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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.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
He wai kore tae ki te kōwhai. He kakara motuhake. He wairewa paku ki te wai, he wairewa ki ngā whakarewa waro pēnei i te etanoru, te etera, te chloroform me te benzene. I ahu mai i te tauhohenga o te aniline me te ethyl chloride. Te rahinga kai mata: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic sodium (42%) 1230kg/t, phthalic anhydride 29kg/t.
Ka taea te whakamahi hei hanga i ngā tae azo, ngā tae triphenylmethane, me ētahi atu. He takawaenga nui anō hoki mō te hanga rongoā me ngā kaihanga kiriata tae, ā, he whānui rawa ōna tono.
Rokiroki: Ka whakapūhautia te whare putunga, ka whakamaroketia i te pāmahana iti; ka rongoa motuhake mai i ngā waikawa, ngā waikura me ngā tāpiringa kai. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Āhua He wai matotoru karaka-whero ki te parauri.
Whakamahinga: Whakamahia mō te hanga kapia whakawhiti anion, kiriuhi whakawhiti katote, whakakorenga hinu mata, tāpiri hinu whakahinuhinu, me ētahi atu. Ka whakamahia hoki hei kaihoko whakaora kapia epoxy me te tāpiri whakakikorua kore-cyanide.
Wairewatanga: wairewa i roto i te wai me te etanoru, kāore e wairewa i roto i te etere, ka mimiti ngāwari i te makuku me te hauhā waro i te rangi, ā, ka hanga tote e rite ana ki ngā waikawa, ka totoka i ngā pāmahana iti.
He tino ngāwari te pahū ina pāngia e te pānga, te waku, te mura tuwhera, me ētahi atu pūtake mura. Penapenahia ki roto i tētahi whare putunga hauhautanga, maroke, me te hauhautanga kua whakatapua mō ngā mea pahū. Kaua te pāmahana rokiroki e neke ake i te 32°C, ā, kaua te haumākū whanaunga e neke ake i te 80%. Puritia kia matara atu i te ahi me ngā pūtake wera. Me penapena motuhake mai i ngā waikura, ngā waikawa, me ngā kawakore, ā, kaua e whakaurua ngā momo rokiroki whakauru. Me whai taputapu ahi e tika ana, e tika ana hoki. Me wātea ngā rauemi e tika ana i roto i te wāhi penapena hei pupuri i ngā maringi. Kaua e wiri, e pāngia, e waku rānei.
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Waikawa Ethylenediaminetetraacetic CAS: 60-00-4
Waikawa Ethylenediaminetetraacetic CAS: 60-00-4
ngā āhuatanga matū
Ka puta te tioata o tēnei hua mai i te wai hei paura mā. Ko te wairewatanga ki te wai i te 25℃ he 0.5g/L. Kāore e wairewa i roto i te wai matao, te waipiro me ngā whakarewa waro whānui. Ka wairewa i roto i ngā otinga konutai hauwai, konutai kāponāte me te haukini.
Tikanga whakaputa:
Te tauhohenga o te ethylenediamine me te waikawa chloroacetic. Tāpirihia he 100kg o te waikawa chloroacetic, he 100kg o te hukapapa me te 135kg o te otinga konutai hauwai (30%) ki roto i te ipu tauhohenga, kātahi ka tāpirihia he 18kg o te 83% ki te 84% ethylenediamine me te whakaoho. Whakatōkia ki te 15°C mō te 1 hāora. Tāpirihia he otinga konutai hauwai 30% i roto i ngā puranga o te 10L i ia wā. Whai muri i ia tāpiritanga, tāpirihia tētahi atu puranga i muri i te korenga o te wai whakamātautau phenolphthalein e whakaatu whero. Puritia ki te pāmahana rūma mō te 12 hāora. Whakamahanahia ki te 90°C ka tango tae ki te waro whakahohe. Tātarihia, horoia te toenga tātari ki te wai, ā, i te mutunga, whakatikatikahia te uara pH ki te 3 ki te waikawa hauwai hauwai kukū. Whakamataohia, ka whakatiotia, tātarihia ka horoia ki te wai kia kore ra ano he tauhohenga ion chloride. Ngā hua maroke.
Te tauhohenga o te ethylenediamine ki te formaldehyde me te konutai cyanide. Whakaranua te 60% o te wairewa ethylenediamine, te 30% o te wairewa konutai cyanide me te konutai hauwai, ā, puritia te ranunga ki te 20°C mō te 0.5h. Kātahi ka tāpirihia te wairewa formaldehyde kia maturuturu iho. Whai muri i te tauhohenga, ka wetekina te pukapuka matū, ā, ka mimiti te wai. Kātahi ka whakahokia te mahi i runga ake nei, me te tāpiri i te formaldehyde nui rawa mō te wā whakamutunga kia taea ai e te konutai cyanide te tauhohe katoa. Whakatikatikahia te pH ki te 1.2 me te waikawa waimeha. Ka puta he matū mā, ka tātarihia, ka horoia ki te wai, ā, ka whakamarokehia ki te 110°C. Tikina te hua.
