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N-Methylformamide（NMF） CAS:123-39-7
N-Methylformamide（NMF） CAS:123-39-7
Ko te N-methylformamide parakore he wai kore tae, maramara me te wai kakariki, mp-3.8 ℃, bp198 ℃, n25D 1.4310, kiato whanaunga 0.9986 (25 ℃), wairewa i roto i te wai, ka taea hoki te whakakore i nga tai pararopi, me te hygroscopic. He ngawari te pirau i roto i nga otinga waikawa, kawakore ranei.
Ko te N-methylformamide he mea tino nui ki te waihanga pararopi. Ka whakamahia i roto i te whakahiatotanga o te pesticides, insecticides me te acaricides monoformamidine me te diformamidine. Ka whakamahia ano i roto i te hanga rongoa, hiako waihanga, hiako horihori, hei whakarewa mo nga kakano muka matū. .
Tikanga whakaputa 1. Ka puta te tikanga Methylamine e te tauhohenga o te methylamine me te waro monoxide. 2. Ko te tikanga methyl formate ka whiwhi i te tauhohenga o te methyl formate me te methylamine. 3. I whiwhi mai i te tauhohenga o te ethyl formate me te methylamine. Tāpirihia te ethyl formate ki roto i te reactor, tāpirihia te wairewa wai methylamine i raro i te mea mātao, me te whakahoki i te tauhohenga ki te 40°C. Na ka waiho mo nga ra e 3, ka whakahokia mai te waihano i raro i te pehanga iti kia whiwhi hua masivesivá. Ko te hua kua oti te whiwhi ma te whakakore i raro i te pehanga iti.
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3-Dimethylaminopropylamine CAS: 109-55-7
Ko te Diamine he karaehe nui o nga matū matū e whakamahia whānuitia ana hei rauemi mata, takawaenga, hua ranei. Hei tauira, ko te diamine he wae hanga nui i roto i te whakahiato o te polyamide me etahi atu tauhohenga polymerization condensation. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) he takawaenga nui, whakamahia hei tauira i roto i te whakaritenga ahumahi o te whakahinuhinu. I tua atu, ka whakamahia te DMAPA hei rauemi mata mo te whakarite i nga coagulants, me whai ano hoki nga taonga Anti-corrosion.
He wai marama kore tae. Wairewa i roto i te wai me te wairewa waro. Ka whakamahia nuitia i roto i te hanga rauemi mata whakapaipai, penei i te palmitamide dimethylpropylamine, cocamidopropyl betaine, mink hinu amidopropylamine, etc.
Ma te whakamahi i te dimethylaminopropionitrile [1738-25-6] hei rauemi mata, ka taapirihia te hauwai me te methanol i te aroaro o te whakakorikori Ni-Al, katahi ka tātarihia, ka whakamarohia kia whiwhi i te hua o te 3-dimethylaminopropylamine. Ko te ma o te hua whiwhi ka taea te neke atu i te 99%, a ka pau ia ton o hua 1150kg o dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)waro CAS: 91-88-3
Ko te N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) he wai kowhai marama me te waikano takawaenga. Ka whakamahia ki te whakaputa waikano cationic, penei i te whero cationic 6B. Ka whakamahia ano hei rauemi mata mo te hanga o nga kaiwhakawhanake tae me nga rongoa.
Whakamahinga: 1. Waikano takawaenga.
Tuarua, ka whakamahia hei whakaputa i nga waikano cationic, penei i te cationic red 6B.
3. Ka whakamahia hei rauemi mata mo te hanga o nga kaihanga tae me nga rongoa.
tikanga whakaputa
1. tikanga m-toluidine
He mea hanga mai i te m-toluidine me te ethyl iodide hei rauemi mata.
Tuarua, tikanga N-ethyl m-toluidine
Ka mahia ma te whakamahi i te N-ethyl m-toluidine hei rauemi mata me te tauhohe ki te chloroethanol (he ethylene oxide ranei).
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N,N-Dimethylformamide CAS 68-12-2
Ko te Dimethylformamide he wai kore tae me te wai marama. Ehara i te mea he rauemi mata matū e whakamahia whānuitia ana, engari he whakarewa pai me te whānuitanga o nga whakamahinga. Ko te Dimethylformamide he rauemi mata nui mo te rongoa, petrochemical, hiako me etahi atu ahumahi.
