ngā hua

  • 2-Ethylhexylamine CAS: 104-75-6

    2-Ethylhexylamine CAS: 104-75-6

    2-Ethylhexylamine CAS: 104-75-6
    He wai mārama, kāore he tae, he wairewa paku ki te wai, he wairewa ki te etanoru me te ātenikona. Ka mura. Kāore e hototahi ki ngā matū whakahāngai kaha. Ka whakamahia hei takawaenga mō ngā patu pepeke, ngā tae, ngā tae, ngā matū horoi, me ngā patu pepeke. Ka taea hoki te whakamahi hei hanga i ngā mea whakaū, ngā mea tiaki, ngā mea whakaemulsifier, me ētahi atu. Ka whiwhihia te tikanga whakarite mā te tauhohe i te 2-ethylhexanol me te haukini. I roto i te huinga taputapu ipu para kotahi, ka taea te whakaputa i te 2-ethylhexylamine, te di(2-ethylhexyl)amine, me te tris(2-ethylhexyl)amine i roto i te hurihuri.
  • p-Toluenesulfonamide CAS 70-55-3

    p-Toluenesulfonamide CAS 70-55-3

    Ko te p-Toluenesulfonamide, e mōhiotia ana ko te 4-toluenesulfonamide, p-sulfonamide, toluene-4-sulfonamide, toluenesulfonamide, p-sulfamoyltoluene, he tioata ma, he rau rānei, e whakamahia ana hei hanga chloramine-T me Chloramphenicol, hei hanga tae kanapa, hei hanga kirihou, hei hanga kapia hangai, hei paninga, hei patu huakita me hei whakakanapa rakau, me ētahi atu.
    He pai rawa te p-Toluenesulfonamide hei hanga kirihou totoka mō ngā kirihou whakamahana, he pai mō te kapia phenolic, te kapia melamine, te kapia urea-formaldehyde, te polyamide me ētahi atu kapia. Mā te whakaranu iti ka taea te whakapai ake i te ngāwari o te tukatuka, te whakapakari kia ōrite, me te hoatu i te kanapa pai ki te hua. Kāore he pānga whakangawari o te p-Toluenesulfonamide pērā i ngā hanga kirihou wai, kāore e hototahi ki ngā copolymers polyvinyl chloride me te vinyl chloride, ā, he hototahi wāhanga ki te cellulose acetate, te cellulose acetate butyrate me te cellulose nitrate.
    Ko te tikanga whakaputa ka tāpirihia tuatahitia tētahi wāhanga o te wai HN3 ki roto i te ipu tauhohenga, ka tāpirihia te p-toluenesulfonyl chloride me te whakaoho, ā, ka piki ake te pāmahana ki runga ake i te 50°C. I muri i te hekenga o te pāmahana, ka tāpirihia te toenga o te wai haukini. Tauhohe i te 85~9Chemicalbook0℃ mō te 0.5h. Ka mutu te tauhohenga ina tae te uara pH ki te 8 ki te 9. Whakamatao ki te 20°C, tātarihia, ka horoia te keke tātari ki te wai kia puta ai te hua mata. Kātahi ka tangohia te tae o te hua mā te waro whakahohe, ka whakarewaina ki te kawakore, ka wehea e te waikawa, ka tātarihia, ka whakamarokehia kia puta ai te hua.
  • Tosyl chloride CAS 98-59-9

