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ʻAkika Diethylenetriaminepentaacetic CAS: 67-43-6
ʻAkika Diethylenetriaminepentaacetic CAS: 67-43-6
ʻO ka Diethylenetriaminepentacetic acid (DTPA), i kapa ʻia hoʻi ʻo diethylenetriaminepentacetic acid, he mea hoʻohuihui aminocarboxylic maikaʻi loa me nā waiwai chelating ikaika. ʻOi aku ka maikaʻi o ka huikau i hana ʻia me ka hapa nui o nā cations ma mua o ka ethylenediaminetetraacetic acid. Pono e paʻa ka chelate pili.
Ma ke ʻano he mea hoʻohuihui chelating kiʻekiʻe, hiki ke hoʻohana ʻia ka diethylene triamine pentaacetic acid i nā mea hoʻopaʻa kala i ka hana ʻana o ka fiber acrylic, ka ʻoihana pepa, nā mea palupalu wai, nā mea kōkua lole, nā titrants chelating, ke kiʻi kala a me nā ʻoihana meaʻai. Hoʻohana ʻia hoʻi i nā mea lapaʻau, nā mea honua laha ʻole. Hoʻohana nui ʻia hoʻi i ka hoʻokaʻawale ʻana a me ka hana mahiʻai.
He kristal keʻokeʻo a pauka kristal paha kēia huahana. Hehi 230 ℃ (decomposition), hiki ke hoʻoheheʻe ʻia i ka wai wela a me ka hopena alkali, hoʻoheheʻe iki ʻia i ka wai anuanu, ʻaʻole hiki ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe organik e like me ka waiʻona ethers. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4, ʻIke ʻia hoʻi ʻo ia ka reagent pae ʻehā. No nā hui propyl ester.
Ua like loa nā polymers Diallyl isophthalate i ka hoʻomākaukau ʻana, nā waiwai a me nā noi i nā polymers diallyl isophthalate i wehewehe ʻia ma luna. ʻOi aku ke kumukūʻai o nā moldings i hoʻokumu ʻia ma ka diallyl isophthalate akā hāʻawi i ka hoʻonui ʻia o ke kūpaʻa wela (hiki ke kū i nā mahana a hiki i kahi o 220°C no ka manawa lōʻihi) a me ke kūʻē ʻana i nā mea hoʻoheheʻe organik.
He wai ʻaila melemele māmā ia. Piʻi iki. Hiki ke hui pū ʻia me ka ethanol, ʻaʻole hoʻoheheʻe ʻia i ka wai.
Hoʻohana nui ʻia no ka noiʻi biochemical. Hana Organic. Hoʻomākaukau ʻana i ka resin wela kiʻekiʻe. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Pauka kristal keʻokeʻo. Maʻalahi ka hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe organik, nā waikawa hoʻoheheʻe a me ka alkali hoʻoheheʻe, akā ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai. Hoʻohana ʻia ma ke ʻano he dye intermediate.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
Hoʻohana pinepine ʻia ʻo N,N-dimethylbenzylamine ma ke ʻano he reagent i ka synthesis organik a ma ke ʻano he mea hoʻoulu no ka synthesis o ka polyurethane foam a me ka epoxy resin. Hoʻopili ia me Os3 (CO) e hana i kahi hui triosmium.
ʻO N,N dimethylbenzylamine i loko o ka methanol-tetra-N-butyl ammonium fluororoborate a me ka methanol-potassium hydroxide. Hoʻohana ʻia i ka synthesis o bis[(N,N-dimethylamino)benzyl]selenoether. Hiki ke hoʻohana ʻia ma ke ʻano he mea waena synthesis organik, mea hoʻoulu dehydrogenation, mea mālama, mea hoʻopau waikawa, a pēlā aku.
