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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Organic raw material: cycloalkylamines, aromatic monoamines, aromatic polyamines and their derivatives and salts. Fa foliga o le tioata papaʻe E le mafai ona solu ile vai. Soluble i benzene, toluene, methanol, ethanol。 mo le tulaga teuina, Taofi i se nofoaga pogisa, Faamaufaailoga i le mago, Temperature potu.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
O mea tau vaila'au: O mea tau vaila'au e tutusa lelei ma le N,N-dimethylformamide, ma o se sui amide solvent. I le leai o se acid po'o le alkali, o le a le pala pe a fa'avevela e fa'apuna i lalo o le mamafa masani, o lea e mafai ai ona fa'amama i lalo o le mamafa masani. Ole fua ole hydrolysis e matua tuai lava. A faʻamafanafanaina le N,N-dimethylacetamide o loʻo i ai le 5% le vai i le 95 ° C mo le 140 itula, naʻo le 0.02% e faʻafefeteina. Ae ui i lea, i le i ai o le gaʻo ma le alkali, e faʻateleina le fua o le hydrolysis. Saponification e tupu pe a vevela i le i ai o se alkali malosi.
talosaga
1. Pharmaceutical intermediate dimethylacetamide o se vailaʻau mataʻutia taua ma faʻaaogaina lautele i le gaosiga o le amoxicillin, cephalosporins ma isi vailaʻau. I le avea ai o se solvent poʻo le cocatalyst, e mafai e le dimethylacetamide ona faʻaleleia atili le lelei o oloa ma fua mai pe a faʻatusatusa i vailaʻau masani masani. I le 2000, o le manaʻoga mo le dimethylacetamide i le falemaʻi vailaʻau e tusa ma le 6kt. O le manaʻoga mo le dimethylacetamide i le 2006 e tusa ma le 9.6kt. 2. Fa'apipi'i alava fa'akomepiuta I le gaosiga o alava fa'akomepiuta, o nisi e fa'aogaina le ala o le dimethylacetamide. I le taimi nei, o le gaosiga o fibre acrylic i totonu o le fale Chemicalbook e masani ona aofia ai le sodium thiocyanate auala lua-laasaga, dimethylformamide auala tasi-laasaga ma le dimethylacetamide auala susu susu e tusa ai ma solvents. Mai le vaaiga o le faagasologa ma meafaigaluega uiga, taumafa meafaitino, aafiaga o le siosiomaga, tulaga lelei o oloa, O le tele o mea e pei o le post-processing faatinoga, localization fua faatatau ma faiga atinae mai fafo ua faateleina suesuega talosaga ma taumafaiga faalauiloa. Dimethylacetamide na faʻaaogaina e fai ma faʻatusatusaga atoatoa. Sa fa'aogaina le Sodium thiocyanate auala lua-laasaga ma le dimethylacetamide auala susu. Le atina'e sili ona manuia. I le taimi nei, o le tele o mea faʻapipiʻi fiber acrylic i Saina e faʻaogaina faiga susu e faʻaaoga ai le dimethylacetamide e fai ma solvent. -
Alyl alcohol CAS: 107-18-6
Alyl alcohol CAS: 107-18-6
natura
Suavai e le lanu ma le manogi o le sinapi. Tulaga va'aiga o. 8520. Fa'a'aisa -129℃. Fa'asao 96.9 ℃. Ole maualuga ole vevela ole 271.9℃. Ipu tapuni (ipu tapuni) 22.2℃. E avea ma vitreous ile -190℃. Fa'asinoga fa'asao 1. 4132. Fa'afefiloi ma vai, eter, ethanol, chloroform ma suau'u eter.
fa'aoga
O se vaeluaga mo le gaosiga o le glycerin, pharmaceuticals, pesticides, mea manogi ma cosmetics, ma o se mea mataʻutia mo le gaosiga o le diallyl phthalate resin ma bis (2,3-bromopropyl) fumarate. Silane o loʻo maua mai i le allyl alcohol ma copolymers faʻatasi ai ma styrene o loʻo faʻaaogaina lautele i paʻu ma tioata
alamanuia fiber. Allyl urethane e mafai ona faʻaaogaina i faʻaofuofu polyurethane photosensitive ma fale gaosi oloa.
