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N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
Pure N-methylformamide ndi madzi opanda mtundu, oonekera komanso a viscous, mp-3.8 ℃, bp198℃, n25D 1.4310, kachulukidwe wachibale 0.9986 (25 ℃), osungunuka m'madzi, amathanso kusungunula mchere wa inorganic, komanso ndi hygroscopic. Imawola mosavuta munjira za acidic kapena zamchere.
N-methylformamide ndi chinthu chofunikira kwambiri chopangidwa ndi organic. Amagwiritsidwa ntchito popanga mankhwala ophera tizilombo, mankhwala ophera tizilombo ndi ma acaricides monoformamidine ndi diformamidine. Amagwiritsidwanso ntchito popanga mankhwala, zikopa zopangira, zikopa zopangira, komanso ngati zosungunulira za nsalu zamafuta. .
Njira yopangira 1. Njira ya Methylamine imapangidwa ndi zomwe methylamine ndi carbon monoxide zimachita. 2. Njira ya Methyl formate imapezeka ndi machitidwe a methyl formate ndi methylamine. 3. Zomwe zimatengedwa kuchokera ku ethyl formate ndi methylamine. Onjezani ethyl formate mu riyakitala, onjezerani methylamine amadzimadzi njira pansi kuzirala, ndi reflux zimene anachita pa 40 ° C. Kenako anasiyidwa kwa masiku 3, ndipo Mowa anachira pansi pa kupsyinjika yafupika kupeza yaiwisi mankhwala. Chomalizidwacho chimapezedwa ndi distillation pansi pa kupanikizika kochepa.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine ndi gulu lofunikira la zinthu zomwe zimagwiritsidwa ntchito kwambiri ngati zopangira, zapakati kapena zopangira. Mwachitsanzo, diamine ndi gawo lofunikira pamapangidwe a polyamide ndi ma condensation polymerization reaction. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMPA) ndizofunikira zapakatikati, zomwe zimagwiritsidwa ntchito mwachitsanzo popanga mafuta opangira mafakitale. Kuphatikiza apo, DMPA imagwiritsidwa ntchito ngati zida zopangira ma coagulants ndipo palokha iyenera kukhala ndi Anti-corrosion properties.
Ndi madzi oonekera popanda mtundu. Zosungunuka m'madzi ndi organic solvents. Amagwiritsidwa ntchito kwambiri popanga zodzikongoletsera zopangira, monga palmitamide dimethylpropylamine, cocamidopropyl betaine, mink mafuta amidopropylamine, etc.
Pogwiritsa ntchito dimethylaminopropionitrile [1738-25-6] monga zopangira, hydrogenation ndi methanol zimawonjezeredwa pamaso pa Ni-Al catalyst, ndiyeno zimasefedwa ndi kusungunuka kuti zipeze mankhwala omaliza a 3-dimethylaminopropylamine. Kuyera kwa zinthu zomwe zapezedwa kumatha kufika kupitilira 99%, ndipo tani iliyonse yamankhwala imadya 1150kg ya dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino) ethanol) ndi madzi achikasu opepuka komanso utoto wapakatikati. Amagwiritsidwa ntchito popanga utoto wa cationic, monga cationic red 6B. Amagwiritsidwanso ntchito ngati zopangira kupanga opanga mitundu ndi mankhwala.
Kagwiritsidwe: 1. Mitundu ya utoto.
Chachiwiri, amagwiritsidwa ntchito popanga utoto wa cationic, monga cationic red 6B.
3. Amagwiritsidwa ntchito ngati zopangira popanga opanga mitundu ndi mankhwala.
njira yopanga
1. njira ya m-toluidine
Amapangidwa kuchokera ku m-toluidine ndi ethyl iodide ngati zopangira.
Awiri, N-ethyl m-toluidine njira
Imakonzedwa pogwiritsa ntchito N-ethyl m-toluidine ngati zopangira ndikuchita ndi chloroethanol (kapena ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide ndi madzi opanda mtundu komanso owoneka bwino. Sikuti amagwiritsidwa ntchito kwambiri mankhwala opangira mankhwala, komanso zosungunulira zabwino kwambiri zomwe zimagwiritsidwa ntchito mosiyanasiyana. Dimethylformamide ndi chinthu chofunikira kwambiri chopangira mankhwala, petrochemical, zikopa ndi mafakitale ena.
