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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Qalabka cayriin ee dabiiciga ah: cycloalkylamines, monoamines aromatic, polyamines caraf udgoon iyo waxyaabaha ay ka soo jeedaan iyo cusbada. Muuqashada waa crystal cad. Inta badan loo isticmaalo dhex-dhexaadinta synthesis organic, synthesis ee alaabta organic functional iyo daawooyinka, iyo sidoo kale photochemistry iyo dhexdhexaad crystal dareere ah. Aan biyo ku milmin. Ku milmay benzene, toluene, methanol, ethanol.
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N, N-Dimethylacetamide CAS: 127-19-5
N, N-Dimethylacetamide CAS: 127-19-5
Waxyaabaha kiimikaad: Qalabka kiimikaad waxay aad ugu eg yihiin N, N-dimethylformamide, waana dareere amide wakiil. Maqnaanshaha aashitada ama alkali, ma dumin doonto marka lagu kululeeyo karkarinta cadaadiska caadiga ah, sidaas darteed waxaa lagu nadiifin karaa cadaadiska caadiga ah. Heerarka hydrolysis waa mid aad u gaabis ah. Marka N,N-dimethylacetamide oo ka kooban 5% biyo lagu kululeeyo 95°C 140 saacadood, kaliya 0.02% ayaa la nadiifiyaa. Si kastaba ha noqotee, joogitaanka aashitada iyo alkali, heerka hydrolysis ayaa kordha. Saponification waxay dhacdaa marka la kululeeyo joogitaanka alkali xooggan.
codsi
1. Daawada dhexe ee dimethylacetamide waa shay muhiim ah oo dawooyin ceeriin ah waxaana si weyn loogu isticmaalaa soo saarista amoxicillin, cephalosporins iyo dawooyinka kale. Sida dareere ama cocatalyst, dimethylacetamide waxay wanaajin kartaa tayada badeecada iyo wax-soosaarka marka la barbar dhigo dareerayaasha dabiiciga ah ee dhaqameed. Sannadkii 2000, baahida dimethylacetamide ee warshadaha dawooyinka waxay ahayd qiyaastii 6kt. Baahida dimethylacetamide ee 2006 waxay ahayd qiyaastii 9.6kt. 2. Wax-soo-saarka fiber-ka acrylic-ga Soo-saarka fiber-ka akril-ka, qaar ayaa isticmaala waddada dimethylacetamide. Waqtigan xaadirka ah, Buuga Kiimikada ah ee wax soo saarka fiber acrylic inta badan waxaa ka mid ah sodium thiocyanate hab laba-tallaabo ah, habka hal-tallaabo dimethylformamide iyo habka qoyan ee dimethylacetamide organic sida waafaqsan dareerayaasha. Marka laga eego habka habka iyo sifooyinka qalabka, isticmaalka alaabta, saameynta deegaanka, tayada alaabta, arrimo badan oo ay ka mid yihiin waxqabadka ka dambeeya, heerka deegaan iyo isbeddellada horumarinta shisheeye ayaa kordhay dadaalka cilmi-baarista iyo horumarinta. Dimethylacetamide waxaa loo isticmaalay isbarbardhig dhamaystiran. Sodium thiocyanate habka laba-tallaabo iyo habka qoyan ee dimethylacetamide ayaa la isticmaalay. Horumarka ugu rajada badan. Waqtigan xaadirka ah, qalabyo badan oo akrilik ah oo ku yaala Shiinaha waxay isticmaalaan hababka qoyan iyagoo isticmaalaya dimethylacetamide sida dareeraha. -
Alyl alkohol CAS: 107-18-6
Alyl alkohol CAS: 107-18-6
dabeecadda
dareere aan midab lahayn oo leh ur khardal le'eg. Cufnaanta qaraabada o. 8520. Barafka qaboojinta -129 ℃. Barta karkarinta 96.9 ℃. Heerkulka muhiimka ah waa 271.9 ℃. Dhibcaha Flash (koob xiran) 22.2 ℃. Waxay noqotaa vitreous at -190 ℃. Tilmaanta dib-u-soo-celinta 1. 4132. Isku-dhafan biyo, ether, ethanol, chloroform iyo ether petroleum.