saogalemu
E iai sona manogi fa'apitoa ma e mafai ona matua fa'afefe ai mata, pa'u, fa'a'i, ma mucous membranes. I tulaga ogaoga, e mafai ona mafua ai le tauaso. O le pipii atu i le pa'u e mafai ona liu mumu ma mu ai, ma e vave ona mitiia i le pa'u, ma mafua ai le faaletonu o le ate, nephritis, hematuria ma isi faailoga. O se tasi o ava sili ona oona, o le gutu LD50 i isumu e 64rng/kg. Maile tuugutu LD50 40mg/kg. Ole maualuga ole fa'atagaina ile ea ile nofoaga ole gaosiga ole 5rng/m3. I lenei faʻatonuga, o le ita e matua malosi ma e le mafai ona faʻafeiloaʻi mo se taimi umi. Afai e sausau i luga o le paʻu, fufulu i le vai ma faʻaaoga vailaʻau faʻavae gaʻo. Fai mea e puipui ai pe a fa'agaioi. -
Dicyclohexylamine CAS:101-83-7
Dicyclohexylamine CAS:101-83-7
Ua saunia le Dicyclohexylamine e ala i le faʻaaogaina o le aniline e fai ma mea mata ma faʻafefeteina i le maualuga o le vevela ma le maualuga o le mamafa i le i ai o se faʻamalosi.
E masani ona faʻaaogaina e avea o se vaeluagalemu i le faʻaogaina o meaola ma e mafai ona faʻaaogaina e saunia ai le vali, faʻavavevave paʻu, vali nitrocellulose, insecticides, catalysts, preservatives, inhibitors corrosion vaega kesi ma suauʻu antioxidant chemical book additives, ma isi. . Ga'o ga'o masima ma sulfates o le dicyclohexylamine o lo'o i ai le pisia-ave'esea meatotino o le fasimoli ma faʻaaogaina i le lomitusi, vali ma fale gaosi oloa. O ona u'amea lavelave o lo'o fa'aaogaina e fai ma fa'amalosi mo vaitusi ma vali.
Sua suau'u e le lanu ma manino ma le manogi ammonia. E solu teisi i le vai, fa'afefiloi ma so'o so'o. -
N-Methylformamide(NMF) CAS:123-39-7
N-Methylformamide(NMF) CAS:123-39-7
O le N-methylformamide mama o se vai e leai ni lanu, manino ma viscous, mp-3.8 ℃, bp198 ℃, n25D 1.4310, 0.9986 (25 ℃), solu i le vai, e mafai foʻi ona faʻamaʻapeina masima inorganic, ma e hygroscopic. E faigofie ona pala i vaifofo acidic po'o alkaline.
O le N-methylformamide ose mea fa'amea fa'akomepiuta taua. E faʻaaogaina i le tuʻufaʻatasia o vailaau faʻasaina, iniseti ma acaricides monoformamidine ma diformamidine. E faʻaaogaina foʻi i le gaosiga o vailaʻau, paʻu faʻapipiʻi, paʻu faʻapitoa, ma e avea o se solvent mo textiles fibre vailaʻau. .
Gaosiga auala 1. Methylamine auala e gaosia e ala i le tali atu o le methylamine ma carbon monoxide. 2. Methyl formate auala e maua i le tali atu o le methyl formate ma le methylamine. 3. Maua mai le tali a le ethyl formate ma le methylamine. Fa'aopoopo le ethyl formate i totonu o le fa'a'a'amea, fa'aopoopo le vaifofo vai o le methylamine i lalo o le mālūlū, ma toe fa'afo'i le tali ile 40°C. Ona tu'u ai lea mo le 3 aso, ma toe maua mai le ethanol i lalo o le fa'aitiitia o le mamafa ina ia maua ai le oloa mama. O le oloa maeʻa e maua e ala i le faʻamama i lalo o le faʻaitiitia o le mamafa.
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3-Dimethylaminopropylamine CAS: 109-55-7
O le Diamine o se vaega taua o vailaʻau faʻaonaponei e masani ona faʻaaogaina e pei o mea mataʻutia, mea vavalalata poʻo oloa. Mo se faʻataʻitaʻiga, o le diamine o se iunite faʻavae taua i le tuʻufaʻatasia o le polyamide ma isi faʻalavelave faʻapipiʻi polymerization. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) o se mea taua tele, faʻaaogaina mo se faʻataʻitaʻiga i le gaosiga o fale gaosi oloa lubricants. E le gata i lea, o le DMAPA o loʻo faʻaaogaina e avea o se mea mataʻutia mo le sauniuniga o coagulants ma e tatau ona iai ni mea e faʻamaʻi ai.
