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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Organic raw materials: cycloalkylamines, anonhuwirira monoamines, anonhuwirira polyamines uye zvinobva kwavari uye munyu.Kuonekwa ikristaro chena.Inonyanya kushandiswa organic synthesis intermediates, synthesis of organic functional materials nemishonga, uyewo photochemistry uye liquid crystal intermediates. Insoluble mumvura. Inonyungudika mubenzene, toluene,methanol, ethanol.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Kemikari zvivakwa: Iyo makemikari zvimiro zvakafanana neN, N-dimethylformamide, uye inomiririra amide solvent. Mukushaikwa kweasidhi kana alkali, haizoora kana ichipisa kusvika pakufashaira pasi pekumanikidzwa kwakajairika, saka inogona kunyungudutswa pasi pekumanikidzwa kwakajairwa. The hydrolysis rate inononoka zvikuru. Apo N, N-dimethylacetamide ine 5% mvura inopisa pa 95 ° C kwemaawa 140, chete 0.02% ndiyo inonzi hydrolyzed. Nekudaro, pamberi peasidhi uye alkali, iyo hydrolysis rate inowedzera. Saponification inoitika kana inopisa muhupo hwealkali yakasimba.
application
1. Pharmaceutical intermediate dimethylacetamide inokosha yemishonga yakasvibiswa uye inoshandiswa zvakanyanya mukugadzirwa kweamoxicillin, cephalosporins nemimwe mishonga. Sezvinonyungudutsa kana cocatalyst, dimethylacetamide inogona kuvandudza mhando yechigadzirwa uye goho kana ichienzaniswa neyechinyakare organic solvents. Muna 2000, kudiwa kwedimethylacetamide muindasitiri yemishonga yaive ingangoita 6kt. Iko kudiwa kwedimethylacetamide muna 2006 yaive ingangoita 9.6kt. 2. Acrylic fiber production Mukugadzirwa kwe acrylic fiber, vamwe vanoshandisa nzira ye dimethylacetamide. Parizvino, mudzimba acrylic fiber kugadzirwa Chemicalbook inonyanya kusanganisira sodium thiocyanate maviri-nhanho nzira, dimethylformamide imwe-nhanho nzira uye dimethylacetamide organic wet nzira zvinoenderana nezvinonyungudutsa. Kubva pamaonero emaitiro uye mashandisirwo emidziyo, kushandiswa kwezvinhu, kukanganisa kwezvakatipoteredza, mhando yechigadzirwa, Zvinhu zvakawanda senge post-processing performance, chiyero chenzvimbo uye mafambiro ebudiriro yekunze zvakawedzera tsvakiridzo yekushandisa uye kusimudzira kuedza. Dimethylacetamide yakashandiswa sekuenzanisa kwakazara. Sodium thiocyanate nzira mbiri-nhanho uye dimethylacetamide organic wet nzira yakashandiswa. Iyo inovimbisa budiriro. Parizvino, akawanda acrylic fiber kumisikidzwa muChina anoshandisa nyoro maitiro achishandisa dimethylacetamide sechinhu chinonyungudutsa. -
Allyl doro CAS: 107-18-6
Allyl doro CAS: 107-18-6
nature
Mvura isina ruvara ine kunhuhwirira kwemasitadhi. Relative density o. 8520. Nzvimbo yechando -129 ℃. Kubikira poindi 96.9 ℃. Iyo tembiricha yakakosha i271.9 ℃. Flash point (kapu yakavharwa) 22.2℃. Inova vitreous pa -190 ℃. Refractive index 1. 4132. Miscible nemvura, ether, ethanol, chloroform uye petroleum ether.
use
Icho chiri chepakati chekugadzirwa kweglycerin, mishonga yemishonga, mishonga yezvipembenene, zvinonhuhwirira uye zvizorwa, uye zvakare chinhu chakabikwa chekugadzirwa kwediallyl phthalate resin uye bis(2,3-bromopropyl)fumarate. Silane zvinobva kune allyl doro uye copolymers ane styrene anoshandiswa zvakanyanya mukupfeka uye girazi.
fiber industry. Allyl urethane inogona kushandiswa mu photosensitive polyurethane coatings uye maindasitiri ekukanda.
kuchengeteka
Iine hwema hwakakosha uye inogona kutsamwisa zvakanyanya maziso, ganda, huro, uye mucous membranes. Muzviitiko zvakakomba, zvinogona kukonzera upofu. Kunamatira kune ganda kunogona kuita kuti rive dzvuku uye rinokonzera kupisa, uye rinokurumidza kunyura kuburikidza neganda, zvichikonzera kusagadzikana kwechiropa, nephritis, hematuria nezvimwe zviratidzo. Imwe yezvinwiwa zvakanyanya muchetura, iyo yemuromo LD50 mumakonzo ndeye 64rng/kg. Imbwa mukanwa LD50 40mg/kg. Iyo yakawanda inobvumirwa kusungirirwa mumhepo panzvimbo yekugadzira ndeye 5rng / m3. Panguva iyi, kushatirwa kwakasimba zvikuru uye hakugoni kushivirirwa kwenguva yakareba. Kana ikapfachura paganda, sukurudza nemvura uye wozora mushonga une girizi. Pfeka midziyo yekudzivirira paunenge uchishanda. -
Dicyclohexylamine CAS:101-83-7
Dicyclohexylamine CAS:101-83-7
Dicyclohexylamine inogadzirwa nekushandisa aniline seyakaomeswa uye hydrogenating iyo pakupisa kwepamusoro uye kudzvanywa kwepamusoro pamberi pechinhu chinokonzeresa.
Inoshandiswa zvakanyanya seyepakati mune organic synthesis uye inogona kushandiswa kugadzira dhayi intermediates, rubber accelerators, nitrocellulose pendi, zvipembenene, catalysts, preservatives, gas phase corrosion inhibitors uye mafuta antioxidant makemikari book additives, nezvimwewo. . Fatty acid salts uye sulfates ye dicyclohexylamine ine sipo inobvisa tsvina uye inoshandiswa mukudhinda, dhayi uye machira maindasitiri. Zvigadzirwa zvayo zvesimbi zvinoshandiswa sezvigadziriso zveinki uye pendi.
Mvura isina ruvara uye yakajeka ine mafuta ane pungent ammonia hwema. Zvishoma soluble mumvura, miscible with organic solvents. -
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.