He wai ʻā ʻole kona kala a melemele māmā. He ʻala ia e like me ka ammonia. Maʻalahi ka hoʻoheheʻe ʻia i ka ethanol a me ka ether, ʻaneʻane pau ka hoʻoheheʻe ʻia i ka wai.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Nā mea maka organik: cycloalkylamines, monoamines ʻala, polyamines ʻala a me kā lākou derivatives a me nā paʻakai. He kristal keʻokeʻo ke ʻano. Hoʻohana nui ʻia no nā mea waena synthesis organik, synthesis o nā mea hana organik a me nā lāʻau lapaʻau, a me ka photochemistry a me nā mea waena kristal wai. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai. Hoʻoheheʻe ʻia i ka benzene, toluene, methanol, ethanol. No ke kūlana mālama, E mālama i kahi pouli, Sila ʻia i loko o ka maloʻo, Mahana lumi.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Nā ʻano kemika: Ua like loa nā ʻano kemika me N,N-dimethylformamide, a he mea hoʻoheheʻe amide ia. I ka loaʻa ʻole o ka waikawa a i ʻole ka alkali, ʻaʻole ia e pala i ka wā e hoʻomehana ʻia ai a paila ma lalo o ke kaomi maʻamau, no laila hiki ke hoʻoheheʻe ʻia ma lalo o ke kaomi maʻamau. Lohi loa ka wikiwiki o ka hydrolysis. Ke hoʻomehana ʻia ʻo N,N-dimethylacetamide me 5% wai ma 95°C no 140 mau hola, 0.02% wale nō ka hydrolyzed. Eia nō naʻe, i ke alo o ka waikawa a me ka alkali, piʻi ka wikiwiki o ka hydrolysis. Hana ʻia ka saponification i ka wā e hoʻomehana ʻia ai i ke alo o kahi alkali ikaika.
noi
1. ʻO ka dimethylacetamide waena lāʻau lapaʻau kahi mea maka lāʻau lapaʻau koʻikoʻi a hoʻohana nui ʻia i ka hana ʻana o amoxicillin, cephalosporins a me nā lāʻau lapaʻau ʻē aʻe. Ma ke ʻano he mea hoʻoheheʻe a i ʻole cocatalyst, hiki i ka dimethylacetamide ke hoʻomaikaʻi i ka maikaʻi o ka huahana a me ka hua i hoʻohālikelike ʻia me nā mea hoʻoheheʻe organik kuʻuna. I ka makahiki 2000, ʻo ke koi no ka dimethylacetamide i ka ʻoihana lāʻau lapaʻau ma kahi o 6kt. ʻO ke koi no ka dimethylacetamide i ka makahiki 2006 ma kahi o 9.6kt. 2. Hana ʻana i ka fiber acrylic I ka hana ʻana o ka fiber acrylic, hoʻohana kekahi i ke ala dimethylacetamide. I kēia manawa, ʻo ka hana ʻana o ka fiber acrylic kūloko ʻo Chemicalbook ka mea nui e pili ana i ke ʻano sodium thiocyanate ʻelua-ʻanuʻu, ke ʻano dimethylformamide hoʻokahi-ʻanuʻu a me ke ʻano pulu organik dimethylacetamide e like me nā mea hoʻoheheʻe. Mai ka manaʻo o nā ʻano hana a me nā lako, ka hoʻohana ʻana i nā mea, ka hopena o ke kaiapuni, ka maikaʻi o ka huahana, Nui nā mea e like me ka hana post-processing, ka helu localization a me nā ʻano hoʻomohala haole i hoʻonui i ka noiʻi noi a me nā hana hoʻolaha. Ua hoʻohana ʻia ʻo Dimethylacetamide ma ke ʻano he hoʻohālikelike piha. Ua hoʻohana ʻia ke ʻano hana ʻelua-ʻanuʻu sodium thiocyanate a me ke ʻano pulu organik dimethylacetamide. ʻO ka hoʻomohala hoʻohiki nui loa. I kēia manawa, hoʻohana ka nui o nā hoʻonohonoho fiber acrylic ma Kina i nā kaʻina hana pulu e hoʻohana ana i ka dimethylacetamide ma ke ʻano he mea hoʻoheheʻe. -
ʻAila ʻAila CAS: 107-18-6
ʻAila ʻAila CAS: 107-18-6
kūlohelohe
Wai ʻole kala me ke ʻala sinapi ʻawaʻawa. ʻO ka nui pili o. 8520. Wahi hau -129℃. Wahi paila 96.9℃. ʻO ka mahana koʻikoʻi he 271.9℃. Wahi lapalapa (kīʻaha pani) 22.2℃. Lilo ia i vitreous ma -190℃. Kuhikuhi refractive 1. 4132. Hiki ke hui pū me ka wai, ether, ethanol, chloroform a me ka petroleum ether.
hoʻohana
He mea waena ia no ka hana ʻana o ka glycerin, nā lāʻau lapaʻau, nā pesticides, nā mea ʻala a me nā mea hoʻonani, a he mea maka nō hoʻi no ka hana ʻana o ka resin diallyl phthalate a me bis (2,3-bromopropyl) fumarate. Hoʻohana nui ʻia nā derivatives silane o ka allyl alcohol a me nā copolymers me styrene i nā uhi a me ke aniani.