isticmaal
Waa dhex dhexaad u ah soo saarista glycerin, daawooyinka, sunta cayayaanka, xawaashka iyo waxyaalaha la isku qurxiyo, sidoo kale waa walxo ceeriin ah oo loogu talagalay soo saarista diallyl phthalate resin iyo bis (2,3-bromopropyl) fumarate. Waxyaabaha Silane ee khamriga allyl iyo copolymers oo leh styrene ayaa si weyn loogu isticmaalaa daaha iyo galaaska
warshadaha fiber. Allyl urethane waxaa loo isticmaali karaa daahan poliurethane photosensitive iyo warshadaha shubka.
badbaadada
Waxay leedahay ur gaar ah waxayna si xooggan uga xanaajin kartaa indhaha, maqaarka, cunaha, iyo xuubabka. Xaaladaha daran, waxay keeni kartaa indho la'aan. Ku dhegganaanshaha maqaarku waxay sababi kartaa inuu casaan noqdo oo uu gubto, waxaana si dhakhso ah u nuugaya maqaarka, taas oo keenta cillado beerka, nephritis, hematuria iyo calaamado kale. Mid ka mid ah aalkolada ugu sunta badan, afka LD50 ee jiirka waa 64rng/kg. Eyga afka laga qaato LD50 40mg/kg. Xaddiga ugu badan ee la oggol yahay ee hawada ee goobta wax soo saarka waa 5rng/m3. Isku-duubnitaan, xanaaqu aad buu u xoog badan yahay oo looma dulqaadan karo muddo dheer. Haddii ay ku firdhiso maqaarka, biyo raaci oo mari dawo dufan ku salaysan. Xiro qalabka ilaalinta marka aad shaqaynayso. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine waxaa lagu diyaariyaa iyadoo aniline loo isticmaalo sida alaabta ceeriin iyo hydrogenating heerkulka sare iyo cadaadiska sare ee joogitaanka kicinta.
Waxaa si weyn loo isticmaalaa sida dhexdhexaad ah in synthesis organic iyo waxaa loo isticmaali karaa si ay u diyaariyaan dhexda dheeha, dardar caag ah, rinjiga nitrocellulose, cayayaanka, kicinta, preservatives, wajiga gaaska inhibitors daxalka iyo shidaalka lagu daro buug kiimikada antioxidant, iwm sidoo kale loo isticmaalo sida wakiilka fiirsato. . Cusbada dufanka leh iyo sulfates ee dicyclohexylamine waxay leeyihiin sifooyinka wasakhaynta saabuunta waxaana loo isticmaalaa daabacaadda, midabaynta iyo warshadaha dharka. Qalabkeeda birta ah ayaa loo isticmaalaa sidii kicinta khadadka iyo rinjiga.
dareere saliid leh oo aan midab lahayn oo hufan oo leh ur ammonia ah oo kacsan. Waxoogaa ku milmay biyaha, oo lagu khaldi karo dareerayaasha organic. -
N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
N-methylformamide saafi ah waa dareere aan midab lahayn, hufan oo muuqda, mp-3.8 ℃, bp198 ℃, n25D 1.4310, cufnaanta qaraabada 0.9986 (25 ℃), oo ku milma biyaha, waxay sidoo kale milmi kartaa cusbada aan organic ahayn, waana hygroscopic. Si sahal ah ayuu u burburaa xalalka acidic ama alkaline.
N-methylformamide waa walxo ceeriin ah oo dabiici ah oo muhiim ah. Waxaa loo isticmaalaa isku-darka sunta cayayaanka, cayayaanka iyo acaricides monoformamidine iyo diformamidine. Waxa kale oo loo isticmaalaa soo saarista dawooyinka, maqaar synthetic, maqaar macmal ah, iyo sida dareere loogu talagalay dunta fiber kiimikaad ah. .