Ko te Dimethylformamide e kiia ana ko DMF. He pūhui ka whakakapihia te roopu hydroxyl o te waikawa formic ki te roopu dimethylamino, me te tauira ngota HCON(CH3)2. He wai karekau he tae, he marama hoki te kohu-kohua teitei me te kakara amine marama me te kiato whanaunga o te 0.9445 (25 ℃). Ira whakarewa -61℃. Kohuatanga 152.8℃. Ira hiko 57.78 ℃. Kiato ngohe 2.51. Te pehanga kohu 0.49kpa (3.7mmHg25 ℃). Ko te 445 ℃ te ira mura aunoa. Ko te rohe pahūtanga o te mamaoa me te ranunga hau he 2.2~15.2%. Ko te mararatanga ki te mura o te ahi me te wera nui ka puta te ngingiha me te pahū. Ka kaha te mahi ki te waikawa sulfuric concentrated me te waikawa nitric fuming a ka pahū. Ka uru ki te wai me te nuinga o nga whakarewa pararopi Chemicalbook. He whakarewa noa mo nga tauhohenga matū. Karekau he kakara o te dimethylformamide parakore, engari he hongi ika te karaehe ahumahi, te dimethylformamide kua paheke ranei na te mea kei roto nga poke o te dimethylamine. Ko te ingoa i ahu mai i te meka he whakakapinga dimethyl o te formamide (amide of formic acid), a ko nga roopu methyl e rua kei runga i te ngota N (hauota). Ko te Dimethylformamide he whakarewa aprotic polar (hydrophilic) me te tohu koropu teitei, ka taea te whakatairanga i te tikanga tauhohenga SN2. Ko te Dimethylformamide he mea hanga mai i te waikawa formic me te dimethylamine. Ko te Dimethylformamide kare i mau (ina koa i nga wera teitei) i te aroaro o nga turanga kaha penei i te konutai waikawa, i nga waikawa kaha ranei penei i te waikawa maaota, te waikawa pungatara ranei, ka huri ki te waikawa formic me te dimethylamine.
He tino pumau ki te hau me te wera ki te koropupu. Ina teitei ake te mahana i te 350°C, ka ngaro te wai, ka puta te waro monoxide me te dimethylamine. Ko te N,N-dimethylformamide he whakarewa aprotic polar tino pai ka taea te whakakore i te nuinga o nga matū pararopi me nga matū pararopi, ka uru ki te wai, te waipiro, te etera, te aldehydes, te ketone, te hākawa, te hauwai hauwai me te hauwai kakara. . Ko te mutunga o te ngota ngota N,N-dimethylformamide e karapotia ana e nga roopu methyl, ka hanga he arai mokowā Chemicalbook e aukati ana i nga katote kino kia tata mai, ka hono noa nga katote pai. He kaha ake nga anion kore i te anion kua whakarewahia. He ngawari ake te maha o nga tauhohenga katote ki te kawe i roto i te N,N-dimethylformamide atu i nga whakarewa porotiki whanui. Hei tauira, ka tauhohe nga warokawa me nga hauwai hauhau i roto i te N,N-dimethylformamide i te pāmahana rūma. , ka taea te whakaputa i nga hākawa me nga hua nui, a he tino pai mo te whakahiato o nga esters kua aukatia.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Kore tae ki te wai kowhai. He kakara motuhake. He iti te wairewa ki te wai, ka whakarewahia i roto i nga whakarewa pararopi penei i te waiwaro, ether, chloroform me te benzene. I ahu mai i te tauhohenga o te aniline me te ethyl chloride. Te motunga kai mata: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, houra caustic (42%) 1230kg/t, phthalic anhydride 29kg/t.
Ka taea te whakamahi ki te whakarite i nga waikano azo, nga tae triphenylmethane, me etahi atu. He takawaenga nui hoki mo te whakahiato o nga raau taero me nga kaihanga kiriata tae, a he tino whanui ona tono.
Rokiroki : Ko te whare putunga ka whakamarokehia me te whakamaroke i te iti o te pāmahana; he mea rongoa motuhake mai i te waikawa, te hāora me te taapiri kai. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Te ahua karaka-whero ki te wai kakariki parauri.