ʻoihana olonā. Hiki ke hoʻohana ʻia ʻo Allyl urethane i nā uhi polyurethane photosensitive a me nā ʻoihana hoʻolei.
palekana
He ʻala kūikawā kona a hiki ke hoʻonāukiuki ikaika i nā maka, ka ʻili, ka puʻu, a me nā membrane mucous. I nā hihia koʻikoʻi, hiki iā ia ke hoʻoulu i ka makapō. ʻO ka pipili ʻana i ka ʻili hiki ke hoʻolilo iā ia i ʻulaʻula a hoʻoulu i nā kuni, a komo koke ʻia ma o ka ʻili, e hoʻoulu ai i nā maʻi akepaʻa, nephritis, hematuria a me nā hōʻailona ʻē aʻe. ʻO kekahi o nā waiʻona ʻawaʻawa loa, ʻo ka LD50 waha i loko o nā ʻiole he 64rng/kg. ʻO ka LD50 waha ʻīlio he 40mg/kg. ʻO ka nui i ʻae ʻia i ka lewa ma kahi hana he 5rng/m3. Ma kēia nui, ikaika loa ka huhū a ʻaʻole hiki ke ʻae ʻia no ka manawa lōʻihi. Inā pīpī ma ka ʻili, holoi me ka wai a kau i ka lāʻau lapaʻau i hoʻokumu ʻia i ka momona. E komo i nā lako pale i ka wā e hana ana. -
ʻO Dicyclohexylamine CAS：101-83-7
ʻO Dicyclohexylamine CAS：101-83-7
Hoʻomākaukau ʻia ʻo Dicyclohexylamine ma ka hoʻohana ʻana i ka aniline ma ke ʻano he mea maka a me ka hydrogenating iā ia ma ke ana wela kiʻekiʻe a me ke kaomi kiʻekiʻe i ke alo o kahi mea hoʻoulu.
Hoʻohana nui ʻia ia ma ke ʻano he waena i ka synthesis organik a hiki ke hoʻohana ʻia e hoʻomākaukau i nā waena dye, nā mea hoʻolalelale rubber, nā pena nitrocellulose, nā insecticides, nā catalysts, nā preservatives, nā mea hoʻopale corrosion gas phase a me nā mea hoʻohui kemika antioxidant wahie, a pēlā aku. Hoʻohana pū ʻia ma ke ʻano he mea hoʻokaʻawale. Loaʻa i nā paʻakai momona a me nā sulfates o dicyclohexylamine nā waiwai wehe ʻōpala o ke kopa a hoʻohana ʻia i ka paʻi ʻana, ka hoʻoluʻu ʻana a me nā ʻoihana lole. Hoʻohana ʻia kona mau hui metala ma ke ʻano he catalysts no nā inika a me nā pena.
He wai ʻaila ʻole kala a moakaka me ke ʻala ʻamonia ʻawaʻawa. Hoʻoheheʻe iki ʻia i ka wai, hiki ke hui pū ʻia me nā mea hoʻoheheʻe organik. -
N-Methylformamide (NMF) CAS：123-39-7
N-Methylformamide (NMF) CAS：123-39-7
He wai ʻole kala ʻole ka N-methylformamide maʻemaʻe, moakāka a mānoanoa, mp-3.8℃, bp198℃, n25D 1.4310, ka nui pili 0.9986 (25℃), hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe i nā paʻakai inorganic, a he hygroscopic. Hoʻopau maʻalahi i nā hopena acidic a alkaline paha.