E le lanu manino le vai. Solu i le vai ma solu fa'aletino. Faʻaaogaina lautele i le gaosiga o mea teuteu mataʻutia, e pei o le palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, ma isi.
O le faʻaaogaina o le dimethylaminopropionitrile [1738-25-6] e pei o mea mata, hydrogenation ma methanol e faʻaopoopoina i le i ai o le Ni-Al catalyst, ona faʻamama ma faʻafefeteina e maua ai le oloa maeʻa o le 3-dimethylaminopropylamine. O le mama o le oloa maua e mafai ona oʻo atu i le sili atu i le 99%, ma o tone taʻitasi o oloa e faʻaaogaina le 1150kg o le dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)etanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) ose vai samasama malamalama ma se vali vaeluagalemu. Fa'aoga e gaosia ai vali cationic, pei ole cationic red 6B. E faʻaaogaina foi e avea o se mea mataʻutia mo le gaosiga o lanu lanu ma vailaʻau.
Fa'aaogāina: 1. Va'au va'aiga.
Lona lua, o lo'o fa'aaogaina e gaosia ai vali cationic, pei ole cationic red 6B.
3. Faʻaaogaina e fai ma mea mataʻutia mo le gaosiga o lanu lanu ma vailaʻau.
auala gaosiga
1. auala m-toluidine
E saunia mai le m-toluidine ma le ethyl iodide e fai ma mea mata.
Lua, N-ethyl m-toluidine metotia
E saunia e ala i le faʻaaogaina o le N-ethyl m-toluidine e fai ma mea mata ma faʻafefe i le chloroethanol (poʻo le ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide o se vai e leai ni lanu ma manino. E le gata o se vailaʻau faʻaaogaina lautele, ae o se solvent sili ona lelei ma le tele o faʻaoga. O le Dimethylformamide o se mea taua tele mo vailaʻau, petrochemical, paʻu ma isi pisinisi.
Dimethylformamide ua taʻua o le DMF. O se tuufaatasiga lea e suia ai le vaega hydroxyl o le formic acid i se vaega dimethylamino, faatasi ai ma le fua mole mole HCON(CH3)2. O se vai e leai se lanu ma manino maualuga-puna vai ma se manogi amine mama ma se density vavalalata o le 0.9445 (25 ℃). Liu liusuavai -61℃. Fa'asao 152.8℃. Fa'amumū 57.78℃. Ausa malosi 2.51. Ausa mamafa 0.49kpa (3.7mmHg25 ℃). E 445C. O le faʻalavelave faʻalavelave o le ausa ma le faʻafefiloi o le ea e 2.2 ~ 15.2%. O le fa'aalia i le afi matala ma le vevela maualuga e ono mafua ai le mu ma pa. E mafai ona fa'aoso fa'amalosi i le sulfuric acid concentrated ma fuming nitric acid ma e o'o lava ina pa. E fa'afefiloi i le vai ma le tele o vaila'au fa'aletino. O se vaifofo masani mo gaioiga fa'ama'i. O le dimethylformamide mama e leai se manogi, ae o tulaga fale gaosi oloa po'o le leaga o le dimethylformamide e manogi i'a aua o lo'o i ai mea leaga ole dimethylamine. O le igoa e sau mai le mea moni e faapea o se dimethyl suitulaga o formamide (amide of formic acid), ma o vaega uma o le methyl o loʻo i luga o le N (nitrogen) atom. O le Dimethylformamide o se polar (hydrophilic) aprotic solvent ma se maualuga maualuga, lea e mafai ona faʻalauiloaina le SN2 reaction mechanism. Dimethylformamide e faia mai le formic acid ma le dimethylamine. Dimethylformamide e le mautu (aemaise lava i le maualuga o le vevela) pe a iai ni faʻavae malosi e pei o le sodium hydroxide poʻo mea malosi e pei ole hydrochloric acid poʻo le sulfuric acid, ma faʻafefeteina ile formic acid ma le dimethylamine.
