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N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
N-methylformamide dị ọcha bụ mmiri na-enweghị agba, transperent na viscous, mp-3.8 ℃, bp198 ℃, n25D 1.4310, njupụta ikwu 0.9986 (25 ℃), soluble na mmiri, nwekwara ike igbari inorganic salts, na bụ hygroscopic. Ọ dị mfe ire ere na ngwọta acidic ma ọ bụ alkaline.
N-methylformamide bụ ihe dị mkpa sitere n'okike sịntetik. A na-eji ya na njikọ nke pesticides, ụmụ ahụhụ na acaricides monoformamidine na diformamidine. A na-ejikwa ya na-emepụta ọgwụ, akpụkpọ anụ sịntetik, akpụkpọ anụ artificial, na ihe mgbaze maka textiles fiber chemical. .
Usoro mmepụta 1. Methylamine usoro na-emepụta site mmeghachi omume nke methylamine na carbon monoxide. 2. A na-enweta usoro methyl formate site na mmeghachi omume nke methyl formate na methylamine. 3. Nweta site na mmeghachi omume nke ethyl formate na methylamine. Tinye ethyl formate n'ime reactor, tinye methylamine aqueous ngwọta n'okpuru jụrụ oyi, na reflux mmeghachi omume na 40°C. Mgbe ahụ, a hapụrụ ya maka ụbọchị 3, a na-enwetakwa ethanol n'okpuru nrụgide dị ntakịrị iji nweta ngwaahịa crumb. A na-enweta ngwaahịa emechara site na distillation n'okpuru nrụgide belatara.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine bụ klaasị dị mkpa nke kemịkalụ nke a na-ejikarị dị ka akụrụngwa, etiti ma ọ bụ ngwaahịa. Dịka ọmụmaatụ, diamine bụ ihe dị mkpa nhazi nhazi na njikọ nke polyamide na mmeghachi omume polymerization ndị ọzọ condensation. N, N-dimethyl-1Chemicalbook, 3-diaminopropane (DMAPA) bụ ihe dị mkpa dị n'etiti, nke a na-eji dịka ọmụmaatụ na nkwadebe ụlọ ọrụ nke mmanụ aṅụ. Na mgbakwunye, a na-eji DMAPA mee ihe dị ka akụrụngwa maka nkwadebe nke coagulant na n'onwe ya kwesịrị inwe ihe mgbochi corrosion.
Ọ bụ mmiri mmiri transperent enweghị agba. Soluble na mmiri na organic solvents. A na-ejikarị emepụta akụrụngwa ịchọ mma, dị ka palmitamide dimethylpropylamine, cocamidopropyl betaine, mmanụ mink amidopropylamine, wdg.
Iji dimethylaminopropionitrile [1738-25-6] dị ka akụrụngwa, hydrogenation na methanol na-agbakwunyere na ọnụnọ nke Ni-Al catalyst, wee kpochaa na distilled iji nweta ngwaahịa 3-dimethylaminopropylamine emechara. Ịdị ọcha nke ngwaahịa enwetara nwere ike iru karịa 99%, na tọn ngwaahịa ọ bụla na-eri 1150kg nke dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino) ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2- (Ethyl (m-tolyl)amino)ethanol) bụ mmiri mmiri na-acha odo odo na-acha odo odo na etiti etiti. A na-eji emepụta ihe eji esiji cationic, dị ka cationic red 6B. A na-ejikwa ya dị ka akụrụngwa maka mmepụta nke ndị na-emepụta agba na ọgwụ.
Ojiji: 1. Ndị etiti agba agba.
Nke abụọ, a na-eji ya emepụta ihe eji esiji cationic, dị ka cationic red 6B.
3. Ejiri ya dị ka akụrụngwa maka mmepụta nke ndị na-emepụta agba na ọgwụ.
usoro mmepụta
1. m-toluidine usoro
A na-akwado ya site na m-toluidine na ethyl iodide dị ka akụrụngwa.
Abụọ, N-ethyl m-toluidine usoro
A na-akwado ya site na iji N-ethyl m-toluidine dị ka akụrụngwa na-emeghachi omume na chloroethanol (ma ọ bụ ethylene oxide).
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N, N-Dimethylformamide CAS 68-12-2
Dimethylformamide bụ mmiri mmiri na-enweghị agba na nke na-enweghị atụ. Ọ bụghị naanị kemịkalụ akụrụngwa a na-ejikarị eme ihe, kamakwa ọ bụ ihe mgbaze mara mma nke nwere ọtụtụ ojiji. Dimethylformamide bụ akụrụngwa dị mkpa maka ọgwụ, petrochemical, akpụkpọ anụ na ụlọ ọrụ ndị ọzọ.