Dimethylformamide imatchedwa DMF. Ndi gulu lomwe gulu la hydroxyl la formic acid limasinthidwa ndi gulu la dimethylamino, ndi ndondomeko ya maselo HCON (CH3) 2. Ndi madzi otentha otentha opanda mtundu komanso owoneka bwino okhala ndi fungo lopepuka la amine komanso kachulukidwe ka 0.9445 (25 ℃). Malo osungunuka -61 ℃. Malo otentha 152.8 ℃. Flash point 57.78 ℃. Kuchuluka kwa mpweya 2.51. Kuthamanga kwa nthunzi 0.49kpa (3.7mmHg25 ℃). Autoignition point ndi 445 ℃. Kuphulika kwa malire a nthunzi ndi mpweya ndi 2.2 ~ 15.2%. Kuyaka ndi kutentha kwakukulu kungayambitse kuyaka ndi kuphulika. Imatha kuchita zachiwawa ndi sulfuric acid ndi fuming nitric acid komanso ngakhale kuphulika. Ndi miscible ndi madzi ndi zambiri organic solvents Chemicalbook. Ndi wamba zosungunulira kwa mankhwala zimachitikira. Dimethylformamide yoyera ilibe fungo, koma kalasi ya mafakitale kapena dimethylformamide yowonongeka imakhala ndi fungo la nsomba chifukwa imakhala ndi zonyansa za dimethylamine. Dzinali limachokera ku chakuti ndi dimethyl mmalo mwa formamide (amide ya formic acid), ndipo magulu onse a methyl ali pa atomu ya N (nitrogen). Dimethylformamide ndi polar (hydrophilic) aprotic solvent ndi malo otentha kwambiri, omwe angalimbikitse njira ya SN2 reaction. Dimethylformamide imapangidwa kuchokera ku formic acid ndi dimethylamine. Dimethylformamide ndi yosakhazikika (makamaka pa kutentha kwakukulu) pamaso pa maziko amphamvu monga sodium hydroxide kapena asidi amphamvu monga hydrochloric acid kapena sulfuric acid, ndi hydrolyzes ku formic acid ndi dimethylamine.
Imakhala yokhazikika mumlengalenga komanso ikatenthedwa mpaka kuwira. Kutentha kukakhala kopitilira 350 ° C, kumataya madzi ndikupanga carbon monoxide ndi dimethylamine. N,N-dimethylformamide ndi yabwino kwambiri aprotic polar zosungunulira zomwe zimatha kusungunula zinthu zambiri za organic ndi inorganic ndipo zimasakanikirana ndi madzi, ma alcohols, ethers, aldehydes, ketoni, esters, halogenated hydrocarbons ndi mafuta onunkhira a hydrocarbon. . Mapeto abwino a molekyulu ya N, N-dimethylformamide akuzunguliridwa ndi magulu a methyl, kupanga chotchinga cha Chemicalbook chotchinga chomwe chimalepheretsa ma ion kuti asayandikire ndikungogwirizanitsa ma ion abwino. Anion yopanda kanthu imakhala yogwira ntchito kwambiri kuposa anions osungunuka. Zochita zambiri za ayoni ndizosavuta kuchita mu N,N-dimethylformamide kuposa zosungunulira za protic. Mwachitsanzo, ma carboxylates ndi ma halogenated hydrocarbons amachita mu N,N-dimethylformamide pa kutentha kwapakati. , akhoza kupanga esters ndi zokolola zambiri, ndipo makamaka oyenera kaphatikizidwe wa sterically cholepheretsa esters.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Madzi opanda mtundu mpaka achikasu. Ali ndi fungo lapadera. Kusungunuka pang'ono m'madzi, kusungunuka mu zosungunulira organic monga ethanol, ether, chloroform ndi benzene. Amachokera ku zomwe aniline ndi ethyl chloride. Zopangira zopangira: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Ikhoza kugwiritsidwa ntchito pokonzekera utoto wa azo, utoto wa triphenylmethane, ndi zina zotero. Ndiwofunikanso pakati pa kaphatikizidwe ka mankhwala ndi opanga mafilimu amtundu, ndipo ntchito zake ndi zazikulu kwambiri.
Kusungirako : Nyumba yosungiramo katunduyo imakhala ndi mpweya wokwanira ndikuwumitsa kutentha kochepa; kusungidwa mosiyana ndi zidulo, okosijeni ndi zowonjezera zakudya. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Maonekedwe amadzimadzi ofiira mpaka bulauni.