    Tosyl chloride CAS 98-59-9

    Tosyl chloride CAS 98-59-9
    Ko te Tosyl chloride (TsCl), he hua matū pai rawa atu, e whakamahia whānuitia ana i roto i ngā ahumahi tae, rongoā, me ngā patupatu. I roto i te ahumahi tae, e whakamahia ana hei hanga i ngā takawaenga mō ngā tae marara, tae hukapapa, me ngā tae waikawa; i roto i te ahumahi rongoā, e whakamahia ana a Chemicalbook hei hanga sulfonamides, mesulfonate, me ētahi atu; i roto i te ahumahi patupatu, e whakamahia ana hei hanga mesotrione, sulfotrione, metalaxyl pai, me ētahi atu. I te whanaketanga tonu o ngā ahumahi tae, rongoā me ngā patupatu, kei te piki haere te hiahia o te ao mō tēnei hua i ia rā, i ia rā.
    E rua ngā tukanga matua tuku iho mō te TsCl: 1. Ka hangaia mā te whakakōkō waikawa tika o te toluene me te waikawa chlorosulfonic nui i te pāmahana iti. Ka puta i tēnei tikanga te o-toluenesulfonyl chloride he nui te ihirangi, ā, ko te p-toluenesulfonyl chloride tōna hua taha, ā, he uaua ki te wehewehe, ā, he nui te kaha e pau ana; 2. Ka whakakōkōhia tika te toluene me te waikawa chlorosulfonic ki te waikawa chlorosulfonic nui i te aroaro o ētahi tote me te pāmahana. Ahakoa he nui ake te ōwehenga hua o tēnei tikanga o te toluenesulfonyl chloride, he ngāwari te ōwehenga purenga, ā, he iti te kaha e pau ana. Heoi, nā te pāmahana tauhohenga teitei, he nui ngā sulfones kei roto i te hinu sulfonated kua wehea, ā, he iti te uara whakamahinga. Ko te hua katoa tuturu he tata ki te 70% noa iho i roto i te Chemicalbook. Hei tāpiri, he nui te whakamahinga o te rauemi mata o te waikawa chlorosulfonic i ngā tikanga e rua, ā, he waimeha rawa te waikawa whanariki para i hangaia, kāore e pai mō te whakamahinga me te maimoatanga ahumahi. Kei reira anō ngā pūrongo hei whakapai ake i te tikanga. Tuatahi, ka whakatiotia katoatia te p-toluenesulfonyl chloride i roto i te ranunga tauhohenga i raro i ētahi āhuatanga, ā, ka whakanuia ngā matūriki tioata. Ka whakamahia te tikanga tātari tika me te kore waikura hei tango i te p-toluenesulfonyl chloride mai i te ranunga. Heoi, kei te kitea ētahi uauatanga i tēnei wā ki te whiriwhiri i ngā taputapu ahumahi, ā, he nui te haumitanga. Tukanga whakapai ake: I whiriwhiria ngā whakakorikori e tika ana me ētahi atu āhuatanga tukanga tino pai.
    He tioata mā, he kirikiri kirikiri te Tosyl chloride (TsCl) me te ira rewa o te 69-71°C. He takawaenga rongoā hanga rauropi nui tēnei, ā, e whakamahia ana i roto i te hanga o te chloramphenicol, chloramphenicol-T, thiamphenicol me ētahi atu rongoā.
  • Benzyl chloride CAS: 100-44-7

    Benzyl chloride CAS: 100-44-7

    Benzyl chloride CAS: 100-44-7
    Ko te Benzyl chloride, e mōhiotia ana ko te benzyl chloride me te toluene chloride, he wai kore tae, he kakara kaha. Ka taea te whakaranu ki ngā whakarewa rauropi pērā i te chloroform, te etanoru, me te ether. Kāore e rewa i roto i te wai engari ka mimiti me te kohu wai. Ka pāngia te kiriuhi o ngā kanohi e tōna kohu, ā, he hau roimata kaha. I taua wā anō, he takawaenga anō hoki te benzyl chloride i roto i te hanga rauropi, ā, he whānuitia te whakamahinga i roto i te hanga tae, patupatu pepeke, kakara hangai, hopi horoi, kirihou, me ngā rongoā.
    Ngā tono
    He whānuitia ngā whakamahinga o te Benzyl chloride i roto i te ahumahi. Ko te nuinga o te whakamahinga he patu pepeke, he rongoā, he mea kakara, he tāpiri tae, me ngā tāpiri hangai. Ka whakamahia hei whakawhanake me te whakaputa benzaldehyde, butyl benzyl phthalate, aniline, phoxim, me te benzyl chloride. Penicillin, benzyl alcohol, phenylacetonitrile, phenylacetonitril, waikawa phenylacetitic me ētahi atu hua. Nō te akomanga benzyl halide o ngā matū whakapataritari te Benzyl chloride. Mō ngā patu pepeke, ehara i te mea ka taea anake te hanga tika i ngā patu harore organophosphorus Daifengjing me Isidifangjing Chemicalbook, engari ka taea hoki te whakamahi hei rauemi mata nui mō ētahi atu takawaenga, pērā i te hanga phenylacetonitrile, Benzoyl chloride, m-phenoxybenzaldehyde, me ētahi atu. Hei tāpiri, he whānuitia te whakamahinga o te benzyl chloride i roto i te rongoā, i ngā mea kakara, i ngā tāpiri tae, i ngā kapia hangai, me ētahi atu. He takawaenga nui i roto i te hanga matū me te rongoā. Kātahi ka mau tonu te nui o ngā takawaenga benzyl chloride i roto i ngā wai para, ngā para rānei i hangaia e ngā umanga i te wā o te tukanga whakaputa.
    Ngā Āhuatanga Matū:
    He wai mārama, kore tae, he kakara kaha, he kakara kawa. Ka tere te haehae. Ka wairewa i roto i ngā whakarewa rauropi pērā i te ether, te waipiro, te chloroform, me ētahi atu, kāore e wairewa i roto i te wai, engari ka mimiti me te mamaoa wai.
  • N-Isopropylhydroxylamine CAS: 5080-22-8

