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N-Methylformamide (NMF) CAS:123-39-7
N-Methylformamide (NMF) CAS:123-39-7
Pure N-methylformamide is a colorless, transparent and viscous liquid, mp-3.8℃, bp198℃, n25D 1.4310, hama density 0.9986 (25℃), inonyungudika mumvura, inogonawo kunyungudutsa inorganic salts, uye iri hygroscopic. Inoora zviri nyore mune acidic kana alkaline mhinduro.
N-methylformamide yakakosha organic synthetic raw material. Inoshandiswa mukugadzira mishonga yezvipembenene, zvipembenene uye acaricides monoformamidine uye diformamidine. Inoshandiswawo mukugadzira mushonga, dehwe rekugadzira, dehwe rekugadzira, uye sechinhu chinonyungudutsa chemakemikari fiber textiles. .
Nzira yekugadzira 1. Methylamine nzira inogadzirwa nekuita kwemethylamine uye carbon monoxide. 2. Methyl formate nzira inowanikwa nekuita kwemethyl formate uye methylamine. 3. Yakawanikwa kubva pakuita kwe ethyl formate uye methylamine. Wedzera ethyl formate mu reactor, wedzera methylamine aqueous solution pasi pekutonhodza, uye reflux mhinduro pa40°C. Yakazosiiwa kwemazuva matatu, uye ethanol yakadzoserwa pasi pekumanikidzwa kwakadzikira kuti iwane crude product. Chigadzirwa chakapedzwa chinowanikwa ne distillation pasi pekuderedzwa kwakaderedzwa.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine ikirasi yakakosha yemakemikari zvinhu zvinoshandiswa zvakanyanya seyakabikwa, yepakati kana zvigadzirwa. Semuyenzaniso, diamine chinhu chakakosha chiumbwa mumubatanidzwa wepolyamide uye mamwe macondensation polymerization reaction. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMPA) yakakosha yepakati, inoshandiswa semuenzaniso mukugadzirwa kwemaindasitiri emafuta ekuzora. Uye zvakare, DMPA inoshandiswa seyakagadziriswa gadziriro yecoagulants uye pachayo inofanirwa kuve neAnti-corrosion zvivakwa.
Imvura inoonekera isina ruvara. Soluble mumvura uye organic solvents. Inoshandiswa zvakanyanya mukugadzira cosmetic mbishi zvinhu, senge palmitamide dimethylpropylamine, cocamidopropyl betaine, mink mafuta amidopropylamine, nezvimwe.
Kushandisa dimethylaminopropionitrile [1738-25-6] seyakasvibirira, hydrogenation uye methanol inowedzerwa pamberi peNi-Al catalyst, uye zvino inosefa uye yakasvibiswa kuti iwane chigadzirwa chakapedzwa che3-dimethylaminopropylamine. Kuchena kwechigadzirwa chakawanikwa kunogona kusvika kupfuura 99%, uye tani imwe neimwe yechigadzirwa inodya 1150kg ye dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino) ethanol) imvura yakareruka yeyero uye dhayi iri pakati. Inoshandiswa kugadzira cationic dhayi, senge cationic tsvuku 6B. Inoshandiswawo sechinhu chakasvibiswa chekugadzirwa kwevagadziri vemavara nemishonga.
Kushandiswa: 1. Dhayi pakati.
Chechipiri, inoshandiswa kugadzira cationic dhayi, senge cationic tsvuku 6B.
3. Inoshandiswa sezvinhu zvakasvibiswa zvekugadzirwa kwevagadziri vemavara nemishonga.
kugadzira nzira
1. m-toluidine nzira
Iyo inogadzirwa kubva m-toluidine uye ethyl iodide seyakagadzirwa zvinhu.
Chechipiri, N-ethyl m-toluidine nzira
Iyo inogadzirwa nekushandisa N-ethyl m-toluidine seyakagadzirwa uye inopindirana nechloroethanol (kana ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide imvura isina ruvara uye yakajeka. Haisi chete makemikari anoshandiswa zvakanyanya, asiwo yakanakisa solvent ine huwandu hwakawanda hwekushandisa. Dimethylformamide yakakosha mbishi zvinhu zvemishonga, petrochemical, matehwe uye mamwe maindasitiri.