He mea koʻikoʻi ka N-methylformamide i ka synthesis o nā pesticides, insecticides a me nā acaricides monoformamidine a me diformamidine. Hoʻohana ʻia nō hoʻi i ka hana ʻana i nā lāʻau lapaʻau, ka ʻili synthetic, ka ʻili artificial, a ma ke ʻano he solvent no nā lole fiber kemika.
ʻAno hana 1. Hana ʻia ke ʻano Methylamine e ka hopena o ka methylamine a me ke kalapona monoxide. 2. Loaʻa ke ʻano Methyl formate ma ka hopena o ka methyl formate a me ka methylamine. 3. Loaʻa mai ka hopena o ka ethyl formate a me ka methylamine. E hoʻohui i ka ethyl formate i loko o ka reactor, e hoʻohui i ka methylamine aqueous solution ma lalo o ka hoʻomaʻalili ʻana, a hoʻihoʻi i ka hopena ma 40°C. A laila ua waiho ʻia no 3 mau lā, a ua hoʻihoʻi ʻia ka ethanol ma lalo o ke kaomi i hoʻemi ʻia e loaʻa ai ka huahana maka. Loaʻa ka huahana i hoʻopau ʻia ma o ka distillation ma lalo o ke kaomi i hoʻemi ʻia.
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3-Dimethylaminopropylamine CAS: 109-55-7
He papa koʻikoʻi ʻo Diamine o nā mea kemika i hoʻohana nui ʻia ma ke ʻano he mea maka, nā mea waena a i ʻole nā huahana. No ka laʻana, he ʻāpana hoʻonohonoho koʻikoʻi ʻo diamine i ka synthesis o ka polyamide a me nā hopena polymerization condensation ʻē aʻe. ʻO N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) kahi mea waena koʻikoʻi, i hoʻohana ʻia no ka laʻana i ka hoʻomākaukau ʻoihana o nā lubricants. Eia kekahi, hoʻohana ʻia ʻo DMAPA ma ke ʻano he mea maka no ka hoʻomākaukau ʻana i nā coagulants a pono iā ia iho nā waiwai Anti-corrosion.
He wai aniani ʻole ia. Hoʻoheheʻe ʻia i ka wai a me nā mea hoʻoheheʻe organik. Hoʻohana nui ʻia i ka hana ʻana i nā mea maka hoʻonani, e like me ka palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, a pēlā aku.
Me ka hoʻohana ʻana i ka dimethylaminopropionitrile [1738-25-6] ma ke ʻano he mea maka, hoʻohui ʻia ka hydrogenation a me ka methanol i ke alo o ka mea hoʻoulu Ni-Al, a laila kānana a hoʻoheheʻe ʻia e loaʻa ai ka huahana i hoʻopau ʻia o 3-dimethylaminopropylamine. Hiki i ka maʻemaʻe o ka huahana i loaʻa ke hiki aku ma mua o 99%, a ʻo kēlā me kēia tona o ka huahana e hoʻopau i 1150kg o dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
He wai melemele māmā a he mea hoʻohuihui kala ka N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol). Hoʻohana ʻia e hana i nā kala cationic, e like me ka ʻulaʻula cationic 6B. Hoʻohana ʻia hoʻi ia ma ke ʻano he mea maka no ka hana ʻana i nā mea hoʻomohala kala a me nā lāʻau lapaʻau.
Hoʻohana: 1. Nā mea waena o ka waihoʻoluʻu.
ʻO ka lua, hoʻohana ʻia ia e hana i nā dyes cationic, e like me ka cationic red 6B.
3. Hoʻohana ʻia ma ke ʻano he mea maka no ka hana ʻana i nā mea hoʻomohala kala a me nā lāʻau lapaʻau.
ʻano hana
1. ke ʻano hana m-toluidine
Hoʻomākaukau ʻia ia mai ka m-toluidine a me ka ethyl iodide ma ke ʻano he mea maka.
ʻElua, ʻano hana N-ethyl m-toluidine
Hoʻomākaukau ʻia ia ma ka hoʻohana ʻana i ka N-ethyl m-toluidine ma ke ʻano he mea maka a me ka hana ʻana me ka chloroethanol (a i ʻole ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
He wai ʻole kala a moakaka ka Dimethylformamide. ʻAʻole wale ia he mea maka kemika i hoʻohana nui ʻia, akā he mea hoʻoheheʻe maikaʻi loa hoʻi me nā ʻano hoʻohana like ʻole. He mea maka koʻikoʻi ka Dimethylformamide no nā lāʻau lapaʻau, petrochemical, ʻili a me nā ʻoihana ʻē aʻe.
