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Waikawa Diethylenetriaminepentaacetic CAS: 67-43-6
Waikawa Diethylenetriaminepentaacetic CAS: 67-43-6
Ko te waikawa Diethylenetriaminepentacetic (DTPA), e kiia ana ko te waikawa diethylenetriaminepentacetic, he matū whakahiato aminocarboxylic pai rawa atu me ngā āhuatanga chelating kaha. Ko te matatini e hangaia ana me te nuinga o ngā kationa he pai ake i te waikawa ethylenediaminetetraacetic. Me pumau te chelate e rite ana.
Hei kaiāwhina chelating tino whai hua, ka taea te whakamahi i te waikawa diethylene triamine pentaacetic i roto i ngā aukati tae i roto i te hanga muka kiriaku, te ahumahi pepa, ngā mea whakangawari wai, ngā mea āwhina kakahu, ngā mea whakapūtā chelating, te whakaahua tae me ngā ahumahi kai. E whakamahia ana hoki i roto i te hauora, i ngā huānga whenua onge. E whakamahia whānuitia ana hoki i roto i te wehenga me te whakaputa ahuwhenua.
He tioata mā, he paura tioata rānei tēnei hua. Ko te ira rewa he 230 ℃ (pirau), ka wairewa ki te wai wera me te otinga kawakore, he paku wairewa ki te wai matao, kāore e wairewa ki ngā whakarewa waro pēnei i te waipiro etera. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4，E mōhiotia ana hoki ko te reagent taumata whā。No roto i ngā pūhui propyl ester。
He tino ōrite te whakaritenga, ngā āhuatanga me ngā whakamahinga o ngā pūmua diallyl isophthalate ki ngā pūmua diallyl isophthalate kua whakaahuatia i runga ake nei. He nui ake te utu o ngā pokepokea ai i ahu mai i te diallyl isophthalate engari he pai ake te pumau o te wera (ka taea te tu atu ki ngā pāmahana tae atu ki te 220°C mō te wā roa) me te ātete ki ngā whakarewa waro.
He wai hinuhinu kōwhai mārama. He paku haunga. Ka taea te whakaranu ki te etanoru, kāore e wairewa i roto i te wai.
E whakamahia ana mō te rangahau matū koiora. Te Hanganga Waro. Te Whakarite i te kapia pāmahana teitei. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Paura tioata mā. He ngāwari te wairewa i roto i ngā whakarewa waro, ngā waikawa waimeha me te kawakore waimeha, engari kāore e waimeha i roto i te wai. Whakamahia hei takawaenga tae.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
He maha ngā wā ka whakamahia te N,N-dimethylbenzylamine hei matū i roto i te hanga matū waro, hei whakakorikori hoki mō te hanga o te pahuka polyurethane me te kapia epoxy. Ka tauhohe ki te Os3(CO) hei hanga i tētahi tautau triosmium.
Ko te N,N dimethylbenzylamine i roto i te methanol-tetra-N-butyl ammonium fluoroborate me te methanol-potassium hydroxide. E whakamahia ana i roto i te hanga o te bis[(N,N-dimethylamino)benzyl]selenoether. Ka taea hoki te whakamahi hei takawaenga hanga rauropi, hei whakakorikori tango hauwai, hei tiaki, hei whakakore waikawa, me ētahi atu.
He wai mura, kāore he tae, he kōwhai mārama rānei. He kakara haukini. He ngāwari te wairewa ki te etanoru me te etera, he uaua te wairewa ki te wai.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Ngā rauemi mata waro: cycloalkylamines, monoamines kakara, polyamines kakara me ō rātou matū me ngā tote. He karaihe mā te āhua. E whakamahia ana mō ngā takawaenga hanga waro, te hanga rauemi mahi waro me ngā rongoā, tae atu ki ngā takawaenga whakaahua me te karaihe wai. Kāore e rewa i te wai. Ka rewa i te benzene, toluene, methanol, ethanol. Mō te āhua rokiroki, Puritia ki te wāhi pōuri, Hirihia ki te wāhi maroke, Mahana Rūma.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Ngā Āhuatanga Matū: He tino ōrite ngā āhuatanga matū ki te N,N-dimethylformamide, ā, he whakarewa amide matua. Mēnā kāore he waikawa, he kawakore rānei, e kore e pirau ina werahia kia koropupū i raro i te pēhanga noa, nō reira ka taea te whakapūtā i raro i te pēhanga noa. He tino puhoi te tere o te waikura. Ina werahia te N,N-dimethylacetamide kei roto te 5% wai ki te 95°C mō ngā hāora 140, 0.02% anake ka waikura. Heoi, i te aroaro o te waikawa me te kawakore, ka piki ake te tere o te waikura. Ka puta te saponification ina werahia i te aroaro o te kawakore kaha.