Habka wax soo saarka 1. Habka Methylamine waxaa soo saaray falcelinta methylamine iyo carbon monoxide. 2. Habka Methyl formate waxaa lagu helaa falcelinta methyl formate iyo methylamine. 3. Laga helay falcelinta ethyl formate iyo methylamine. Ku dar qaabka ethyl reactor-ka, ku dar xal aqueous methylamine hoos qaboojinta, oo dib u soo celi falcelinta 40°C. Ka dib waxaa loo daayay 3 maalmood, iyo ethanol ayaa lagu soo kabsaday cadaadis la dhimay si loo helo badeeco ceeriin ah. Badeecada dhammaatay waxaa lagu helaa distillation hoos yimaada cadaadiska hoos u dhaca.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine waa qayb muhiim ah oo ka mid ah walxaha kiimikaad oo si weyn loogu isticmaalo sida alaabta ceeriin, dhex dhexaadinta ama alaabada. Tusaale ahaan, diamine waa unug dhismeed oo muhiim ah oo ka mid ah isku dhafka polyamide iyo falcelinta kale ee uumiga polymerization. N, N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) waa dhexdhexaad muhiim ah, oo loo isticmaalo tusaale ahaan diyaarinta warshadaha ee saliidaha. Intaa waxaa dheer, DMAPA waxaa loo isticmaalaa sida walxo ceeriin ah oo loogu talagalay diyaarinta xinjirowga lidka ku ah iyo lafteeda waa in ay lahaataa sifooyin ka hortag ah.
Waa dareere hufan oo aan midab lahayn. Ku milmay biyaha iyo dareerayaasha organic. Si ballaaran loo isticmaalo soo saarista alaabta ceeriin ee la isku qurxiyo, sida palmitamide dimethylpropylamine, cocamidopropyl betaine, saliid mink amidopropylamine, iwm.
Isticmaalka dimethylaminopropionitrile [1738-25-6] sida alaabta ceeriin, hydrogenation iyo methanol ayaa lagu daraa joogitaanka Ni-Al kicinta, ka dibna la sifeeyo oo la nadiifiyo si loo helo badeecada dhammaatay ee 3-dimethylaminopropylamine. Nadiifinta alaabta la helay waxay gaari kartaa in ka badan 99%, iyo tan kasta oo badeecada ah waxay isticmaashaa 1150kg of dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino) ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl (m-tolyl)amino) ethanol) waa dareere huruud ah oo khafiif ah iyo dhexdhexaadiye dheeh ah. Waxaa loo isticmaalaa in lagu soo saaro midabyo cationic ah, sida 6B casaanka ah. Waxa kale oo loo isticmaalaa sida alaabta ceeriin ee wax soo saarka ee horumarinta midabka iyo daawooyinka.
Isticmaalka: 1. Dhexdhexaadiyeyaasha dheeha.
Midda labaad, waxaa loo isticmaalaa in lagu soo saaro midabyo cationic ah, sida 6B casaanka ah.
3. Loo isticmaalo sida alaabada ceyriinka ah ee wax soo saarka midabka iyo daawooyinka.
habka wax soo saarka
1. habka m-toluidine
Waxaa laga soo diyaariyey m-toluidine iyo ethyl iodide sida alaabta ceeriin.
Labo, habka N-ethyl m-toluidine
Waxaa lagu diyaariyaa iyadoo la isticmaalayo N-ethyl m-toluidine sida walxo ceeriin ah oo la falgasha chloroethanol (ama ethylene oxide).
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N, N-Dimethylformamide CAS 68-12-2
Dimethylformamide waa dareere aan midab lahayn oo hufan. Ma aha oo kaliya walxo kiimiko ah oo si weyn loo isticmaalo, laakiin sidoo kale waa dareere aad u fiican oo leh adeegsi badan. Dimethylformamide waa walxo ceeriin ah oo muhiim u ah daawooyinka, batroolka, maqaarka iyo warshadaha kale.