Kagwiritsidwe: Amagwiritsidwa ntchito popanga utomoni wosinthanitsa ndi anion, nembanemba ya ion exchange, demulsifier yamafuta osakhazikika, mafuta opaka mafuta, ndi zina zambiri. Amagwiritsidwanso ntchito ngati epoxy resin kuchiritsa wothandizila ndi chowonjezera cha cyanide-free plating.
Solubility: sungunuka m'madzi ndi Mowa, insoluble mu etha, mosavuta zimatenga chinyezi ndi mpweya woipa mu mlengalenga, ndi kupanga lolingana mchere ndi zidulo, amene kulimba pa kutentha otsika.
Ndikosavuta kuphulika mukakumana ndi mphamvu, kukangana, lawi lotseguka kapena zoyatsira zina. Sungani m'nyumba yosungiramo zoziziritsa kukhosi, youma komanso mpweya wokwanira woperekedwa ku zida zophulika. Kutentha kosungirako sikudutsa 32 ° C ndipo chinyezi sichidutsa 80%. Khalani kutali ndi gwero la moto ndi kutentha. Ayenera kusungidwa mosiyana ndi ma okosijeni, zidulo, ndi zamchere, ndi kupewa kusungidwa kosakanizidwa. Okonzeka ndi mitundu yoyenera komanso kuchuluka kwa zida zozimitsa moto. Zida zoyenera ziyenera kupezeka m'malo osungiramo kuti mukhale ndi kutaya. Palibe kugwedezeka, kukhudza ndi kukangana.
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Ethylenediaminetetraacetic asidi CAS: 60-00-4
Ethylenediaminetetraacetic asidi CAS: 60-00-4
mankhwala katundu
Izi zimatuluka m'madzi ngati ufa woyera. Kusungunuka m'madzi pa 25 ℃ ndi 0.5g/L. Insoluble m'madzi ozizira, mowa ndi zonse organic solvents. Kusungunuka mu sodium hydroxide, sodium carbonate ndi ammonia solutions.
Njira yopangira:
Kuchita kwa ethylenediamine ndi chloroacetic acid. Onjezani 100kg ya chloroacetic acid, 100kg ya ayezi ndi 135kg ya sodium hydroxide solution (30%) mu ketulo yomwe mumachitira, ndiyeno onjezerani 18kg ya 83% mpaka 84% ethylenediamine pogwedeza. Yalirani pa 15 ° C kwa ola limodzi. Onjezani 30Chemicalbook% sodium hydroxide solution mumagulu a 10L nthawi iliyonse. Pambuyo powonjezerapo, onjezerani gulu lina pambuyo poti yankho la phenolphthalein silikuwonetsa zofiira. Sungani kutentha kwa 12h. Kutenthetsa mpaka 90 ° C ndikusintha mtundu ndi activated carbon. Sefa, sambani zotsalira za fyuluta ndi madzi, ndipo pamapeto pake sinthani pH kukhala 3 ndi hydrochloric acid. Kuziziritsa ndi crystallize, fyuluta ndi kusamba ndi madzi mpaka palibe chloride ion reaction. Zouma zouma.
Kuchita kwa ethylenediamine ndi formaldehyde ndi sodium cyanide. Sakanizani 60% ethylenediamine aqueous solution, 30% sodium cyanide aqueous solution ndi sodium hydroxide, ndi kusunga osakaniza pa 20 ° C kwa 0.5h. Kenako onjezerani formaldehyde amadzimadzi yankho dropwise. Zitachitika izi, buku la Chemical lidachepetsedwa ndipo madziwo adasanduka nthunzi. Kenako bwerezani opareshoni pamwambapa, ndikuwonjezera formaldehyde komaliza kuti sodium cyanide ichitepo kanthu. Sinthani pH kukhala 1.2 ndi dilute acid. Mvula yoyera imagwa, kusefa, kutsukidwa ndi madzi, ndikuwumitsa pa 110 ° C. Pezani mankhwala.