tono
1. He rauemi mata rongoā nui te dimethylacetamide takawaenga rongoā, ā, e whakamahia whānuitia ana i roto i te hanga amoxicillin, cephalosporins me ētahi atu rongoā. Hei whakarewa, hei cocatalyst rānei, ka taea e te dimethylacetamide te whakapai ake i te kounga hua me te hua ki te whakataurite ki ngā whakarewa rauropi tuku iho. I te tau 2000, ko te hiahia mō te dimethylacetamide i roto i te umanga rongoā he tata ki te 6kt. Ko te hiahia mō te dimethylacetamide i te tau 2006 he tata ki te 9.6kt. 2. Te hanga muka kiriaku I roto i te hanga muka kiriaku, ka whakamahia e ētahi te huarahi dimethylacetamide. I tēnei wā, ko te hanga muka kiriaku ā-rohe ko te tikanga rua-taahiraa konutai thiocyanate, te tikanga kotahi-taahiraa dimethylformamide me te tikanga maku rauropi dimethylacetamide e ai ki ngā whakarewa. Mai i te tirohanga o ngā āhuatanga tukanga me ngā taputapu, te kai rauemi, te pānga taiao, te kounga hua, He maha ngā āhuatanga pēnei i te mahi tukatuka-muri, te tere o te rohe me ngā ia whanaketanga o tāwāhi kua piki ake ngā mahi rangahau me te whakatairanga tono. I whakamahia te Dimethylacetamide hei whakataurite whānui. I whakamahia te tikanga rua-taahiraa konutai thiocyanate me te tikanga maku waro dimethylacetamide. Ko te whanaketanga tino whai hua. I tēnei wā, he maha ngā whakaurunga muka kiriaku i Haina e whakamahi ana i ngā tukanga maku mā te whakamahi i te dimethylacetamide hei whakarewa. -
Waipiro ārira CAS: 107-18-6
Waipiro ārira CAS: 107-18-6
taiao
He wai kore tae, he kakara māti reka. He matotoru whanaunga o. 8520. Te ira tio -129℃. Te ira koropupū 96.9℃. Ko te pāmahana matua he 271.9℃. Te ira mura (kapu kua kati) 22.2℃. Ka huri hei karaihe i te -190℃. Taupū whakaata 1. 4132. Ka taea te whakaranu ki te wai, te etera, te etanoru, te chloroform me te etera hinu.
whakamahi
He takawaenga mō te hanga o te glycerin, ngā rongoā, ngā patupatu, ngā mea kakara me ngā mea whakapaipai, ā, he rauemi mata hoki mō te hanga o te diallyl phthalate resin me te bis(2,3-bromopropyl)fumarate. He whānuitia te whakamahinga o ngā silane derivatives o te allyl alcohol me ngā copolymers me te styrene i roto i ngā paninga me te karāhe.
umanga muka. Ka taea te whakamahi i te allyl urethane i roto i ngā paninga polyurethane photosensitive me ngā umanga whakarewa.
haumaru
He kakara motuhake tōna, ā, ka taea e ia te whakapataritari i ngā kanohi, te kiri, te korokoro, me ngā kiriuhi mucous. I ngā wā tino kino, ka taea e ia te matapo. Ki te piri ki te kiri ka whero, ka wera, ā, ka tere te mimiti mā te kiri, ka puta he mate ate, he nephritis, he hematuria me ētahi atu tohu. Ko tētahi o ngā waipiro tino paitini, ko te LD50 ā-waha i roto i ngā kiore he 64rng/kg. LD50 ā-waha mō ngā kurī he 40mg/kg. Ko te kukū mōrahi e whakaaetia ana i te hau i te wāhi whakaputa ko te 5rng/m3. I tēnei kukū, he tino kaha te whakapataritari, ā, kāore e taea te manawanui mō te wā roa. Ki te tauhiuhi ki te kiri, horoia ki te wai, ka pania he rongoā hinu. Mauria he taputapu tiaki i te wā e mahi ana. -
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine CAS：101-83-7
Ka whakaritea te dicyclohexylamine mā te whakamahi i te aniline hei rauemi mata, ka whakahauwaihia ki te pāmahana teitei me te pēhanga teitei i te aroaro o tētahi whakakorikori.