Dimethylformamide waxaa loo yaqaan DMF. Waa xarun ay kooxda hydroxyl ee formic acid lagu beddelo koox dimethylamino ah, oo leh caanaha molecular HCON (CH3)2. Waa dareere heer sare ah oo karkaraya oo aan midab lahayn oo hufan oo leh ur amine khafiif ah iyo cufnaanta qaraabada ah 0.9445 (25 ℃). Barta dhalaalka -61 ℃. Barta karkarinta 152.8 ℃. Flash point 57.78 ℃ Cufnaanta uumiga 2.51. Cadaadiska uumiga 0.49kpa (3.7mmHg25 ℃). Barta otomaatiggu waa 445 ℃. Xadka qaraxa ee uumiga iyo isku dhafka hawada waa 2.2 ~ 15.2%. Soo-gaadhista holac furan iyo kulaylka sareeyo waxay sababi karaan gubasho iyo qarax. Waxay si xoog leh uga falcelin kartaa sulfuric acid iyo qiiqa nitric acid iyo xataa way qaraxdaa. Way ku khaldami kartaa biyaha iyo inta badan dareerayaasha organic. Waa dareere caadi ah falcelinta kiimikaad. Dimethylformamide saafi ah ma laha ur, laakiin darajada warshadaha ama dimethylformamide xumaatay waxay leedahay ur kalluun sababtoo ah waxay ka kooban tahay dimethylamine wasakh ah. Magaca ayaa ka yimid xaqiiqda ah in ay tahay beddelka dimethyl ee foramide (amide of formic acid), iyo labada kooxood ee methyl waxay ku yaalaan atamka N (nitrogen). Dimethylformamide waa dareere aprotic ah (hydrophilic) oo leh barta karkarinta sare, taas oo kor u qaadi karta habka falcelinta SN2. Dimethylformamide waxaa laga sameeyaa formic acid iyo dimethylamine. Dimethylformamide waa mid aan degganayn (gaar ahaan heerkulka sare) iyadoo ay jiraan saldhigyo xooggan sida sodium hydroxide ama acids xooggan sida hydrochloric acid ama sulfuric acid, iyo hydrolyzes si formic acid iyo dimethylamine.
Aad bay ugu xasilloon tahay hawada iyo marka lagu kululeeyo karkarinta. Marka heerkulku ka sarreeyo 350°C, waxay luminaysaa biyaha oo waxay dhalisaa kaarboon monoxide iyo dimethylamine. N, N-dimethylformamide waa dareere aprotic ah oo aad u wanaagsan kaas oo milmi kara inta badan walxaha dabiiciga ah iyo kuwa aan organic ahayn waxaana lagu khaldi karaa biyaha, khamriga, ethers, aldehydes, ketones, esters, hydrocarbons halogenated iyo hydrocarbons udgoon. . Dhamaadka si togan loo dallacay ee N,N-dimethylformamide molecule waxa ku hareeraysan kooxaha methyl, samaynta xayndaabka buuga Kiimikada ee ka hortagaya ion taban inay soo dhawaadaan oo kaliya waxay la xidhiidhaan ions togan. Anions bare ayaa aad uga firfircoon anions la xaliyay. Dareen-celinyo badan oo ionic ah ayaa fudud in lagu sameeyo N,N-dimethylformamide marka loo eego dareerayaasha guud ee protic. Tusaale ahaan, karboksylates iyo hydrocarbons halogenated waxay ka falceliyaan N, N-dimethylformamide heerkulka qolka. , waxay dhalin kartaa esters leh waxsoosaar sare, waxayna si gaar ah ugu habboon tahay isku dhafka esters-ka adag.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Midab la'aan ilaa dareere huruud ah. Leh ur gaar ah. Waxoogaa ku milmay biyaha, ku milmay dareerayaasha organic sida ethanol, ether, chloroform iyo benzene. Laga soo bilaabo falcelinta aniline iyo ethyl chloride. Kootada isticmaalka alaabta ceeriin: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, soodhaha caustic (42%) 1230kg/t, phthalic anhydride 29kg/t.