A na-akpọ Dimethylformamide dị ka DMF. Ọ bụ ngwakọta nke hydroxyl otu formic acid na-eji otu dimethylamino dochie ya, ya na usoro molecular HCON (CH3) 2. Ọ bụ mmiri mmiri na-esi n'ebe dị elu na-enweghị agba na nke nwere isi amine dị ọkụ yana njupụta nke 0.9445 (25 ℃). Ebe mgbaze -61 ℃. Ebe esi mmiri 152.8 ℃. Ebe Flash 57.78 ℃. Njupụta uzuoku 2.51. Uzuoku mgbali 0.49kpa (3.7mmHg25 ℃). Autoignition point bụ 445 ℃. Oke mgbawa nke uzuoku na ngwakọta ikuku bụ 2.2 ~ 15.2%. Ọkụ na-emepe ọkụ na oke ọkụ nwere ike ime ka mgbawa ọkụ na mgbawa. Ọ nwere ike meghachi omume n'ike site na sulfuric acid gbadoro ụkwụ na fuming nitric acid na ọbụna gbawa. Ọ bụ miscible na mmiri na ọtụtụ organic solvents. Ọ bụ ihe mgbaze nkịtị maka mmeghachi omume kemịkal. Dimethylformamide dị ọcha enweghị isi, mana ọkwa ụlọ ọrụ mmepụta ihe ma ọ bụ dimethylformamide mebiri emebi nwere ísì azụ n'ihi na ọ nwere adịghị ọcha dimethylamine. Aha ahụ sitere n'eziokwu na ọ bụ dimethyl nnọchi nke foramide (amide nke formic acid), na otu methyl abụọ dị na atom N (nitrogen). Dimethylformamide bụ ihe mgbaze aprotic polar (hydrophilic) nke nwere isi ihe na-esi ísì ụtọ, nke nwere ike ịkwalite usoro mmeghachi omume SN2. A na-eme Dimethylformamide site na formic acid na dimethylamine. Dimethylformamide adịghị eguzosi ike (karịsịa na okpomọkụ dị elu) na ọnụnọ nke ntọala siri ike dị ka sodium hydroxide ma ọ bụ acid siri ike dị ka hydrochloric acid ma ọ bụ sulfuric acid, na hydrolyzes na formic acid na dimethylamine.
Ọ bụ nnọọ kwụsie ike na ikuku na mgbe kpụ ọkụ n'ọnụ ka esi. Mgbe okpomọkụ dị elu karịa 350 Celsius, mmiri na-efunahụ ya ma na-emepụta carbon monoxide na dimethylamine. N, N-dimethylformamide bụ ezigbo ihe mgbaze pola aprotic nke nwere ike igbari ọtụtụ organic na inorganic bekee na mmiri, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons na aromatic hydrocarbons. . The mma ebubo ọgwụgwụ nke N, N-dimethylformamide molekul bụ gburugburu methyl otu, na-eme a spatial Chemicalbook mgbochi nke na-egbochi ions ọjọọ ịbịarute ma na-ejikọta ezigbo ion. Anion iferi na-arụsi ọrụ ike karịa anions edoziziri. Ọtụtụ mmeghachi omume ion na-adị mfe ime na N, N-dimethylformamide karịa n'ozuzu protic solvents. Dịka ọmụmaatụ, carboxylates na halogenated hydrocarbons na-emeghachi omume na N, N-dimethylformamide na ụlọ okpomọkụ. , nwere ike ịmepụta esters nwere nnukwu mkpụrụ, ma dabara adaba maka njikọ nke esters na-egbochi sterically.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Mmiri mmiri na-acha odo odo na-enweghị agba. Nwere isi pụrụ iche. Na-agbaze ntakịrị na mmiri, soluble na organic solvents dị ka ethanol, ether, chloroform na benzene. E sitere na mmeghachi omume nke aniline na ethyl chloride. Oke oriri ihe oriri: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Enwere ike iji ya kwadebe akwa azo, triphenylmethane dyes, wdg Ọ bụkwa ihe dị mkpa n'etiti maka njikọ nke ọgwụ ọjọọ na ndị na-emepụta ihe nkiri agba, na ngwa ya dị nnọọ ukwuu.
Nchekwa : Ụlọ nkwakọba ihe na-eku ume ma kpoo ya na obere okpomọkụ; echekwara iche na acid, oxidants na ihe mgbakwunye nri. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Ọdịdị oroma-acha ọbara ọbara ruo nchara nchara nchara.