Ua kapa ʻia ʻo Dimethylformamide ʻo DMF. He hui ia kahi i pani ʻia ai ka hui hydroxyl o ka waikawa formic e kahi hui dimethylamino, me ke ʻano molekala HCON(CH3)2. He wai hoʻolapalapa kiʻekiʻe ʻole ia a moakaka me kahi ʻala amine māmā a me ka nui o 0.9445 (25 ℃). Helu heheʻe -61 ℃. Helu paila 152.8 ℃. Helu lapalapa 57.78 ℃. Nui mahu 2.51. Kaomi mahu 0.49kpa (3.7mmHg25 ℃). ʻO ke kiko hoʻā ʻana he 445 ℃. ʻO ka palena pahū o ka hui mahu a me ka ea he 2.2 ~ 15.2%. ʻO ka ʻike ʻana i nā lapalapa ākea a me ka wela nui e hiki ai ke hoʻoulu i ka puhi ʻana a me ka pahū. Hiki iā ia ke hana ikaika me ka waikawa sulfuric i hoʻopaʻa ʻia a me ka waikawa nitric fuming a pahū. Hiki ke hui pū ʻia me ka wai a me ka hapa nui o nā mea hoʻoheheʻe organik Chemicalbook. He mea hoʻoheheʻe maʻamau ia no nā hopena kemika. ʻAʻohe ʻala o ka dimethylformamide maʻemaʻe, akā he ʻala iʻa ko ka dimethylformamide papa ʻoihana a i ʻole ka dimethylformamide i hōʻino ʻia no ka mea aia nā haumia dimethylamine. Loaʻa ka inoa mai ka ʻoiaʻiʻo he pani dimethyl ia o ka formamide (amide o ka formic acid), a aia nā hui methyl ʻelua ma ka ʻātoma N (nitrogen). ʻO Dimethylformamide kahi mea hoʻoheheʻe aprotic polar (hydrophilic) me kahi kiko paila kiʻekiʻe, hiki ke hoʻolaha i ka ʻano hana SN2. Hana ʻia ʻo Dimethylformamide mai ka waikawa formic a me ka dimethylamine. He paʻa ʻole ka Dimethylformamide (ʻoi aku hoʻi i nā mahana kiʻekiʻe) i ke alo o nā kumu ikaika e like me ka sodium hydroxide a i ʻole nā waikawa ikaika e like me ka hydrochloric acid a i ʻole ka sulfuric acid, a hydrolyzes i ka waikawa formic a me ka dimethylamine.
He paʻa loa ia i ka lewa a i ka wā e hoʻomehana ʻia ai a paila. Ke kiʻekiʻe ka mahana ma mua o 350°C, nalowale ka wai a hoʻopuka i ke kalapona monoxide a me ka dimethylamine. ʻO N,N-dimethylformamide kahi mea hoʻoheheʻe polar aprotic maikaʻi loa e hiki ke hoʻoheheʻe i ka hapa nui o nā mea organik a me nā mea inorganic a hiki ke hui pū ʻia me ka wai, nā alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons a me nā hydrocarbons aromatic. . Hoʻopuni ʻia ka hopena i hoʻopiʻi maikaʻi ʻia o ka molekole N,N-dimethylformamide e nā hui methyl, e hana ana i kahi pale Chemicalbook spatial e pale ai i nā ion maikaʻi ʻole mai ka hoʻokokoke ʻana a hoʻopili wale i nā ion maikaʻi. ʻOi aku ka ikaika o nā anions bare ma mua o nā anions solvated. He maʻalahi ka hana ʻana o nā hopena ionic he nui i loko o N,N-dimethylformamide ma mua o nā mea hoʻoheheʻe protic maʻamau. No ka laʻana, pane nā carboxylates a me nā hydrocarbons halogenated i loko o N,N-dimethylformamide ma ka mahana o ka lumi. , hiki ke hoʻopuka i nā esters me nā hua kiʻekiʻe, a kūpono loa no ka synthesis o nā esters stericly hindered.