Dimethylformamide inonzi DMF. Ikomboni iyo iyo hydroxyl boka re formic acid inotsiviwa neboka re dimethylamino, ine molecular formula HCON (CH3)2. Iyo isina ruvara uye inoonekera yakakwirira-inofashaira poindi mvura ine yakareruka amine kunhuhwirira uye hukama density ye0.9445 (25 ℃). Kunyungudika -61 ℃. Kubikira poindi 152.8 ℃. Flash point 57.78 ℃. Vapor density 2.51. Mhepo inotsikirira 0.49kpa (3.7mmHg25 ℃). Autoignition poindi ndeye 445 ℃. Muganho wekuputika wehutsi nemhepo musanganiswa ndeye 2.2 ~ 15.2%. Kusangana nemoto wakavhurika uye kupisa kwakanyanya kunogona kukonzera kupisa uye kuputika. Inogona kuita zvechisimba ine concentrated sulfuric acid uye fuming nitric acid uye kunyange kuputika. Inosanganiswa nemvura uye yakawanda organic solvents Chemicalbook. Icho chinhu chinowanzogadziriswa chemakemikari maitiro. Dimethylformamide yakachena haina kunhuwa, asi giredhi remaindasitiri kana rakadzikira dimethylformamide ine hwema hwehove nekuti ine dimethylamine tsvina. Iro zita rinobva pakuti idimethyl inotsiva formamide (amide yefomic acid), uye mapoka ese emethyl anowanikwa paN (nitrogen) atomu. Dimethylformamide inonzi polar (hydrophilic) aprotic solvent ine nzvimbo yakakwirira yekuvira, iyo inogona kukurudzira SN2 reaction mechanism. Dimethylformamide inogadzirwa kubva kune formic acid uye dimethylamine. Dimethylformamide haina kugadzikana (kunyanya pakupisa kwepamusoro) muhupo hwezvigadziko zvakasimba zvakadai se sodium hydroxide kana yakasimba acids yakadai sehydrochloric acid kana sulfuric acid, uye hydrolyzes kune formic acid uye dimethylamine.
Yakanyatsogadzikana mumhepo uye kana ichipisa kusvika pakuvira. Kana tembiricha yakwira kudarika 350°C, inorasa mvura uye inogadzira carbon monoxide ne dimethylamine. N,N-dimethylformamide yakanaka kwazvo aprotic polar solvent inogona kunyungudutsa yakawanda organic uye inorganic substances uye inosanganiswa nemvura, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons uye anonhuwirira hydrocarbons. . Magumo akanaka ekupedzisira eN, N-dimethylformamide molecule yakakomberedzwa nemapoka emethyl, achigadzira nzvimbo yeChemicalbook barrier iyo inodzivirira ion yakaipa kuti isaswedere uye inongobatanidza ion yakanaka. Bare anions inonyanya kushanda kupfuura anions yakagadziriswa. Maitikiro akawanda eionic ari nyore kuita muN,N-dimethylformamide pane zvakajairika protic solvents. Semuyenzaniso, macarboxylates uye halogenated hydrocarbons anoita muN,N-dimethylformamide pakudziya kwekamuri. , inogona kuburitsa esters negoho rakawanda, uye inonyanya kukodzera kubatanidzwa kwesterically kuvharirwa esters.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Mvura isina ruvara kune yeyero. Iine hwema hunokosha. Inonyungudika zvishoma mumvura, inonyungudika muorganic solvents senge ethanol, ether, chloroform uye benzene. Yakatorwa kubva mukuita kweaniline uye ethyl chloride. Raw material kushandiswa quota: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Inogona kushandiswa kugadzira azo dhayi, triphenylmethane dhayi, nezvimwe. Iyo yakakosha yepakati pakubatanidzwa kwezvinodhaka uye vagadziri vemafirimu emavara, uye mashandisirwo ayo akafara kwazvo.