Ojiji: A na-eji resin mgbanwe anion, akpụkpọ ahụ mgbanwe ion, mmanụ demulsifier mmanụ, mmanụ mmanu mmanu, wdg. A na-ejikwa ya dị ka epoxy resin curing agent na cyanide-free plating additive.
Solubility: soluble na mmiri na ethanol, insoluble na ether, ngwa ngwa na-amịkọrọ mmiri na carbon dioxide n'ikuku, na-emepụta kwekọrọ ekwekọ salts na acid, nke ga-esi ike na obere okpomọkụ.
Ọ dị oke mfe ịgbawa mgbe enwere mmetụta, esemokwu, ọkụ mepere emepe ma ọ bụ isi mmalite mgbanye ọzọ. Chekwaa n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na nke ikuku ewepụtara maka ihe mgbawa. Okpomọkụ nchekwa anaghị agafe 32 Celsius C na iru mmiri adịghị agafe 80%. Wepụ ọkụ na isi mmalite okpomọkụ. Ekwesịrị ịchekwa ha iche site na oxidants, acids, na alkalis, ma zere ebe nchekwa agwakọta. Ejiri ụdị dị iche iche kwesịrị ekwesị na ọnụọgụ ngwa ọkụ. Ihe ndị kwesịrị ekwesị kwesịrị ịdị na ebe a na-echekwa ihe iji nwee ihe nwụfu. Enweghị ịma jijiji, mmetụta na esemokwu.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
chemical Njirimara
Ngwaahịa a na-esi na mmiri pụta dị ka ntụ ntụ ọcha. Solubility na mmiri na 25 ℃ bụ 0.5g / L. Na-adịghị ike soluble na mmiri oyi, mmanya na n'ozuzu organic solvents. Soluble na sodium hydroxide, sodium carbonate na ngwọta amonia.
Usoro mmepụta:
Mmeghachi omume nke ethylenediamine na chloroacetic acid. Tinye 100kg nke chloroacetic acid, 100kg nke ice na 135kg nke sodium hydroxide ngwọta (30%) n'ime kettle mmeghachi omume, wee tinye 18kg nke 83% na 84% ethylenediamine n'okpuru mkpali. Tinye ya na 15 Celsius C maka awa 1. Tinye 30Chemicalbook% sodium hydroxide ngwọta na batches nke 10L oge ọ bụla. Mgbe mgbakwunye nke ọ bụla, tinye ogbe ọzọ mgbe ngwọta nyocha phenolphthalein egosighi uhie. Debe na ụlọ okpomọkụ maka awa 12. Kpoo ọkụ ruo 90 Celsius ma jiri carbon arụ ọrụ mee ka agba gbanwee. Wepụta, jiri mmiri sachaa ihe fọdụrụ nzacha, ma mechaa dozie uru pH ka ọ bụrụ 3 site na iji hydrochloric acid gbanyere mkpọrọgwụ. Jụụ na kristal, kpochaa ma were mmiri saa ruo mgbe enweghị mmeghachi omume ion chloride. Ngwaahịa akpọnwụwo.
Mmeghachi omume nke ethylenediamine na formaldehyde na sodium cyanide. Gwakọta 60% ethylenediamine aqueous solution, 30% sodium cyanide aqueous solution na sodium hydroxide, ma debe ngwakọta ahụ na 20ºC maka 0.5h. Mgbe ahụ tinye formaldehyde aqueous ngwọta dropwise. Mgbe mmeghachi omume ahụ gasịrị, akwụkwọ kemịkal ahụ kwụsịrị ma wepụ mmiri ahụ. Mgbe ahụ megharịa ọrụ ahụ dị n'elu, gbakwụnye formaldehyde nke ikpeazụ maka oge ikpeazụ iji mee ka sodium cyanide meghachi omume kpamkpam. Gbanwee pH ka 1.2 na itughari acid. A na-ebuli mmiri na-acha ọcha, kpochaa, jiri mmiri saa ya, ma kpọọ nkụ na 110ºC. Nweta ngwaahịa ahụ.