Ethylenediaminetetraacetic acid (EDTA) ndi chinthu chofunikira kwambiri chophatikiza. EDTA chimagwiritsidwa ntchito ndipo angagwiritsidwe ntchito ngati bleaching fixative mu processing wa zipangizo mtundu photosensitive, utoto wothandiza, CHIKWANGWANI processing wothandiza, zodzikongoletsera zina, magazi anticoagulants, detergents, stabilizers, kupanga mphira polymerization initiators, EDTA ndi chelate Woimira zinthu zosakaniza. Itha kupanga mamolekyu okhazikika osungunuka m'madzi okhala ndi zitsulo zamchere, zinthu zosowa zapadziko lapansi ndi zitsulo zosinthika. Kuphatikiza pa mchere wa sodium, palinso ammonium salt ndi mchere wosiyanasiyana monga chitsulo, magnesium, calcium, mkuwa, manganese, zinki, cobalt, ndi aluminium. Mchere uliwonse uli ndi ntchito zosiyanasiyana. Kuphatikiza apo, EDTA itha kugwiritsidwanso ntchito kutulutsa mwachangu zitsulo zowopsa za radioactive m'thupi la munthu ndikuchita gawo lochotsa poizoni. Ndiwothandiziranso madzi. EDTA imakhalanso chizindikiro chofunikira, koma imagwiritsidwa ntchito kutsitsa nickel yachitsulo, mkuwa, ndi zina. Mukagwiritsidwa ntchito, iyenera kugwiritsidwa ntchito pamodzi ndi ammonia kuti igwire ntchito ngati chizindikiro. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (yomwe imadziwikanso kuti disodium EDTA) ndi chelating agent yamphamvu. Chifukwa cha kukhazikika kwake kosalekeza komanso kulumikizana kwakukulu, imatha kuyanjana ndi ayoni ambiri achitsulo kupatula zitsulo zamchere (Monga chitsulo, mkuwa, calcium, magnesium ndi ma ion ena ambiri) chelate kuti ipange zovuta zosungunuka m'madzi, kuchotsa ma ion zitsulo kapena zotsatira zoipa chifukwa iwo.
Disodium EDTA ndi ufa woyera wa crystalline womwe umasungunuka m'madzi ndipo pafupifupi wosasungunuka mu ethanol ndi ether. Mtengo wa pH wa yankho lake lamadzi ndi pafupifupi 5.3 ndipo umagwiritsidwa ntchito mu zotsukira, zopangira utoto, zopangira ma fiber, zowonjezera zodzikongoletsera, zowonjezera chakudya, feteleza zazing'ono zaulimi ndi Mariculture, ndi zina zambiri.
Disodium ethylenediaminetetraacetate imagwiritsidwa ntchito muzakudya, mankhwala, zodzoladzola ndi zinthu zina. Food-grade disodium ethylenediaminetetraacetate ingagwiritsidwe ntchito ngati stabilizer, coagulant, antioxidant ndi preservative, ndipo imatha kuteteza mtundu ndi kukana okosijeni. , anti-corrosion synergy ndi stabilizing effect. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) ili ndi magulu 4 a carboxyl ndipo amatha kupanga disal, trisalt ndi tetrasalt. Mchere wa EDTA wamba monga disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) ndi ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) ndi kamolekyu kakang'ono kamene kamagwira ntchito zambiri komwe kumakhala ndi magulu a amino ndi carboxyl. Amagwiritsidwa ntchito kwambiri mu analytical chemistry ngati completing agent.
mankhwala katundu: White crystalline ufa. Kusungunuka m'madzi ndi asidi, osasungunuka mu mowa, benzene ndi chloroform.
Tetrasodium EDTA ndi chinthu chofunikira kwambiri chopangira zinthu komanso masking achitsulo. Itha kugwiritsidwa ntchito popaka utoto mumakampani opanga nsalu, chithandizo chamadzi, photosensitivity, mankhwala, mankhwala atsiku ndi tsiku, kupanga mapepala ndi mafakitale ena, monga chowonjezera, choyambitsa, chotsuka madzi, zitsulo zazitsulo za ion masking ndi activator mumakampani amphira a styrene-butadiene. . Mumakampani owuma a acrylic, amatha kuthana ndi kusokoneza kwachitsulo ndikuwongolera mtundu ndi kuwala kwa nsalu zopaka utoto. Itha kugwiritsidwanso ntchito mu zotsukira zamadzimadzi kuti muwongolere bwino kutsuka ndikuwonjezera kuchapa. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris (dimethylaminomethyl) phenol
CAS 90-72-2
Njira yopanga
Onjezerani phenol ndi 40% dimethylamine njira yamadzimadzi ku ketulo anachita, yambitsani ndikusakaniza mofanana, ozizira mpaka pansi pa 20 ° C, pang'onopang'ono onjezerani 30% formaldehyde amadzimadzi njira pansi kusonkhezera, ndi ulamuliro kumaliza Kuwonjezera pansipa 30 ° C. Pitirizani kuyambitsa pa 25-30 ° C kwa ola limodzi, kenaka kwezani kutentha kwa 90-95 ° C ndi reflux kwa maola awiri. Onjezani mchere kuti mulekanitse gawo la madzi, ndikulekanitsa gawo la mafuta kuti mugawe pang'onopang'ono kuti mupeze mankhwala omalizidwa. Zogulitsa zamakampani ndizoposa 95%.