Waxaa loo isticmaali karaa in lagu diyaariyo midabada azo, midabada triphenylmethane, iwm. Sidoo kale waa dhexdhexaad muhiim ah oo loogu talagalay isku-darka daroogada iyo horumarinta filimada midabka, iyo codsiyadeedu waa mid aad u ballaaran.
Kaydinta : Bakhaarku waa la sii daayay oo la qalajiyey heerkul hooseeya; lagu kaydiyaa si gooni ah asiidhyada, oksaydhiyeyaasha iyo cuntada lagu daro. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Muuqaal Orange-cas ilaa dareere viscous ah.
Isticmaalka: Waxa loo isticmaalaa samaynta xabagta sarrifka anion, xuubka sarrifka ion, demulsifier saliid ceyriin, saliid lagu daro saliidda, iwm sidoo kale loo isticmaalo sida epoxy resin daaweynta iyo wax lagu daro syanide-free.
Solubility: ku milmay biyaha iyo ethanol, aan milmin ee ether, si fudud u nuugaya qoyaanka iyo carbon dioxide hawada, iyo samaynta cusbo u dhigma oo leh acids, kaas oo ku adkeyn doona heerkulka hooseeya.
Aad bay u fududahay in la qarxiyo marka ay la kulmaan saameyn, is jiid jiid, olol furan ama ilo kale oo shid. Ku kaydi bakhaar qabow, qalalan oo hawo leh oo loogu talagalay walxaha qarxa. Heerkulka kaydinta kama badna 32°C, qoyaanka qaraabaduna kama dhaafo 80%. Ka fogow dabka iyo ilaha kulaylka. Waa in si gooni ah loo kaydiyaa oksaydhiyeyaasha, acids, iyo alkalis, kana fogaadaan kaydinta isku dhafan. Lagu qalabeeyay noocyada ku habboon iyo tirada qalabka dabka. Qalab ku habboon waa in la diyaariyaa aagga kaydinta si ay ugu jiraan daadinta. Ma jiro gariir, saameyn iyo khilaaf.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
sifooyinka kiimikada
Alaabtani waxay ka soo dhalaalaysaa biyaha sidii budo cad. Ku milmi kara biyaha 25℃ waa 0.5g/L. Aan lagu milmin biyo qabow, aalkolo iyo dareerayaasha organic-ga guud. Ku milma sodium hydroxide, sodium carbonate iyo xalalka ammonia.
Habka wax soo saarka:
Falcelinta ethylenediamine iyo chloroacetic acid. Ku dar 100kg oo chloroacetic acid, 100kg oo baraf ah iyo 135kg oo ah sodium hydroxide (30%) kiliyaha falcelinta, ka dibna ku dar 18kg oo ah 83% ilaa 84% ethylenediamine hoostiisa. Ku dhaji 15 ° C ilaa 1 saac. Ku dar 30Chemicalbook% sodium hydroxide xal dufcad 10L mar kasta. Isku darka kasta ka dib, ku dar qayb kale ka dib marka xalka tijaabada phenolphthalein aanu muujin casaan. Ku hay heerkulka qolka 12 saacadood. Kuleyl ilaa 90 ° C oo ku beddel kaarboon firfircoon. Sifee, ku dhaq hadhaaga filtarka biyo, oo ugu dambeyntii ku hagaaji qiimaha pH ilaa 3 leh hydrochloric acid. Qabooji oo kristlize, shaandhee oo ku maydh biyo ilaa aanay jirin falcelin ion koloride ah. Alaabta la qalajiyey.