    N-Isopropylhydroxylamine CAS: 5080-22-8

    He wai kore tae te N-Isopropylhydroxylamine, he kakara haukini kaha.
    - Ka wairewa i roto i te wai me te nuinga o ngā whakarewa waro, engari kāore e wairewa i roto i ngā whakarewa kore-porowhita.
    - He nucleophile tēnei e whai tauhohenga tāpiritanga ana ki ngā pūhui pērā i ngā esters, aldehydes, me ngā ketones.
    whakamahi:
    - Ko te N-Isopropylhydroxylamine te nuinga o te wā e whakamahia ana i roto i ngā tauhohenga hanga rauropi, inā koa hei matū whakauru.
    - Ka taea te whakamahi hei hanga i ngā hua amination o ngā aldehydes, ketones, me ngā esters, me te whai wāhi atu ki ētahi tauhohenga cyclization.
    - Ka taea hoki te whakamahi hei matū whakaiti hei mahi i ngā tauhohenga whakaiti i roto i te hanganga matū waro.
    Tikanga whakarite:
    - Ko te tikanga whakarite noa mō te N-isopropylhydroxylamine ko te mahi i te tauhohenga amidation ki runga i te waipiro isopropyl hei whiwhi i te N-isopropylisopropylamide, kātahi ka whakamahia te hau haukini hei mahi ki runga hei whakaputa i te N-isopropylhydroxylamine.
    Ngā Mōhiohio Haumarutanga:
    - He matū waikura te N-Isopropylhydroxylamine ka pā te riri me te wera ina pā ki te kiri me ngā kanohi.
    - Mauria he karapu tiaki, he mōhiti kanohi me ētahi atu taputapu tiaki whaiaro i te wā e whakamahi ana.
    - Whakamahia ki tētahi wāhi e pai ana te hau, ā, kaua e hongihia ōna kohu.
  • 2,6-Dimethylaniline CAS 87-62-7

    2,6-Dimethylaniline CAS 87-62-7

    He wai kōwhai paku te 2,6-Dimethylaniline, ko tōna matotorutanga he 0.973. Kāore e wairewa i roto i te wai, e wairewa ana i roto i te waipiro, te ether, ā, e wairewa ana i roto i te waikawa hauwaiora.
    Ko ngā huarahi hanga o te 2,6-dimethylaniline ko te tikanga 2,6-dimethylphenol aminolysis, te tikanga o te o-methylaniline alkylation, te tikanga aniline methylation, te tikanga m-xylene disulfonation nitration me te tikanga m-xylene disulfonation. Te tikanga whakaiti toluene nitration, me ētahi atu.
    He takawaenga nui tēnei hua mō te hanga patu pepeke me ngā rongoā, ā, ka taea hoki te whakamahi hei rauemi mata mō ngā hua matū pēnei i ngā tae. Ka mura i te mura tuwhera; ka tauhohe ki ngā waikura; ka memeha te paoa hauota waikura paitini i te wera nui.

  • 2,4-Dimethyl aniline CAS 95-68-1

    2,4-Dimethyl aniline CAS 95-68-1

    .
    2,4-Dimethyl aniline CAS 95-68-1
    He wai hinuhinu, kāore he tae. Ka hohonu ake te tae i roto i te mārama me te hau. He wairewa paku ki te wai, ka wairewa ki te etanoru, te etera, te penehene me ngā otinga waikawa.
    Ka whiwhihia te 2,4-Dimethylaniline mā te nitration o te m-xylene hei whiwhi i te 2,4-dimethylnitrobenzene me te 2,6-dimethylnitrobenzene. Whai muri i te whakahoro, ka whiwhihia te 2,4-dimethylnitrobenzene. Ka whiwhihia te hua mā te catalytic hydrogenation whakaiti i te benzene. Ka whakamahia hei takawaenga mō ngā patu pepeke, ngā rongoā me ngā tae. Ka taea te tahu i roto i ngā mura tuwhera; ka mahi tahi me ngā oxidants; ka memeha te paoa hauota waikura paitini me te wera nui. I te wā e rongoa ana me te kawe, me whakapūhaumātao te whare putunga me te maroke i te pāmahana iti; rongoa motuhake mai i ngā waikawa, ngā oxidants, me ngā tāpiringa kai.
  • 1-(Dimethylamino)tetradecane CAS 112-75-4