Te Whakamahinga: Ka whakamahia mo te hanga i te kapia whakawhiti anion, te kiriuhi whakawhiti katote, te whakamaori hinu hinu, te taapiri hinu whakahinuhinu, me etahi atu. I whakamahia ano hei kaihoko whakamaroke kapia epoxy me te taapiri whakakikorua kore-cyanide.
Te wairewa: te wairewa i roto i te wai me te waiwaro, e kore e rewa i te etera, ngawari ki te tango i te makuku me te waro hauhaa i te rangi, ka hanga i nga tote e rite ana ki te waikawa, ka pakari i te iti o te mahana.
He tino ngawari ki te pahū ina pa ana ki te paahitanga, te waku, te mura ahi tuwhera, me etahi atu puna mura. Rokiroki i roto i te whare putunga hauhautanga, maroke me te hau kua whakatapua ki nga pahū. Ko te pāmahana rokiroki e kore e neke ake i te 32°C me te haumākū whanaunga e kore e neke atu i te 80%. Kia matara atu i te ahi me nga puna wera. Me penapena motuhake mai i nga mea hāora, waikawa, kawakore, ka karo i te rokiroki whakauru. Kua rite ki nga momo momo me te maha o nga taputapu ahi. Ko nga rauemi e tika ana me waatea ki te waahi rokiroki hei pupuri i nga pakaru. Karekau he wiri, he paanga me te waku.
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Te waikawa Ethylenediaminetetraacetic CAS: 60-00-4
Te waikawa Ethylenediaminetetraacetic CAS: 60-00-4
āhuatanga matū
Ka maataata tenei hua mai i te wai ano he paura ma. Ko te wairewa i te wai i te 25 ℃ he 0.5g/L. Kore ki roto i te wai matao, te waipiro me te whakarewa pararopi whanui. Wairewa ki te konutai waikawa, te konutai warowaiha me te wairewa haukini.
Tikanga whakaputa:
Te tauhohenga o te ethylenediamine me te waikawa chloroacetic. Tāpirihia te 100kg waikawa chloroacetic, 100kg huka me te 135kg o te wairewa konutai waihā (30%) ki roto i te ketere tauhohenga, katahi ka tapirihia te 18kg o te 83% ki te 84% ethylenediamine i raro i te whakaoho. Whakanuia ki te 15°C mo te 1 haora. Tāpirihia te 30Chemicalbook% wairewa konutai waihā i roto i ngā puranga 10L ia wā. Whai muri i ia taapiri, taapirihia tetahi atu puranga i muri i te otinga whakamatautau phenolphthalein karekau e whero. Kia mau ki te pāmahana rūma mo te 12h. Whakawerahia ki te 90°C ka whakakorehia te tae ki te waro whakahohe. Tātarihia, horoia te toenga tātari ki te wai, ka mutu te whakatika i te uara pH ki te 3 me te waikawa pūhaumāota. Matao me te tioata, tātari me te horoi ki te wai kia kore ra ano he tauhohenga katote chloride. Hua maroke.
Te tauhohenga o te ethylenediamine me te formaldehyde me te konutai cyanide. Whakaranuhia te 60% wairewa wai ethylenediamine, 30% wairewa wai konutai cyanide me te konutai waikawa, ka pupuri i te ranunga ki te 20°C mo te 0.5h. Kātahi ka tāpirihia te wairewa wai formaldehyde. Whai muri i te tauhohenga, ka whakahekehia te pukapuka matū ka whakaeto te wai. Na ka tuaruatia te mahi i runga ake nei, me te taapiri i te nui o te formaldehyde mo te wa whakamutunga kia pai ai te hohenga o te konutai cyanide. Whakaritea te pH ki te 1.2 me te waikawa waimeha. He para ma, ka taia, ka horoi ki te wai, ka whakamaroke ki te 110°C. Tikina te hua.