E matua mautu i le ea ma pe a faʻavevela seia faʻafefe. A maualuga le vevela nai lo le 350°C, e leiloa le vai ma maua ai le carbon monoxide ma le dimethylamine. O le N,N-dimethylformamide o se mea e sili ona lelei aprotic polar solvent e mafai ona faʻamavaeina le tele o mea faʻapitoa ma mea faʻapitoa ma e faʻafefiloi ma vai, ava malosi, ethers, aldehydes, ketones, esters, halogenated hydrocarbons ma aromatic hydrocarbons. . O le fa'ai'uga lelei o le N,N-dimethylformamide mole o lo'o si'osi'omia e vaega methyl, e fai ai se pa puipui fa'apitonu'u e taofia ai ion leaga mai le fa'alatalata mai ma na'o fa'afeso'ota'i iona lelei. E sili atu le malosi o anion fa'atosina nai lo anion fa'amavae. O le tele o gaioiga fa'aona e faigofie ona fa'atinoina i le N,N-dimethylformamide nai lo so'o fa'apolokalame lautele. Mo se fa'ata'ita'iga, ga'o carboxylates ma halogenated hydrocarbons i le N,N-dimethylformamide ile vevela potu. , e mafai ona gaosia esters ma fua maualuga, ma e sili ona talafeagai mo le tuufaatasia o esters sterically taofia.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Le lanu samasama vai. E iai sona manogi fa'apitoa. Solu teisi i le vai, solu i solu fa'aola pei ole ethanol, eter, chloroform ma benzene. E mafua mai i le tali a le aniline ma le ethyl chloride. Ole aofa'i ole fa'aaogāina o mea mata'utia: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, sua (42%) 1230kg/t, phthalic anhydride 29kg/t.
E mafai ona faʻaaogaina e saunia ai vali azo, vali triphenylmethane, ma isi. O se mea taua tele mo le tuʻufaʻatasia o vailaʻau ma faʻataʻitaʻiga ata lanu, ma o ana faʻaoga e matua lautele lava.
Teuina : O le faleteuoloa e faʻafefe ma faʻagogo i le maualalo o le vevela; teu ese mai acids, oxidants ma mea'ai faaopoopo. -
Polyethylene-polyamine CAS: 68131-73-7
Polyethylene-polyamine CAS: 68131-73-7
Foliga moli-mumu i le lanu viscous vai.
Fa'aoga: Fa'aoga mo le faia o resini fa'afesuia'i anion, membrane fa'afesuia'i o le ion, demulsifier o le suau'u mama, fa'aopoopo fa'apipi'i suau'u, ma isi mea. Fa'aaogā fo'i e fai ma sui fa'amalolo epoxy resin ma mea fa'apipi'i fa'apipi'i e leai se cyanide.
Solubility: soluble i le vai ma le ethanol, insoluble i le ether, e faigofie ona mitiia le susu ma le carbon dioxide i le ea, ma fai masima tutusa ma acids, lea o le a faʻamalosia i le maualalo o le vevela.
E matua faigofie lava ona pa pe a fa'aalia i le a'afiaga, fete'ena'iga, mu matala po'o isi fa'apogai. Teu i totonu o se faleteuoloa malulu, mago ma fa'aalili e fa'apitoa mo mea pāpā. O le vevela o le teuina e le sili atu i le 32 ° C ma o le susu e le sili atu i le 80%. Taofi mai le afi ma le vevela. E tatau ona teu ese mai oxidants, acids, ma alkalis, ma aloese mai le teuina fefiloi. Faʻapipiʻiina i le ituaiga talafeagai ma le aofaʻi o mea afi afi. E tatau ona maua mea talafeagai i totonu o le nofoaga e teu ai ina ia taofiofia masaa. Leai se vibration, a'afiaga ma fesiitaiga.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
mea tau kemisi
O lenei oloa e fa'a tioata mai le vai e pei o le pauta pa'epa'e. Ole solubility ile vai ile 25℃ ole 0.5g/L. E le mafai ona fa'afefeteina i vai malulu, ava malosi ma vaifofo masani masani. Solu i le sodium hydroxide, sodium carbonate ma vaifofo ammonia.