Maonekedwe: Madzi opanda mtundu kapena achikasu owoneka bwino. Zoyaka.
Ntchito ngati wothandizila machiritso kwa thermosetting epoxy resins, zomatira, sealants kwa zipangizo laminate ndi pansi, asidi neutralizers ndi chothandizira kupanga polyurethane. -
DIETHYLENE TRIAMINE (DETA) 111-40-0
DIETHYLENE TRIAMINE (DETA) 111-40-0
chilengedwe
Yellow hygroscopic transparent viscous fluid ndi fungo lamphamvu la ammonia, loyaka komanso lamchere kwambiri. Amasungunuka m'madzi, acetone, benzene, ether, methanol, ndi zina zotero, osasungunuka mu n-heptane, komanso amawononga mkuwa ndi ma aloyi ake. Malo osungunuka -35 ℃. Malo otentha 207 ℃. Kuchulukana kwachibale o. 9586. Kung'anima mfundo 94 ℃. Refractive index 1. 4810. Mankhwalawa ali ndi reactivity ya amines yachiwiri ndipo amachitira mosavuta ndi mitundu yosiyanasiyana ya mankhwala. Zotulutsa zake zimakhala ndi ntchito zambiri.
ntchito
Izi makamaka ntchito monga zosungunulira ndi organic kaphatikizidwe wapakatikati, ndipo angagwiritsidwe ntchito pokonzekera epoxy utomoni kuchiritsa wothandizila mpweya, oyeretsa mpweya (kuchotsa CO2), mafuta owonjezera mafuta, emulsifiers, zithunzi mankhwala, surfactants, ndi womaliza nsalu. , chowonjezera mapepala, aminocarboxylic complexing agent, metal chelating agent, heavy metal hydrometallurgy ndi cyanide-free electroplating diffusion agent, lightener, ndi synthetic ion exchange resin ndi polyamide resin, etc. -
N,N-dimethylethanolamine CAS: 108-01-0
N,N-dimethylethanolamine CAS: 108-01-0
Ndi madzi opanda mtundu komanso fungo lonunkhira bwino. Kununkhira kwapakati: 0.25 ppm. Molecularweight 5 89.16; Malo otentha = 133 ℃; Kuzizira/kusungunuka =259℃; Kung'anima =41℃ (oc); Kutentha kwadzidzidzi 5 = 295 ℃. Malire ophulika: LEL 5 = 1.6%; UEL 5 = 11.9%. Kuzindikiritsa Zowopsa (zochokera pa NFPA-704M Rating System): Health 2, Flammability 2, Reactivity 0.Kusungunuka m'madzi.
Amadziwikanso kuti dimethylaminoethanol. Kafukufuku amasonyeza zinthu zolimbitsa khungu, komanso kuthekera kochepetsera maonekedwe a mizere yabwino ndi makwinya komanso mabwalo amdima pansi pa maso. Amaonedwa kuti ndi odana ndi ukalamba, komanso odana ndi kutupa, ndipo awonetsa ntchito zowononga zaulere. Amagwiritsidwanso ntchito ngati corrosion inhibitor, anti-scaling agent, penti additive, ❖ ❖ ❖ ❖ ❖ ❖ Amagwiritsidwanso ntchito ngati corrosion inhibitor, anti-scaling agent, penti additive, ❖ ❖ ❖ ❖ ♪ ♪ ♡, № ♪ ℃ Amagwiritsidwanso ntchito ngati wapakatikati pazosakaniza zopangira mankhwala ndi utoto. Imagwira ntchito ngati machiritso a polyurethanes ndi epoxy resins. Kuphatikiza apo, imagwiritsidwa ntchito ngati chowonjezera pamadzi opopera. Kuphatikiza pa izi, imagwiritsidwa ntchito pochiza ngati CNS stimulant.