Kuchengetedza : Imba yekuchengetera inofefetera uye yakaomeswa pakupisa kwakadzika; zvakachengetwa zvakasiyana kubva kune acids, oxidants uye zvekudya zvinowedzera. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Kuonekwa Orange-tsvuku kusvika kubrown viscous fluid.
Kushandiswa: Inoshandiswa kugadzira anion exchange resin, ion exchange membrane, crude oil demulsifier, lubricating oil additive, etc. Inoshandiswawo se epoxy resin kurapa agent uye cyanide-isina plating additive.
Solubility: soluble mumvura uye ethanol, insoluble mu ether, inotora nyore unyoro uye carbon dioxide mumhepo, uye inoumba munyu unoenderana nemaasidhi, ayo anozosimbisa pakudzika kwakadzika.
Zviri nyore kuputika kana zvaratidzwa kune kukanganisa, kukweshera, kuvhurika murazvo kana zvimwe zvinobatidza moto. Chengetedza muimba inotonhorera, yakaoma uye ine mhepo yakazvipira kune zvinoputika. Tembiricha yekuchengetera haipfuure 32 ° C uye hunyoro husingapfuuri 80%. Ramba kure nemoto nekupisa. Zvinofanirwa kuchengetwa zvakasiyana kubva kune oxidants, acids, uye alkalis, uye kudzivirira zvakasanganiswa kuchengetedza. Yakashongedzerwa nemhando yakakodzera uye huwandu hwemidziyo yemoto. Zvishandiso zvakakodzera zvinofanirwa kuwanikwa munzvimbo yekuchengetera kuti zvive nekurasika. Hapana vibration, kukanganisa uye friction.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
makemikari zvinhu
Ichi chigadzirwa chinopenya kubva mumvura sehupfu chena. Kunyungudika mumvura pa25 ℃ ndiyo 0.5g/L. Insoluble mumvura inotonhora, doro uye general organic solvents. Soluble mu sodium hydroxide, sodium carbonate uye ammonia mhinduro.
Nzira yekugadzira:
Reaction ye ethylenediamine uye chloroacetic acid. Wedzera 100kg yechloroacetic acid, 100kg yeaizi uye 135kg yesodium hydroxide solution (30%) mugetero rekuita, wobva wawedzera 18kg ye83% kusvika 84% ethylenediamine pasi pekudzvinyirirwa. Isa pa 15°C kweawa imwe. Wedzera 30Chemicalbook% sodium hydroxide solution mumabhechi e10L nguva yega yega. Mushure mekuwedzera kwega kwega, wedzera imwe batch mushure mekunge phenolphthalein test solution isingaratidzi mutsvuku. Chengetedza mukamuri tembiricha kwe12h. Kupisa kusvika 90°C uye decolorize ne activated carbon. Sefa, geza sefa nemvura, uye pakupedzisira gadzirisa pH kukosha kune 3 ine concentrated hydrochloric acid. Kutonhorera uye kupenya, sefa uye geza nemvura kusvika pasina chloride ion reaction. Zvigadzirwa zvakakanyiwa.
Reaction ye ethylenediamine ine formaldehyde uye sodium cyanide. Sanganisa 60% ethylenediamine aqueous solution, 30% sodium cyanide aqueous solution uye sodium hydroxide, uye chengetedza musanganiswa pa 20 ° C kwe 0.5h. Wobva wawedzera formaldehyde aqueous solution dropwise. Mushure mekuita, iyo chemicalbook yakaderedzwa uye mvura yakanyungudutswa. Wobva wadzokorora oparesheni iri pamusoro, uchiwedzera yakawandisa formaldehyde kekupedzisira kubvumira iyo sodium cyanide kuita zvachose. Gadzirisa pH kusvika 1.2 ine dilute acid. Mvura yakachena inonaya, yakasefa, yakagezwa nemvura, uye yakaomeswa pa110°C. Tora chigadzirwa.