Ko te waikawa Ethylenediaminetetraacetic (EDTA) he kaihoko whakahiato nui. Ko te EDTA e whakamahia nuitia ana, ka taea te whakamahi hei whakatika i nga tae ki te tukatuka i nga rauemi photosensitive tae, nga awhina tae, nga awhina tukatuka muka, nga taapiri whakapaipai, nga anticoagulants toto, nga horoi, nga whakapumau, nga kaiwhakangungu polymerization rapa waihanga, ko EDTA he chelate matū Māngai o te ranunga. Ka taea te hanga i nga matatini matū wairewa-wairewa me nga konganuku alkali, nga huānga whenua onge me nga konganuku whakawhiti. I tua atu i nga tote konutai, kei reira ano nga tote ammonium me nga momo tai penei i te rino, te konupora, te konupūmā, te parahi, te konupora, te zinc, te cobalt, me te konumohe. He rereke nga whakamahinga o ia tote. I tua atu, ka taea hoki te whakamahi EDTA ki te tango tere i nga konganuku iraruke kino mai i te tinana o te tangata, me te mahi i te mahi whakaheke. He kaihoko maimoatanga wai hoki. He tohu nui ano te EDTA, engari ka whakamahia ki te tarai i te nickel whakarewa, te parahi, me etahi atu. Ina whakamahia, me whakamahi tahi me te haukini hei tohu. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Ko te Disodium ethylenediaminetetraacetate (e mohiotia ana ko te disodium EDTA) he kaihoko chelating kaha. Na te kaha o te pumau me te nui o nga ahuatanga ruruku, ka taea e ia te taunekeneke ki te nuinga o nga katote whakarewa engari ko nga konganuku alkali (Pērā i te rino, te parahi, te konupūmā, te konupora me etahi atu katote multivalent) chelate ki te hanga i nga matatini wairewa-wai, ka whakakore i nga katote whakarewa, nga tauhohenga kino na ratou.
Ko te Disodium EDTA he paura tioata ma e memeha ana i roto i te wai me te tata kore e rewa i roto i te waihano me te etera. Ko te uara pH o tana wairewa wai kei te 5.3 ka whakamahia i roto i te horoi horoi, nga awhina tae, nga kaihoko tukatuka muka, nga taapiri whakapaipai, nga taapiri kai, nga maniua moroiti ahuwhenua me te Mariculture, etc.
Ka whakamahia te Disodium ethylenediaminetetraacetate i roto i te kai, te rongoa, te whakapaipai me etahi atu hua. Ka taea te whakamahi i te disodium ethylenediaminetetraacetate-kai-kai hei whakapumau, hei whakakoi, hei antioxidant me te whakamarumaru, ka taea te tiaki i te tae me te aukati i te waikura. , te whakakotahitanga anti-corrosion me te paanga whakapumau. -
Konutai edetate CAS: 64-02-8
Konutai edetate CAS: 64-02-8
Ko te waikawa Ethylenediaminetetraacetic (EDTA) e 4 nga roopu carboxyl ka taea te hanga i te disalt, trisalt me te tetrasalt. Ko nga tote EDTA noa ko te disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), te dipotassium ethylenediaminetetraacetate (EDTA-2K) me te waikawa ethylenediaminetetraacetic. Tripotassium (EDTA-3K). Ko te Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) he ngota ngota iti pararopi maha kei roto nga roopu amino me te carboxyl. Ka whakamahia whānuitia i roto i te matū tātari hei māngai whakawhāiti.
āhuatanga matū: Te paura tioata ma. Ka whakarewahia ki te wai me te waikawa, karekau ki te waipiro, te benzene me te chloroform.
