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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Ihe eji eme ihe: cycloalkylamines, aromatic monoamines, aromatic polyamines na usoro ha na salts. Ọdịdị bụ kristal na-acha ọcha.A na-ejikarị ya eme ihe maka etiti njikọ organic, njikọ nke ihe na-arụ ọrụ organic na ọgwụ, yana photochemistry na mmiri mmiri crystal intermediates. Na-adịghị edozi na mmiri. Soluble na benzene, toluene, methanol, ethanol. maka ọnọdụ nchekwa, Debe n'ebe gbara ọchịchịrị, kpuchie ya na nkụ, okpomọkụ ụlọ.
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N, N-Dimethylacetamide CAS: 127-19-5
N, N-Dimethylacetamide CAS: 127-19-5
Njirimara kemịkalụ: Njirimara kemịkalụ yiri N, N-dimethylformamide, ọ bụkwa onye nnọchi anya amide mgbaze. Na enweghị acid ma ọ bụ alkali, ọ gaghị emebi emebi mgbe ọ na-ekpo ọkụ ka ọ na-esi ísì n'okpuru nrụgide nkịtị, n'ihi ya, ọ nwere ike imebi ya n'okpuru nrụgide nkịtị. Ọnụọgụ hydrolysis na-adị ngwa ngwa. Mgbe N, N-dimethylacetamide nwere 5% mmiri na-ekpo ọkụ na 95 Celsius maka awa 140, naanị 0.02% bụ hydrolyzed. Agbanyeghị, na ọnụnọ acid na alkali, ọnụego hydrolysis na-abawanye. Saponification na-eme mgbe a na-ekpo ọkụ na ọnụnọ nke alkali siri ike.
ngwa
1. Pharmaceutical intermediate dimethylacetamide bụ ihe dị mkpa ọgwụ akụrụngwa na-eji ọtụtụ ebe na mmepụta nke amoxicillin, cephalosporins na ọgwụ ndị ọzọ. Dị ka ihe mgbaze ma ọ bụ cocatalyst, dimethylacetamide nwere ike melite ogo ngwaahịa na mkpụrụ ma e jiri ya tụnyere ihe mgbaze organic omenala. Na 2000, ọchịchọ maka dimethylacetamide na ụlọ ọrụ ọgwụ bụ ihe dịka 6kt. Ọchịchọ maka dimethylacetamide na 2006 bụ ihe dịka 9.6kt. 2. Mmepụta fiber acrylic Na mmepụta nke eriri acrylic, ụfọdụ na-eji ụzọ dimethylacetamide. Ka ọ dị ugbu a, mmepụta ihe acrylic fiber n'ime ụlọ bụ nke gụnyere sodium thiocyanate usoro nzọụkwụ abụọ, dimethylformamide otu nzọụkwụ na dimethylacetamide organic wet usoro dị ka ihe mgbaze. Site n'echiche nke usoro na njirimara akụrụngwa, oriri ihe onwunwe, mmetụta gburugburu ebe obibi, àgwà ngwaahịa, Ọtụtụ ihe dị ka arụmọrụ post-processing, ọnụọgụ mpaghara na mmepe mmepe mba ọzọ amụbawo nyocha ngwa na nkwalite nkwalite. A na-eji Dimethylacetamide mee ntụnyere zuru oke. Sodium thiocyanate usoro nzọụkwụ abụọ na dimethylacetamide organic wet ka ejiri mee ihe. Ihe mmepe kachasị mma. Ka ọ dị ugbu a, ọtụtụ nrụnye eriri acrylic na China na-eji usoro mmiri mmiri na-eji dimethylacetamide dị ka ihe mgbaze. -
Alyl mmanya CAS: 107-18-6
Alyl mmanya CAS: 107-18-6
okike
Mmiri mmiri na-enweghị agba nwere ísì mọstad na-esi ísì ụtọ. Njupụta nke ikwu o. 8520. Ebe oyi -129 ℃. Ebe esi mmiri 96.9 ℃. Ọnọdụ okpomọkụ dị egwu bụ 271.9 ℃. Ebe Flash (Cup mechiri emechi) 22.2 ℃. Ọ na-aghọ vitreous na -190 ℃. Refractive index 1. 4132. Miscible na mmiri, ether, ethanol, chloroform na petroleum ether.
jiri
Ọ bụ ihe dị n'etiti maka mmepụta nke glycerin, ọgwụ ọgwụ, pesticides, ngwa nri na ihe ịchọ mma, ọ bụkwa ihe eji eme ihe maka mmepụta nke diallyl phthalate resin na bis (2,3-bromopropyl) fumarate. A na-eji ihe ndị sitere na Silane nke mmanya alyl na copolymers nwere styrene na mkpuchi na iko.
ụlọ ọrụ eriri. Enwere ike iji Allyl urethane mee ihe na mkpuchi mkpuchi polyurethane foto na ụlọ ọrụ nkedo.
nchekwa
Ọ nwere isi pụrụ iche ma nwee ike ịkpasu anya, akpụkpọ ahụ, akpịrị, na akpụkpọ anụ mucous. N'ọnọdụ ndị siri ike, ọ nwere ike ime ka kpuru ìsì. Ịrapara na akpụkpọ ahụ nwere ike ime ka ọ gbanwee na-acha uhie uhie ma mee ka ọkụ na-enwu, ma na-abanye ngwa ngwa site na akpụkpọ ahụ, na-akpata ọrịa imeju, nephritis, hematuria na mgbaàmà ndị ọzọ. Otu n'ime mmanya na-egbu egbu, LD50 ọnụ na oke bụ 64rng/kg. Nkịta ọnụ LD50 40mg/kg. Ọnụ ọgụgụ kacha elu na-ekwe ka ikuku dị na saịtị mmepụta bụ 5rng / m3. Na ntinye uche a, mgbakasị ahụ siri ike nke ukwuu na enweghị ike ịnagide ya ruo ogologo oge. Ọ bụrụ na ọ na-efesa n'akpụkpọ ahụ, jiri mmiri sachaa ma tinye ọgwụ ndị sitere na griiz. Yiri akụrụngwa nchebe mgbe ị na-arụ ọrụ. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
A na-akwadebe Dicyclohexylamine site na iji aniline dị ka ihe eji eme ihe na hydrogenating ya na okpomọkụ dị elu na nrụgide dị elu n'ihu onye na-eme ka ọ dị elu.
Ọ na-ọtụtụ-eji dị ka intermediate na organic njikọ na ike ga-eji na-eji kwadebe agba intermediates, roba accelerators, nitrocellulose paints, ụmụ ahụhụ, catalysts, preservatives, gas frasi corrosion inhibitors na mmanụ ụgbọala antioxidant chemical akwụkwọ mgbakwunye, wdg A na-ejikwa dị ka ihe mmịpụta gị n'ụlọnga. . Nnụnụ fatty acid na sulfates nke dicyclohexylamine nwere ihe na-ewepụ unyi nke ncha ma jiri ya na-ebi akwụkwọ, ịcha akwa na ụlọ ọrụ textile. A na-eji ogige ọla ya eme ihe dị ka ihe na-eme ka ink na eserese.
Mmiri mmanụ na-enweghị agba na nke na-enweghị isi nwere isi amonia na-esi ísì ụtọ. Ubé soluble na mmiri, miscible na organic solvents. -
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.