Ethylenediaminetetraacetic acid (EDTA) chinhu chakakosha chekugadzirisa. EDTA inoshandiswa zvakanyanya uye inogona kushandiswa se bleaching fixative mukugadzirisa kwemavara photosensitive zvinhu, dyeing anobatsira, faibha process anobatsira, cosmetic additives, ropa anticoagulants, detergents, stabilizers, synthetic rubber polymerization initiators, EDTA ichelate Inomiririra zvinhu zvemusanganiswa. Inogona kuumba yakagadzika mvura-inonyungudika makemikari complexes ane alkali simbi, zvisingawanzo pasi zvinhu uye shanduko simbi. Kuwedzera kune sodium munyu, kunewo ammonium munyu uye akasiyana munyu akadai iron, magnesium, calcium, mhangura, manganese, zingi, cobalt, uye aruminiyamu. Imwe neimwe yemunyu iyi ine mashandisirwo akasiyana. Pamusoro pezvo, EDTA inogona zvakare kushandiswa kukurumidza kuburitsa simbi dzinokuvadza kubva mumuviri wemunhu uye kuita basa rekubvisa. Iyo zvakare mushonga wekuchenesa mvura. EDTA zvakare chiratidzo chakakosha, asi chinoshandiswa titrate simbi nickel, mhangura, etc. Kana inoshandiswa, inofanira kushandiswa pamwe chete neammonia kuti iite sechiratidzo. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (inozivikanwawo se disodium EDTA) ine simba chelating agent. Nekuda kwekugadzikana kwayo kwakanyanya uye yakawedzera kurongeka kwezvinhu, inogona kunge yakabatana neakawanda simbi ions kunze kwealkali simbi (Senge iron, mhangura, calcium, magnesium uye mamwe akawanda ion ion) chelate kuti igadzire yakagadzikana inonyungudika mvura, inobvisa simbi ions kana maitiro anokuvadza anokonzerwa navo.
Disodium EDTA iwhite crystalline powder inonyungudika mumvura uye inenge isinganyungudike mu ethanol ne ether. Iyo pH kukosha kweiyo aqueous solution ingangoita 5.3 uye inoshandiswa mukuchenesa, dhayi anobatsira, fiber processing agents, cosmetic additives, chikafu chekuwedzera, zvekurima micro-fertilizer uye Mariculture, nezvimwe.
Disodium ethylenediaminetetraacetate inoshandiswa mukudya, mishonga, cosmetics uye zvimwe zvigadzirwa. Chikafu-giredhi disodium ethylenediaminetetraacetate inogona kushandiswa seyakagadzikana, coagulant, antioxidant uye inochengetedza, uye inogona kudzivirira ruvara uye kuramba oxidation. , anti-corrosion synergy uye stabilizing effect. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) ine 4 carboxyl mapoka uye anogona kazhinji kugadzira disalt, trisalt uye tetrasalt. Kazhinji EDTA munyu unosanganisira disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) uye ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) is a multifunctional organic diki molecule ine amino uye carboxyl mapoka. Inoshandiswa zvakanyanya muanalytical chemistry sechinhu chinonetsa.
chimiro chemakemikari: White crystalline poda. Soluble mumvura uye asidhi, isinganyunguriki mudoro, benzene uye chloroform.