He mea nui te waikawa Ethylenediaminetetraacetic (EDTA). He whānuitia te whakamahinga o te EDTA, ā, ka taea te whakamahi hei whakapiri mā i roto i te tukatuka i ngā rauemi tae-ataata, ngā āwhina tae, ngā āwhina tukatuka muka, ngā tāpiringa whakapaipai, ngā rongoā whakaheke toto, ngā hopi horoi, ngā mea whakau, ngā mea whakaoho polymerization rapa hangai. He chelate te EDTA hei matū māngai mō ngā ranunga. Ka taea e ia te hanga matatini matū wairewa-wai pumau me ngā konganuku kawakore, ngā huānga whenua onge me ngā konganuku whakawhiti. Haunga ngā tote konutai, kei reira anō ngā tote ammonia me ngā momo tote pēnei i te rino, te konupūmā, te konupūmā, te parahi, te manganese, te konutea, te cobalt, me te konumohe. He rerekē ngā whakamahinga o ia tote. Hei tāpiri, ka taea hoki te whakamahi i te EDTA hei tango tere i ngā konganuku irahiko kino mai i te tinana tangata, ā, hei mahi whakakore paitini. He kaihoko maimoatanga wai anō hoki. He tohu nui anō hoki te EDTA, engari ka whakamahia hei titration i te konganuku nikara, te parahi, me ētahi atu. Ina whakamahia, me whakamahi tahi me te ammonia kia mahi hei tohu. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
He kaiārahi chelating kaha te disodium ethylenediaminetetraacetate (e mōhiotia ana ko te disodium EDTA). Nā tōna pumau teitei me ōna āhuatanga taunga whānui, tata taea e ia te taunekeneke me te nuinga o ngā katote konganuku engari ko ngā konganuku kawakore (pērā i te rino, te parahi, te konupūmā, te konupora me ētahi atu katote maha-valent) hei hanga i ngā matatini wairewa-wai pumau, ka whakakore i ngā katote konganuku, i ngā tauhohenga kino rānei i puta mai i a rātou.
He paura tioata mā te disodium EDTA, ka wairewa ki te wai, ā, tata kore e wairewa ki te etanoru me te etera. Ko te uara pH o tōna wairewa he tata ki te 5.3, ā, e whakamahia ana i roto i ngā hopi horoi, ngā tāpiri tae, ngā kaihoko tukatuka muka, ngā tāpiringa whakapaipai, ngā tāpiringa kai, ngā maniua ahuwhenua iti me te ahuwhenua moana, me ētahi atu.
E whakamahia ana te disodium ethylenediaminetetraacetate i roto i te kai, te rongoā, ngā mea whakapaipai me ētahi atu hua. Ka taea te whakamahi i te disodium ethylenediaminetetraacetate kai-kai hei whakaū, hei whakakōkī, hei ārai mate me hei tiaki, ā, ka taea te tiaki i te tae me te ātete i te waikura. , he mahi tahi ārai-waikura me te pānga whakaū. -
Konutai edetate CAS: 64-02-8
Konutai edetate CAS: 64-02-8
Kei roto i te waikawa Ethylenediaminetetraacetic (EDTA) e whā ngā rōpū carboxyl, ā, ka taea te hanga i te disalt, te trisalt me te tetrasalt. Ko ngā tote EDTA noa ko te disodium ethylenediaminetetraacetate (EDTA-2Na), tetrasodium ethylenediaminetetraacetate (EDTA-4Na), te dipotassium ethylenediaminetetraacetate (EDTA-2K) me te ethylenediaminetetraacetic acid. Tripotassium (EDTA-3K). Ko te Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) he ngota iti waro maha-mahi kei roto ngā rōpū amino me te carboxyl. He whānuitia te whakamahinga i roto i te matū tātari hei matū whakahiato.
Āhuatanga matū: Paura tioata mā. Ka wairewa i roto i te wai me te waikawa, kāore e wairewa i roto i te waipiro, te benzene me te chloroform.