He whānuitia te whakamahinga hei takawaenga i roto i te hanga rauropi, ā, ka taea te whakamahi hei hanga takawaenga tae, whakatere rapa, peita nitrocellulose, ngā patu pepeke, ngā whakakorikori, ngā mea tiaki, ngā aukati waikura hau me ngā tāpiringa matū ārai mate wahie, me ētahi atu. Ka whakamahia hoki hei kaihoko tango. He rite ngā āhuatanga tango paru ki te hopi o ngā tote waikawa ngako me ngā whanariki o te dicyclohexylamine, ā, e whakamahia ana i roto i ngā ahumahi tā, tae me te kakahu. Ka whakamahia ōna matū whakarewa hei whakakorikori mō ngā waituhi me ngā peita.
He wai hinuhinu mārama, kore tae, he kakara haukini kaha. He wairewa pakupaku ki te wai, ka taea te whakaranu ki ngā whakarewa waro. -
N-Methylformamide（NMF） CAS：123-39-7
N-Methylformamide（NMF） CAS：123-39-7
He wai mārama, he wai matotoru, kāore he tae te N-methylformamide parakore, mp-3.8℃, bp198℃, n25D 1.4310, ko te kiato whanaunga 0.9986 (25℃), he wairewa ki te wai, ka taea hoki te whakarewa i ngā tote kore-waro, ā, he waiora. Ka ngawari te pirau ki ngā wairewa waikawa, kawakore rānei.
He rauemi mata hangai waro nui te N-methylformamide. E whakamahia ana i roto i te hanga patupatu, patupatu me ngā acaricides monoformamidine me diformamidine. E whakamahia ana hoki i roto i te hanga rongoā, hiako hangai, hiako horihori, me te whakarewa mō ngā papanga muka matū.
Tikanga Whakaputa 1. Ka puta te tikanga Methylamine mā te tauhohenga o te methylamine me te waro hauota. 2. Ka puta te tikanga Methyl formate mā te tauhohenga o te methyl formate me te methylamine. 3. I puta mai i te tauhohenga o te ethyl formate me te methylamine. Tāpirihia te ethyl formate ki roto i te tauhohenga, tāpirihia te wairewa methylamine i raro i te whakamatao, ka whakahokia te tauhohenga ki te 40°C. Kātahi ka waiho mō ngā rā e 3, ā, ka whakahokia te etanoru i raro i te pēhanga iti kia puta ai te hua mata. Ka puta te hua kua oti mā te whakatōtō i raro i te pēhanga iti.
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3-Dimethylaminopropylamine CAS: 109-55-7
He momo matū nui te diamine e whakamahia whānuitia ana hei rauemi mata, hei takawaenga, hei hua rānei. Hei tauira, he wāhanga hanganga nui te diamine i roto i te hanganga o te polyamide me ētahi atu tauhohenga polymerization condensation. He takawaenga nui te N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA), e whakamahia ana hei tauira i roto i te whakaritenga ahumahi o ngā hinu whakahinuhinu. Hei tāpiri, ka whakamahia te DMAPA hei rauemi mata mō te whakarite i ngā coagulants, ā, me whai āhuatanga ārai-waikura anō hoki.
He wai mārama, kāore he tae. Ka wairewa ki te wai me ngā whakarewa waro. He whānuitia te whakamahinga i roto i te hanga rauemi mata whakapaipai, pērā i te palmitamide dimethylpropylamine, te cocamidopropyl betaine, te hinu mink amidopropylamine, me ētahi atu.
Mā te whakamahi i te dimethylaminopropionitrile [1738-25-6] hei rauemi mata, ka tāpirihia te hauwai me te methanol i te aroaro o te whakakorikori Ni-Al, kātahi ka tātarihia, ka whakahoroa kia puta ai te hua oti o te 3-dimethylaminopropylamine. Ka taea e te parakore o te hua i whiwhi te eke ki te neke atu i te 99%, ā, ka pau i ia tana o te hua te 1150kg o te dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
He wai kōwhai mārama te N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) me te takawaenga tae. E whakamahia ana hei hanga tae cationic, pērā i te whero cationic 6B. E whakamahia ana hoki hei rauemi mata mō te hanga i ngā kaiwhakawhanake tae me ngā rongoā.
Whakamahinga: 1. Ngā takawaenga tae.
Tuarua, e whakamahia ana hei hanga tae cationic, pērā i te whero cationic 6B.