    1-(Dimethylamino)tetradecane CAS 112-75-4

    1-(Dimethylamino)tetradecane CAS 112-75-4
    He wai mārama te āhua. Kāore e wairewa i te wai, ā, he iti ake te matotoru i te wai. Nō reira ka mānu i runga i te wai. Ka pā pea te kiri, ngā kanohi me ngā kiriuhi mucous. Tērā pea ka paitini ina horomia, ina manawahia, ina mimitihia rānei e te kiri.
    Whakamahia hei hanga i ētahi atu matū. Ā, ko te nuinga e whakamahia ana i roto i ngā mea tiaki, ngā tāpiri wahie, ngā patu huakita, ngā tango konganuku onge, ngā whakamarara tae, ngā kaihoko whakapūmau kohuke, ngā rauemi mata whakapaipai, me ētahi atu.
    Ngā tikanga rokiroki: Puritia ki te wāhi matao, maroke, pōuriuri i roto i te ipu, i te rango rānei kua hiritia. Puritia kia matara atu i ngā rauemi kore e hototahi, ngā pūtake mura me ngā tāngata kāore i whakangungua. Tiakina, ā, tāpirihia he tapanga ki te wāhi. Tiakina ngā ipu/rango mai i ngā kino ā-tinana.
  • Triethylamine CAS: 121-44-8

    Triethylamine CAS: 121-44-8

    Ko te Triethylamine (tātai ngota: C6H15N), e mōhiotia ana ko N,N-diethylethylamine, ko te amine tuatoru homo-trisubstituted māmā rawa atu, ā, he rite tonu ōna āhuatanga ki ngā amine tuatoru, tae atu ki te hanganga tote, te waikura, me te amine triethyl. Kāore he urupare i roto i te whakamātautau (Hisbergreaction). Ka puta mai he wai mārama, he kowhai mārama, he kakara haukini kaha, ā, he paku paowa i te hau. He paku wairewa ki te wai, he wairewa ki te etanoru me te etera. He kawakore te wairewa wai. He paitini, he tino whakapataritari hoki.
    Ka taea te whiwhi mā te tauhohe i te etanoru me te haukini i te aroaro o te hauwai i roto i tētahi tauhohenga kua whakauruhia ki tētahi whakakorikori parahi-nikara-uka i raro i ngā tikanga whakamahana (190±2°C me te 165±2°C). Ka puta hoki i te tauhohenga te monoethylamine me te diethylamine. I muri i te whakatōtō, ka rehuhia te hua ki te etanoru ka mimitihia kia puta ai te triethylamine mata. Hei whakamutunga, i muri i te wehenga, te whakamaroke me te wehewehenga, ka puta te triethylamine parakore.
    Ka taea te whakamahi i te triethylamine hei whakarewa me te rauemi mata i roto i te umanga hanga matū waro, ā, ka whakamahia hoki i roto i te hanga rongoā, patupatu pepeke, aukati polymerization, wahie pūngao-nui, rapa, me ētahi atu.
  • Chloroacetone CAS: 78-95-5

    Chloroacetone CAS: 78-95-5

    Chloroacetone CAS: 78-95-5
    He wai kore tae tōna āhua, he kakara kino. Ka wairewa ki te wai, ka wairewa ki te etanoru, te etera me te kōroporuma. Ka whakamahia i roto i te hanga matū koiora hei hanga rongoā, patupatu pepeke, mea kakara me ngā tae, me ētahi atu.
    He maha ngā tikanga hanga mō te chloroacetone. Ko te tikanga whakapūkara acetone tētahi tikanga nui e whakamahia ana i roto i te hanga ā-whare i tēnei wā. Ka whiwhihia te chloroacetone mā te whakapūkara i te acetone i te aroaro o te konupūmā kāponāte, he mea here waikawa. Tāpirihia te acetone me te konupūmā kāponāte ki roto i te tauhohenga kia rite ki tētahi ōwehenga whāngai, whakaohokia kia hanga he paraoa, ka whakamahana kia huri. I muri i te whakamutu i te whakamahana, tukuna te hau chlorine mō te 3 ki te 4 hāora, ka tāpirihia he wai hei whakarewa i te konupūmā kōhatu i hangaia. Ka kohia te paparanga hinu, kātahi ka horoia, ka whakamaroketia, ka whakapūkara kia whiwhi ai i te hua chloroacetone.
    Ngā āhuatanga rokiroki me te kawe o te chloroacetone
    Ka whakapūhaumāotahia te whare putunga, ka whakamaroketia hoki i te pāmahana iti; ka tiakina mai i ngā mura ahi me ngā pāmahana tiketike, ā, ka rongoatia, ka haria motuhaketia mai i ngā rauemi mata kai me ngā matū waikura.
    Ngā tikanga rokiroki: 2-8°C
  • Propylene glycol CAS:57-55-6