He mea nui te Tetrasodium EDTA hei whakapūmau me te ārai whakarewa. Ka taea te whakamahi i roto i te tae i roto i te umanga kakahu, te maimoatanga kounga wai, te aro ki te tae, te rongoā, ngā matū o ia rā, te hanga pepa me ētahi atu ahumahi, hei tāpiri, hei whakahohe, hei horoi wai, hei ārai i te katote whakarewa me te whakahohe i roto i te umanga rapa styrene-butadiene. I roto i te umanga kiriaku tukanga maroke, ka taea e ia te whakakore i te pokanoa whakarewa me te whakapai ake i te tae me te kanapa o ngā papanga kua taehia. Ka taea hoki te whakamahi i roto i ngā hopi horoi wai hei whakapai ake i te kounga horoi me te whakarei ake i te pānga horoi. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris(dimethylaminomethyl)phenol
CAS 90-72-2
Tikanga hanga
Tāpirihia te phenol me te 40% o te otinga wai dimethylamine ki te ipu tauhohenga, whakaohokia, ka whakaranua kia ōrite, whakamataohia kia raro iho i te 20°C, tāpirihia mārire te 30% o te otinga wai formaldehyde me te whakaoho, ā, whakahaeretia kia oti te tāpiri i raro iho i te 30°C. Me whakaoho tonu i te 25-30°C mō te 1 hāora, kātahi ka whakapiki ake i te pāmahana ki te 90-95°C ka whakahokia ki te oumu mō te 2 hāora. Tāpirihia te tote hei wehe i te āhua wai, ā, wehea te paparanga hinu mō te wehewehenga i raro i te pēhanga iti kia puta ai te hua oti. Neke atu i te 95% te ihirangi o ngā hua ahumahi.
Āhua: Wai mārama, kore tae, he kōwhai mārama rānei. Ka mura.
Whakamahia hei rongoā mō ngā kapia epoxy whakamahana, ngā piripiri, ngā hiri mō ngā rauemi laminate me ngā papa, ngā mea whakakore waikawa me ngā whakakorikori i roto i te hanga polyurethane. -
DIETILENA TRIAMINE (TAURANGA) 111-40-0
DIETILENA TRIAMINE (TAURANGA) 111-40-0
taiao
He wai kōwhai, he wai mātotoru, he kakara haukini, he mura, he kaha te kawakore. Ka wairewa ki te wai, ki te acetone, ki te benzene, ki te ether, ki te methanol, me ētahi atu, kāore e wairewa ki te n-heptane, ā, ka waikura ki te parahi me ōna koranu. Te ira rewa -35℃. Te ira koropupū 207℃. Te mātotoru whanaunga o. 9586. Te ira mura 94℃. Te taupū whakaata 1. 4810. He rite te tauhohenga o tēnei hua ki ngā amine tuarua, ā, he ngāwari ki te tauhohe ki ngā momo matū. He whānuitia ngā whakamahinga o ōna hua.
whakamahi
Ko te nuinga o te wā ka whakamahia tēnei hua hei whakarewa me te takawaenga hanga rauropi, ā, ka taea te whakamahi hei hanga i ngā kaihoko whakaora kapia epoxy, ngā kaihoroi hau (mō te tango CO2), ngā tāpiringa hinu whakahinuhinu, ngā emulsifier, ngā matū whakaahua, ngā surfactants, me ngā kaihoko whakaoti kakahu. , whakarei pepa, kaihoko whakahiato aminocarboxylic, kaihoko chelating whakarewa, kaihoko tohatoha hiko hydrometallurgy me te cyanide-free, kaiwhakamārama, me te kapia whakawhiti katote hangai me te kapia polyamide, me ētahi atu. -
N,N-dimethylethanolamine CAS: 108-01-0
N,N-dimethylethanolamine CAS: 108-01-0
He wai kore tae, he kakara pūngāwerewere. Paepae kakara: 0.25 ppm. Taumaha ngota 5 89.16; Ira koropupū =133℃; Ira tio/rewa =259℃; Ira mura =41℃ (oc); Pāmahana mura aunoa 5=295℃. Ngā rohe pahūtanga: LEL 5=1.6%; UEL 5=11.9%. Tautuhinga mōrearea (i runga i te Pūnaha Whakatauranga NFPA-704M): Hauora 2, Mura 2, Tauhohenga 0. Ka wairewa ki te wai.
E mōhiotia ana hoki ko te dimethylaminoethanol. E whakaatu ana ngā rangahau i ngā āhuatanga whakakaha kiri, me te kaha ki te whakaiti i te āhua o ngā raina angiangi me ngā kita me ngā porowhita pōuri i raro i ngā kanohi. E kiia ana he ārai-pakeketanga, he ārai-mumura, ā, kua whakaatuhia he mahi whakakore i ngā rauropi kore utu. Ka whakamahia hoki hei aukati waikura, hei ārai-tauine, hei tāpiri peita, hei tāpiri paninga me te hei wehewehe i ngā totoka. Ka whakamahia hoki hei takawaenga mō ngā kai rongoā hohe me ngā tae. Ka mahi hei kaihoko whakaora mō ngā polyurethane me ngā kapia epoxy. Hei tāpiri atu, ka whakamahia hei tāpiri ki te wai kohua. Hei tāpiri atu ki tēnei, ka whakamahia hei rongoā hei whakaohooho CNS.