3. Whakamahia hei rauemi mata mō te hanga i ngā kaiwhakawhanake tae me ngā rongoā.
tikanga whakaputa
1. tikanga m-toluidine
He mea hanga mai i te m-toluidine me te ethyl iodide hei rauemi mata.
Tikanga rua, N-ethyl m-toluidine
Ka whakaritea mā te whakamahi i te N-ethyl m-toluidine hei rauemi mata, me te tauhohenga ki te chloroethanol (te ethylene oxide rānei).
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N,N-Dimethylformamide CAS 68-12-2
He wai mārama, kore tae te Dimethylformamide. Ehara i te mea he rauemi matū whānuitia anake, engari he whakarewa pai hoki me te whānuitanga o ngā whakamahinga. He rauemi mata nui te Dimethylformamide mō ngā ahumahi rongoā, hinu matū, hiako me ētahi atu ahumahi.
Ko te Dimethylformamide e kiia nei ko te DMF. He matū tēnei e whakakapia ana te rōpū hydroxyl o te waikawa formic e te rōpū dimethylamino, ko te tātai ngota HCON(CH3)2. He wai kore tae, mārama hoki, he nui te kohua, he kakara amine māmā, ā, ko te mātotoru whanaunga he 0.9445 (25℃). Te pūwāhi rewa -61℃. Te pūwāhi koropupū 152.8℃. Te pūwāhi mura 57.78℃. Te mātotoru kohu 2.51. Te pēhanga kohu 0.49kpa (3.7mmHg25℃). Ko te pūwāhi mura aunoa he 445℃. Ko te rohe pahūtanga o te ranunga mamaoa me te hau he 2.2~15.2%. Mēnā ka pāngia e ngā mura tuwhera me te wera nui, ka mura pea, ka pahū. Ka taea e ia te tauhohe kaha ki te waikawa whanariki kukū me te waikawa hauota paowa, ā, ka pahū anō hoki. Ka taea te whakaranu ki te wai me te nuinga o ngā whakarewa waro. He whakarewa noa mō ngā tauhohenga matū. Kāore he kakara o te dimethylformamide parakore, engari he kakara ika te dimethylformamide kounga ahumahi, kua pirau rānei, nā te mea he paru dimethylamine kei roto. I ahu mai te ingoa i te mea he whakakapinga dimethyl o te formamide (amide o te waikawa formic), ā, kei runga i te ngota N (hauota) ngā rōpū methyl e rua. Ko te Dimethylformamide he whakarewa aprotic polar (hydrophilic) me te ira kohua teitei, ka taea te whakatairanga i te tikanga tauhohenga SN2. Ka hangaia te Dimethylformamide mai i te waikawa formic me te dimethylamine. Kāore te Dimethylformamide i te pumau (ina koa i ngā pāmahana teitei) i te aroaro o ngā turanga kaha pēnei i te konutai hauwai, ngā waikawa kaha pēnei i te waikawa hauwaiora, te waikawa whanariki rānei, ā, ka waikura hei waikawa formic me te dimethylamine.
He tino pumau i te hau, ā, ina werahia kia koropupū. Ina neke ake te pāmahana i te 350°C, ka ngaro te wai, ka puta he hauota waro me te dimethylamine. He tino pai te whakarewa porotaka aprotic te N,N-dimethylformamide e taea ai te whakarewa i te nuinga o ngā matū waro me ngā matū kore-waro, ā, ka taea te whakaranu ki te wai, ngā waipiro, ngā ether, ngā aldehyde, ngā ketone, ngā esters, ngā hauwaiwaro halogenated me ngā hauwaiwaro kakara. . Ko te pito pai o te ngota ngota N,N-dimethylformamide e karapotia ana e ngā rōpū methyl, e hanga ana i tētahi arai ā-wāhi e ārai ana i ngā katote kino mai i te whakatata mai, ā, ka hono noa i ngā katote pai. He nui ake te kaha o ngā anion tahanga i ngā anion kua whakarewahia. He māmā ake te mahi i ngā tauhohenga ionic maha i roto i te N,N-dimethylformamide i ngā whakarewa protic whānui. Hei tauira, ka tauhohe ngā carboxylates me ngā hauwaiwaro halogenated i roto i te N,N-dimethylformamide i te pāmahana rūma. , ka taea te whakaputa i ngā esters me ngā hua teitei, ā, he tino pai mō te hanga i ngā esters aukati-sterically.