Ko te Tetrasodium EDTA he kaihoko whakahiato nui me te kaihoko whakakikorua whakarewa. Ka taea te whakamahi i roto i te tae i roto i te ahumahi pueru, maimoatanga kounga wai, photosensitivity tae, rongoa, matū o ia ra, pepa me etahi atu ahumahi, ano he tāpiritanga, activator, para wai, konganuku katote masking kaihoko me te activator i roto i te ahumahi rapa styrene-butadiene. . I roto i te ahumahi kiriaku tukanga maroke, ka taea e ia te whakakore i te pokanoa whakarewa me te whakapai ake i te tae me te kanapa o nga papanga tae. Ka taea hoki te whakamahi i roto i nga horoi horoi wai hei whakapai ake i te kounga horoi me te whakarei ake i te painga horoi. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris(dimethylaminomethyl)phenol
CAS 90-72-2
Tikanga hangahanga
Taapirihia te phenol me te 40% dimethylamine wairewa wai ki te hohenga hohenga, ka whakakorikoria me te uru taurite, whakamatao ki raro iho i te 20°C, ata tapirihia te 30% wairewa wai formaldehyde i raro i te whakakorikori, me te whakahaere kia oti te taapiri i raro i te 30°C. Me whakaoho tonu i te 25-30°C mo te 1 haora, katahi ka whakanuia te pāmahana ki te 90-95°C me te reflux mo te 2 haora. Tāpirihia te tote hei wehe i te wahanga wai, ka wehea te paparanga hinu mo te hautau i raro i te pehanga iti kia whiwhi ai i te hua kua oti. Ko te ihirangi hua ahumahi kei runga i te 95%.
Te Ahua: He wai marama kore tae, he kowhai marama ranei. Ka tahuna.
Ka whakamahia hei kaikawe rongoa mo te whakamaarama i nga kapia epoxy, whakapiringa, hiri mo nga rawa laminate me nga papa, nga kaiwhakatuma waikawa me nga whakakorikori i roto i te hanga o te polyurethane. -
DIETHYLENE TRIAMINE (DETA) 111-40-0
DIETHYLENE TRIAMINE (DETA) 111-40-0
taiao
Kowhai kowhai hygroscopic wai kikorangi marama me te haukinia kakara, he mura me te kaha kawakore. Wairewa ki te wai, acetone, benzene, ether, methanol, me etahi atu, kare e rewa i roto i te n-heptane, ka pirau ki te parahi me ona koranu. Ira whakarewa -35℃. Ira kohua 207℃. Kiato whanaunga o. 9586. Ira hiko 94℃. Taupū Refactive 1. 4810. Ko tenei hua te tauhohenga o nga amine tuarua, a he ngawari te tauhohenga ki nga momo puhui. He maha nga whakamahinga o ona hua.
whakamahi
Ko te nuinga o tenei hua ka whakamahia hei takawaenga whakarewa me te whakahiato pararopi, ka taea te whakamahi ki te whakarite i nga rongoa rongoa epoxy resin, nga purifiers hau (mo te tango CO2), nga taapiri hinu whakahinuhinu, emulsifiers, matū whakaahua, surfactants, me nga taputapu whakaoti papanga. , whakaniko pepa, aminocarboxylic complexing agent, whakarewa chelating agent, heavy metal hydrometallurgy and cyanide-free electroplating diffusion agent, brightener, and synthetic synthetic exchange resin and polyamide resin, etc. -
N,N-dimethylethanolamine CAS: 108-01-0
N,N-dimethylethanolamine CAS: 108-01-0
He wai kore tae me te haunga. Paepae kakara: 0.25 ppm. Taumaha rāpoi 5 89.16; Kohuatanga =133℃; Te Mīti/Te Whakarewa=259 ℃; Ira hiko =41℃ (oc); Te weraAunoa 5=295℃. Tepe pahū: LEL 5=1.6%;UEL 5=11.9%. Te Tautuhinga morearea (i runga i te NFPA-704M Pūnaha Whakatauranga): Hauora 2, Muriwera 2, Tauhohenga 0.Soluble in water.
Kei te mohiotia ano ko te dimethylaminoethanol. Ko nga rangahau e whakaatu ana i nga ahuatanga whakakaha kiri, me te kaha ki te whakaheke i te ahua o nga raina pai me nga kita me nga porowhita pouri i raro i nga kanohi. E kiia ana ko te anti-pakeke, me te antiinflammatory, a kua whakaatu i te mahi hamuhamu kore-radical. Ka whakamahia ano hei aukati waikura, he kaihoko anti-scaling, peita peita, taapiri paninga me te kaihoko wehenga totoka. Ka whakamahia ano hei takawaenga mo nga kai rongoa me nga tae. Ka mahi hei kaihoko whakaora mo nga polyurethanes me nga kapia epoxy. I tua atu, ka whakamahia hei taapiri ki te wai kohua. I tua atu i tenei, ka whakamahia hei rongoa hei whakaongaonga CNS.