Falcelinta ethylenediamine ee leh formaldehyde iyo sodium cyanide. Isku qas 60% ethylenediamine xal aqueous, 30% sodium cyanide aqueous solution iyo sodium hydroxide, oo isku darka ku hay 20°C ilaa 0.5h. Ka dibna ku dar formaldehyde aqueous aqueous dropwide. Falcelinta ka dib, buuggii kiimikaad waa la demijiyay oo biyihii waa la uumi baxay. Ka dib ku celi hawlgalka kore, ku dar formaldehyde xad-dhaaf ah markii ugu dambeysay si loogu oggolaado sodium cyanide inay si buuxda uga falceliso. Ku hagaaji pH ilaa 1.2 oo leh aashito la badhxo. Roobab cad ayaa soo da'ay, la sifeeyay, biyo lagu maydhay, oo la engejiyey 110°C. Hel alaabta.
Ethylenediaminetetraacetic acid (EDTA) waa wakiil kakan oo muhiim ah. EDTA si weyn ayaa loo isticmaalaa waxaana loo isticmaali karaa sida hagaajinta bleaching ee farsamaynta qalabka sawir-qaadista, kaaliyeyaasha dheeha, kaabayaal farsamaynta fiber, daroogooyinka qurxinta, daawada xinjirowga lidka ku ah dhiiga, saabuunta, xasiliyayaasha, caag-caag synthetic polymerization initiators, EDTA waa wakiilka chelate walxaha isku dhafka ah. Waxay samayn kartaa dhismayaal kiimiko ah oo biyo-milmi kara oo leh biraha alkali, curiyeyaasha dhulka naadir iyo biraha kala-guurka. Marka laga soo tago cusbada soodhiyamka, waxa kale oo jira cusbada ammonium-ka iyo cusbada kala duwan sida birta, magnesium, calcium, copper, manganese, zinc, cobalt, iyo aluminium. Mid kasta oo ka mid ah cusbadaas waxay leedahay adeegsiyaal kala duwan. Intaa waxaa dheer, EDTA sidoo kale waxaa loo isticmaali karaa in si dhakhso ah looga saaro biraha shucaaca ee waxyeelada leh ee jirka bini'aadamka oo ay ka ciyaaraan door sun-saarid ah. Sidoo kale waa wakiilka biyaha lagu daweeyo. EDTA sidoo kale waa tilmaame muhiim ah, laakiin waxaa loo isticmaalaa in lagu titrate birta nikkel, copper, iwm. Marka la isticmaalo, waa in si wadajir ah loo isticmaalo ammonia si ay u shaqeeyaan sida tilmaame. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (sidoo kale loo yaqaan disodium EDTA) waa walax awood leh. Sababtoo ah xasilloonida sare ee joogtada ah iyo guryaha isuduwidda ballaaran, waxay ku dhawaad la falgeli kartaa inta badan ion birta marka laga reebo biraha alkali (Sida birta, naxaasta, kalsiyumka, magnesium iyo ion kale oo badan) chelate si ay u sameeyaan dhismayaal biyo-milmi leh oo deggan, baabi'inta ions birta ama falcelinta waxyeellada leh ee ay sababaan.
Disodium EDTA waa budo crystalline cad oo ku milmi biyaha oo ku dhawaad aan lagu milmi karin ethanol iyo ether. Qiimaha pH ee xalkeeda aqueous waxay ku saabsan tahay 5.3 waxaana loo isticmaalaa saabuunta, dheehiyeyaasha dheeha, wakiilada farsamaynta fiber, wax lagu daro qurxinta, cuntada lagu daro, bacriminta-yar-yar ee beeraha iyo Mariculture, iwm.
Disodium ethylenediaminetetraacetate waxaa loo isticmaalaa cuntada, daawada, qurxinta iyo alaabada kale. Disodium ethylenediaminetetraacetate heerka-cuntada waxaa loo isticmaali karaa xasiliye ahaan, xinjirowga dhiigga, antioxidant iyo ilaalinta, waxayna ilaalin kartaa midabka waxayna iska caabin kartaa oksaydhka. , Isku-dhafka ka-hortagga daxalka iyo saamaynta xasilinta.
