°C wozorora kwemaawa maviri. Wedzera munyu kuti uparadzanise mvura, uye paradzanisa mafuta kuti apatsanurwe pasi pekumanikidzwa kwakaderera kuti chigadzirwa chapera chiwane. Huremu hwechigadzirwa chemaindasitiri hunopfuura 95%.
Chitarisiko: Mvura inoonekera isina ruvara kana yero yakajeka. Inobvira.
Inoshandiswa semushonga wekupisa maresini epoxy anogadzirisa thermosetting, manamati, zvinonamira zvinhu zve laminate nepasi, zvinodzivirira acid uye zvinokonzeresa kugadzirwa kwepolyurethane. -
DIETHYLENE TRIAMINE (DETA) 111-40-0
DIETHYLENE TRIAMINE (DETA) 111-40-0
zvakasikwa
Mvura yero inopenya, yakajeka, ine hwema hweammonia, inobvira uye ine alkaline yakasimba. Inonyungudika mumvura, acetone, benzene, ether, methanol, nezvimwewo, hainyungudike mu n-heptane, uye inoparadza mhangura ne alloys dzayo. Nzvimbo yekunyungudika -35℃. Nzvimbo yekufashaira 207℃. Kuwanda kwehuwandu o. 9586. Nzvimbo yekupenya 94℃. Refractive index 1. 4810. Chigadzirwa ichi chine reactivity yesecondary amines uye chinopindura zviri nyore nemarudzi akasiyana-siyana emakomputa. Zvibereko zvacho zvine mashandisirwo akasiyana-siyana.
shandisa
Chigadzirwa ichi chinonyanya kushandiswa semusanganiswa wezvinhu zvinonyungudutsa uye organic synthesis, uye chinogona kushandiswa kugadzira epoxy resin curing agents, gas purifiers (yekubvisa CO2), lubricating oil additives, emulsifiers, photographic chemicals, surfactants, uye jira finishing agents. , paper enhancer, aminocarboxylic complexing agent, metal chelating agent, heavy metal hydrometallurgy and cyanide-free electroplating diffusion agent, brightener, uye synthetic ion exchange resin uye polyamide resin, nezvimwewo. -
N,N-dimethylethanolamine CAS: 108-01-0
N,N-dimethylethanolamine CAS: 108-01-0
Imvura isina ruvara ine hwema hunorwadza. Huwandu hwehwema: 0.25 ppm. Kurema kweMolecular 5 89.16; Pokufashaira =133℃; Kutonhora/Kunyunguduka=259℃; Pokupenya =41℃ (oc); Kupisa kweAutoignition 5=295℃. Miganhu yekuputika: LEL 5=1.6%;UEL 5=11.9%. Kuzivikanwa kweHazard (zvichibva paNFPA-704M Rating System): Hutano 2, Kupisa 2, Reactivity 0. Inonyunguduka mumvura.
Inozivikanwawo se dimethylaminoethanol. Zvidzidzo zvinoratidza hunhu hwekusimbisa ganda, uye kugona kuderedza kutaridzika kwemitsara mitete nemakwinya pamwe nedenderedzwa rerima pasi pemaziso. Inoonekwa sekudzivirira kukwegura, uye inoderedza kuzvimba, uye yakaratidza basa rekubvisa ganda zvisina tsarukano. Inoshandiswawo senzira yekudzivirira ngura, anti-scaling agent, pendi, coating additive uye solids separation agent. Inoshandiswawo senzira yepakati yezvinhu zvinoshanda zvemishonga nemadhayi. Inoshanda senzira yekuporesa polyurethanes uye epoxy resins. Uyezve, inoshandiswa senzira yekuwedzera mumvura inofashaira. Pamusoro peizvi, inoshandiswa pakurapa senzira yekukurudzira CNS.