Ethylenediaminetetraacetic acid (EDTA) bụ ihe dị mkpa na-emekọ ihe ọnụ. A na-eji EDTA eme ihe n'ọtụtụ ebe ma enwere ike iji ya dị ka ihe ndozi na-acha ọcha na nhazi nke ihe ndị na-ahụ anya na agba, ihe enyemaka ịcha akwa, ihe mgbakwunye fiber, ihe mgbakwunye ịchọ mma, ọgwụ mgbochi ọbara, ihe ncha, stabilizers, roba polymerization initiators, EDTA bụ ihe nnọchi anya chelate. Ọ nwere ike na-etolite ike mmiri-soluble chemical ogige na alkali ọla, obere ụwa ọcha na mgbanwe ọla. Na mgbakwunye na nnu sodium, e nwekwara nnu ammonium na nnu dị iche iche dị ka ígwè, magnesium, calcium, ọla kọpa, manganese, zinc, cobalt, na aluminom. Nke ọ bụla n'ime nnu ndị a nwere ojiji dị iche iche. Na mgbakwunye, EDTA nwekwara ike iji ngwa ngwa wepụ ọla redioaktivu na-emerụ ahụ n'ahụ mmadụ ma rụọ ọrụ na-emebi ihe. Ọ bụkwa onye na-ahụ maka ọgwụgwọ mmiri. EDTA bụkwa ihe ngosi dị mkpa, ma ọ na-eji titrate metal nickel, ọla kọpa, wdg. Mgbe ejiri ya, a ghaghị iji ya na amonia rụọ ọrụ dị ka ihe ngosi. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (nke a makwaara dị ka disodium EDTA) bụ ihe na-arụ ọrụ chelating siri ike. N'ihi nkwụsi ike ya dị elu na-adịgide adịgide na njikwa nhazi dị ukwuu, ọ fọrọ nke nta ka ọ bụrụ na ọ na-emekọrịta ihe na ọtụtụ ion metal ma e wezụga ọla alkali (dị ka ígwè, ọla kọpa, calcium, magnesium na ion multivalent ndị ọzọ) chelate na-etolite ụlọ siri ike na mmiri-soluble, na-ewepụ ion metal ma ọ bụ mmeghachi omume na-emerụ ahụ kpatara ha.
Disodium EDTA bụ ntụ ntụ kristal na-acha ọcha nke na-agbaze na mmiri na ọ fọrọ nke nta ka ọ bụrụ ihe a na-apụghị imeri eme na ethanol na ether. Uru pH nke ngwọta mmiri ya dị ihe dị ka 5.3 ma jiri ya mee ihe n'ime ihe nchacha, ihe enyemaka ịchaji, ndị na-edozi fiber, ihe mgbakwunye ịchọ mma, ihe mgbakwunye nri, micro-fattilizers na Mariculture, wdg.
A na-eji disodium ethylenediaminetetraacetate na nri, ọgwụ, ihe ịchọ mma na ngwaahịa ndị ọzọ. Enwere ike iji disodium ethylenediaminetetraacetate ọkwa nri dị ka ihe nkwụsi ike, coagulant, antioxidant na preservative, ma nwee ike ichebe agba na iguzogide oxidation. , mgbochi corrosion synergy na stabilizing mmetụta. -
Sodium edetate CAS: 64-02-8
Sodium edetate CAS: 64-02-8
Ethylenediaminetetraacetic acid (EDTA) nwere otu carboxyl 4 ma nwee ike na-etolite disalt, trisalt na tetrasalt. Nnu EDTA a na-ahụkarị gụnyere disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), dipotassium ethylenediaminetetraacetate (EDTA-2K) na ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) bụ obere molikula organic arụ ọrụ nke nwere amino na otu carboxyl. A na-eji ya n'ọtụtụ ebe na kemịka nyocha dị ka ihe na-agbagwoju anya.
Njirimara chemical: White crystalline ntụ ntụ. Na-agbaze n'ime mmiri na acid, nke na-adịghị edozi na mmanya, benzene na chloroform.
Tetrasodium EDTA bụ ihe dị mkpa na-agbagwoju anya na ihe mkpuchi igwe. Enwere ike iji ya na-esiji na ụlọ ọrụ akwa, ọgwụgwọ ịdị mma mmiri, fotosensitivity agba, ọgwụ, kemịkalụ kwa ụbọchị, imepụta akwụkwọ na ụlọ ọrụ ndị ọzọ, dị ka mgbakwunye, onye na-eme ihe, onye na-asachapụ mmiri, onye na-ahụ maka ion nke dara na onye na-eme ihe na ụlọ ọrụ roba styrene-butadiene. . N'ime usoro akọrọ acrylic ụlọ ọrụ, ọ nwere ike mebie nnyonye anya ígwè ma melite agba na nchapụta nke akwa ndị a na-esiji. Enwere ike iji ya na ihe ncha mmiri mmiri iji melite ogo ịsacha ma kwalite mmetụta ịsa ahụ. -
Tris (dimethylaminomethyl) phenol CAS 90-72-2
Tris (dimethylaminomethyl) phenol
CAS 90-72-2
Usoro nrụpụta
Tinye phenol na 40% dimethylamine mmiri mmiri na kettle mmeghachi omume, kpalie ma gwakọta nke ọma, dị jụụ n'okpuru 20 Celsius, jiri nwayọọ nwayọọ tinye 30% formaldehyde mmiri mmiri n'okpuru mkpali, na njikwa iji mezue mgbakwunye n'okpuru 30 Celsius. Gaa n'ihu na-akpalite na 25-30 ° C maka awa 1, wee bulie okpomọkụ ruo 90-95 Celsius C na reflux maka awa 2. Tinye nnu iji kewaa akụkụ mmiri, ma kewaa akwa mmanụ maka nkebi n'okpuru nrụgide dị ntakịrị iji nweta ngwaahịa emechara. Ọdịnaya ngwaahịa ụlọ ọrụ karịrị 95%.