Tetrasodium EDTA chinhu chakakosha chekugadzirisa uye simbi masking agent. Inogona kushandiswa mukudhaya muindasitiri yemachira, kurapwa kwemhando yemvura, color photosensitivity, mushonga, makemikari ezuva nezuva, kugadzira mapepa uye mamwe maindasitiri, sekuwedzera, activator, yekuchenesa mvura, metallic ion masking agent uye activator muindasitiri yerabha ye styrene-butadiene. . Mune yakaoma process acrylic indasitiri, inogona kumisa kupindira kwesimbi uye kugadzirisa ruvara uye kupenya kwemachira akadhayiwa. Iyo inogona zvakare kushandiswa mune yemvura detergents kuvandudza washing mhando uye kuwedzera washing maitiro. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris (dimethylaminomethyl) phenol
CAS 90-72-2
Manufacturing nzira
Wedzera phenol uye 40% dimethylamine aqueous solution kune reaction kettle, simbisa uye sanganisa zvakafanana, inotonhorera kusvika pasi pe20 ° C, zvishoma nezvishoma wedzera 30% formaldehyde aqueous solution pasi pekukurudzira, uye kutonga kupedzisa kuwedzera pasi pe30 ° C. Ramba uchimutsa pa25-30 ° C kweawa imwe, wozosimudza tembiricha kusvika 90-95 ° C uye reflux kwemaawa maviri. Wedzera munyu kuti uparadzanise chikamu chemvura, uye patsanura chidimbu chemafuta chekupatsanurwa pasi pekumanikidzwa kwakaderedzwa kuti uwane chigadzirwa chapera. Industrial chigadzirwa chemukati chinodarika 95%.
Chitarisiko: Mvura isina ruvara kana yero yakajeka inoonekera. Inopisa.
Inoshandiswa semushonga wekurapa we thermosetting epoxy resins, adhesives, sealants for laminate materials and floors, acid neutralizers uye catalysts mukugadzirwa kwepolyurethane. -
DIETHYLENE TRIAMINE (DETA) 111-40-0
DIETHYLENE TRIAMINE (DETA) 111-40-0
nature
Yellow hygroscopic transparent viscous liquid ine pungent ammonia hwema, inobvira uye yakasimba alkaline. Soluble mumvura, acetone, benzene, ether, methanol, etc., isinganyunguriki mun-heptane, uye inoita corrosive kumhangura nemaaroyi ayo. Kunyungudika -35 ℃. Boiling point 207 ℃. Relative density o. 9586. Flash point 94℃. Refractive index 1. 4810. Ichi chigadzirwa chine reactivity yeamine yechipiri uye inopindirana nyore nyore nemhando dzakasiyana-siyana. Zvigadzirwa zvayo zvine huwandu hwakawanda hwekushandisa.
use
Ichi chigadzirwa chinonyanya kushandiswa seyekunyungudutsa uye organic synthesis yepakati, uye inogona kushandiswa kugadzira epoxy resin kurapa maajenti, gasi rekuchenesa (yekubvisa CO2), kuzora mafuta ekuwedzera, emulsifiers, emifananidzo makemikari, surfactants, uye machira ekupedzisa maajenti. , bepa enhancer, aminocarboxylic complexing agent, metal chelating agent, heavy metal hydrometallurgy uye cyanide-isina 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 uye inonhuwa. Kunhuwa chikumbaridzo: 0.25 ppm. Molecularweight 5 89.16; Boiling point =133℃; Kutonhora/Kunyungudika=259℃; Flash point =41℃ (oc); Autoignitiontemperature 5=295℃. Zvinoputika miganhu: LEL 5=1.6%;UEL 5=11.9%. Hazard Identification (yakavakirwa paNFPA-704M Rating System): Utano 2, Flammability 2, Reactivity 0.Soluble mumvura.
Iyo inozivikanwawo se dimethylaminoethanol. Zvidzidzo zvinoratidza ganda-kusimbisa zvinhu, uye kukwanisa kuderedza kutaridzika kwemitsara yakanaka uye wrinkles pamwe chete nerima denderedzwa pasi pemaziso. Inoonekwa seye anti-kuchembera, uye anti-inflammatory, uye yakaratidza mahara-radical scaveging chiitiko. Inoshandiswawo se corrosion inhibitor, anti-scaling agent, pendi additive, coating additive uye solids separation agent. Inoshandiswawo seyepakati kune inoshanda mishonga yemishonga uye dhayi. Inoshanda semushonga wekurapa we polyurethanes uye epoxy resins. Uyezve, inoshandiswa sekuwedzera kune boiler mvura. Pamusoro peizvi, inoshandiswa pakurapa se CNS stimulant.