Gaosiga auala:
Tali a le ethylenediamine ma le chloroacetic acid. Faaopopo le 100kg o le chloroacetic acid, 100kg o le aisa ma le 135kg o le sodium hydroxide solution (30%) i totonu o le ulo tali, ona faaopoopo lea o le 18kg o le 83% i le 84% ethylenediamine i lalo o le faʻafefe. Taofi ile 15°C mo le 1 itula. Fa'aopoopo le 30Chemicalbook% solution sodium hydroxide i vaega o le 10L i taimi ta'itasi. A mae'a fa'aopoopo ta'itasi, fa'aopoopo i ai se isi vaega pe a uma ona le mumu le vaifofo ole su'ega phenolphthalein. Taofi ile vevela ole potu mo le 12h. Fa'avevela i le 90°C ma fa'ate'aina i le kaponi fa'agaoioia. Fa'amama, fufulu le fa'amama fa'amama i le vai, ma fa'ai'u fa'atulaga le tau o le pH i le 3 fa'atasi ai ma le fa'ato'a fa'asa'o. Fa'alili ma fa'a tioata, fa'amama ma fufulu ile vai se'ia leai se tali ole chloride ion. Mea mamago.
Tali a le ethylenediamine ma le formaldehyde ma le sodium cyanide. Faafefiloi le 60% ethylenediamine solution vai, 30% sodium cyanide solution aqueous ma le sodium hydroxide, ma taofi le paluga i le 20°C mo le 0.5h. Ona fa'aopopo lea o le vai formaldehyde i le matāua. A mae'a le tali, na fa'amama le tusi vaila'au ma fa'asao le vai. Ona toe fai lea o le gaioiga o loʻo i luga, faʻaopoopo le formaldehyde sili atu mo le taimi mulimuli e faʻataga ai le sodium cyanide e tali atoatoa. Fetuuna'i le pH i le 1.2 fa'atasi ai ma le suka fa'afefete. O se pa'epa'e pa'epa'e na fa'afefeteina, fa'amama, fufulu i le vai, ma fa'amago i le 110°C. Maua le oloa.
O le Ethylenediaminetetraacetic acid (EDTA) o se mea faʻalavelave taua. EDTA e masani ona faʻaaogaina ma e mafai ona faʻaaogaina e pei o le bleaching fixative i le gaosiga o mea lanu photosensitive, vali vali, fiber processing auxiliaries, cosmetic additives, toto anticoagulants, detergents, stabilizers, synthetic initiators polymerization, EDTA o se chelate Sui mea o paluga. E mafai ona fausia ni fa'alavelave fa'a-soluble vai fa'atasi ma metala alkali, elemene e le masani ai le eleele ma metala suiga. I le faaopoopo atu i masima sodium, e iai foi masima ammonium ma masima eseese e pei o le uʻamea, magnesium, calcium, copper, manganese, zinc, cobalt, ma le alumini. O nei masima taitasi e eseese lona aoga. E le gata i lea, e mafai foi ona faʻaaogaina le EDTA e faʻamalo vave ai metala radioactive leaga mai le tino o le tagata ma faia se vaega faʻamama. O se vailaau foi e togafitia vai. EDTA o se faailoga taua foi, ae e faʻaaogaina e titrate uʻamea nickel, apamemea, ma isi. A faʻaaogaina, e tatau ona faʻaoga faʻatasi ma le amonia e galue ai o se faʻailoga. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (lea e taʻua foi o le disodium EDTA) o se sui malosi chelating. Ona o lona mautu maualuga tumau ma le tele faamaopoopo meatotino, e mafai ona toetoe lava fegalegaleai ma le tele o ion uʻamea vagana ai metals alkali (E pei o uʻamea, kopa, calcium, magnesium ma isi multivalent ions) chelate e fausia vai-soluble complexes mautu, aveesea ions uʻamea po aafiaga leaga e mafua mai ia i latou.
Disodium EDTA ose pa'epa'e tioata pa'epa'e e solu i le vai ma toetoe lava a le mafai ona solu i ethanol ma eter. O le tau o le pH o lona vaifofo vai e tusa ma le 5.3 ma e faʻaaogaina i vailaʻau faʻamaʻi, vali vali, mea faʻapipiʻi fiber, mea faʻapipiʻi meaʻai, meaʻai, faʻatoʻaga micro-fertilizers ma Mariculture, ma isi.
Disodium ethylenediaminetetraacetate e faʻaaogaina i meaʻai, vailaʻau, mea teuteu ma isi oloa. Food-grade disodium ethylenediaminetetraacetate e mafai ona faʻaaogaina e fai ma faʻamautu, coagulant, antioxidant ma faʻasao, ma mafai ona puipuia le lanu ma tetee atu i le faʻamaʻiina. , anti-corrosion synergy ma fa'amautu aafiaga.