Ọdịdị: mmiri mmiri transperent na-enweghị agba ma ọ bụ na-acha odo odo. Enwere ike ịgbanwu ọkụ.
A na-eji ya dị ka ihe na-agwọ ọrịa maka thermosetting epoxy resins, adhesives, sealants for laminate material and floor, acid neutralizers and catalysts na mmepụta nke polyurethane. -
DIETHYLENE TRIAmine (DETA) 111-40-0
DIETHYLENE TRIAmine (DETA) 111-40-0
okike
Yellow hygroscopic transperent viscous mmiri mmiri na pungent amonia isi, flammable na ike alkaline. Soluble n'ime mmiri, acetone, benzene, ether, methanol, wdg, na-adịghị edozi na n-heptane, na corrosive na ọla kọpa na alloys. Ebe mgbaze -35 ℃. Ebe esi nri 207 ℃. Njupụta nke ikwu o. 9586. Ọkụ ọkụ 94 ℃. Refractive index 1. 4810. Ngwaahịa a nwere reactivity nke abụọ amines na-adị mfe meghachi omume na a dịgasị iche iche nke ogige. Ihe mmepụta ya nwere ọtụtụ ojiji.
jiri
A na-ejikarị ngwaahịa a eme ihe dị ka ihe mgbaze na organic synthesis intermediate, na enwere ike iji kwadebe epoxy resin curing agents, gas purifiers (maka CO2 mwepụ), mmanụ mmanu mmanu mmanu, emulsifiers, foto chemicals, surfactants, na ákwà finishing agents. , akwụkwọ nkwalite, aminocarboxylic complexing agent, metal chelating agent, metal hydrometallurgy na cyanide-free electroplating diffusion agent, brightener, and synthetic ion exchange resin na polyamide resin, wdg. -
N, N-dimethylethanolamine CAS: 108-01-0
N, N-dimethylethanolamine CAS: 108-01-0
Ọ bụ mmiri mmiri na-enweghị agba nke na-esi ísì ụtọ. Ọnụ ụzọ isi ísì: 0.25 ppm. Molecular arọ 5 89.16; Ebe esi mmiri = 133 ℃; Ebe oyi na-agbaze =259℃; Ebe ọkụ = 41 ℃ (oc); Okpomọkụ akpaaka 5=295℃. Oke mgbawa: LEL 5=1.6%;UEL 5=11.9%. Identification Hazard (dabere na NFPA-704M Rating System): Health 2, Flammability 2, Reactivity 0.Soluble na mmiri.
A na-akpọkwa ya dimethylaminoethanol. Nnyocha na-egosi ihe na-eme ka akpụkpọ ahụ sie ike, yana ikike ibelata ọdịdị nke ahịrị dị mma na wrinkles yana ọchịchịrị gbara n'okpuru anya. A na-ewere ya dị ka ihe mgbochi ịka nká, na mgbochi mkpali, ma gosipụtala ọrụ nchacha n'efu. A na-ejikwa ya dị ka ihe mgbochi corrosion, onye na-eme ihe na-eme ka ọkpụkpụ, ihe mgbakwunye agba, ihe mgbakwunye mkpuchi na onye na-ekewapụ ihe siri ike. A na-ejikwa ya dị ka onye etiti maka ihe ndị na-emepụta ọgwụ na-arụ ọrụ na ihe eji esiji ákwà. Ọ na-eje ozi dị ka onye na-agwọ ọrịa maka polyurethane na epoxy resins. Ọzọkwa, a na-eji ya dị ka ihe mgbakwunye na mmiri ọkụ. Na mgbakwunye na nke a, a na-eji ọgwụgwọ eme ihe dị ka ihe mkpali CNS.