    Propylene glycol CAS:57-55-6

    Ko te ingoa pūtaiao o te propylene glycol ko "1,2-propanediol". He wai mātotoru te racemate, he reka paku kakara. Ka taea te whakaranu ki te wai, te acetone, te ethyl acetate me te chloroform, ā, ka wairewa ki te ether. Ka wairewa ki te maha o ngā hinu kakara, engari kāore e taea te whakaranu ki te petroleum ether, te paraffin me te hinu. He tino pumau ki te wera me te mārama, ā, he pumau ake i ngā pāmahana iti. Ka taea te whakakōkō i te propylene glycol ki te propionaldehyde, te waikawa lactic, te waikawa pyruvic me te waikawa acetic i ngā pāmahana teitei.
    He diol te propylene glycol, ā, he rite ngā āhuatanga ki ngā waipiro whānui. Ka tauhohe ki ngā waikawa waro me ngā waikawa inorganic hei whakaputa monoesters, diesters rānei. Ka tauhohe ki te propylene oxide hei whakaputa ether. Ka tauhohe ki te hauwai halide hei whakaputa halohydrins. Ka tauhohe ki te acetaldehyde hei hanga methyldioxolane.
    Hei kaihoko ārai mate huakita, he rite te propylene glycol ki te etanoru, ā, ko tōna whai huatanga ki te aukati i te harore he rite ki te glycerin, ā, he iti iho i te etanoru. He mea whakamahi noa te propylene glycol hei mea hanga kirihou i roto i ngā rauemi paninga kiriata wai. Ka taea e te ranunga o ngā wāhanga ōrite ki te wai te whakaroa i te waikura o ētahi rongoā, me te whakanui ake i te pumau o ngā whakaritenga.
    He wai kore tae, matotoru, pumau hoki, he wai mimiti wai, tata kore reka, kore kakara. Ka taea te whakaranu ki te wai, te etanoru me ngā momo whakarewa waro. Whakamahia hei rauemi mata mō ngā kapia, ngā mea hanga kirihou, ngā mea horoi matū, ngā mea whakapūhui me ngā mea whakakore matū, tae atu ki ngā mea ārai huka me ngā mea kawe wera.
  • Waikawa benzoic CAS:65-85-0

    Waikawa benzoic CAS:65-85-0


    Ko te waikawa benzoic, e mōhiotia ana ko te waikawa benzoic, ko te tātai ngota o C6H5COOH. Koinei te waikawa kakara māmā rawa atu e hono tika ana te rōpū carboxyl ki te ngota waro o te mowhiti benzene. He matū i hangaia mā te whakakapi i te hauwai i runga i te mowhiti benzene ki te rōpū carboxyl (-COOH). He tioata kirikiri kore tae, kore kakara. Ko te ira rewa ko 122.13℃, ko te ira kohua ko 249℃, ā, ko te mātotoru whanaunga ko 1.2659 (15/4℃). Ka tere te whakatōtō i te 100°C, ā, he tino whakapataritari tōna kohu, ā, ka taea te maremare i muri i te manawa. He paku wairewa ki te wai, he ngāwari te wairewa ki ngā whakarewa waro pēnei i te etanoru, te etera, te chloroform, te benzene, te toluene, te waro disulfide, te waro tetrachloride me te paina. Kei te kitea whānuitia i roto i te taiao i te ahua o te waikawa kore utu, te ester, ngā mea rānei e pā ana ki a ia. Hei tauira, kei roto i te āhua o te waikawa kore utu me te benzyl ester i roto i te benzoin gum; kei roto i te āhua kore utu i roto i ngā rau me te kiri o ētahi tipu; kei roto i te kakara. Kei roto i te āhua o te methyl ester, o te benzyl ester rānei i roto i ngā hinu kakara; kei roto i te āhua o tōna waikawa hippuric i roto i te mimi hōiho. He waikawa ngoikore te waikawa benzoic, he kaha ake i ngā waikawa ngako. He rite tonu ngā āhuatanga matū o ēnei, ā, ka taea te hanga tote, esters, acid halides, amides, acid anhydrides, me ētahi atu, ā, kāore e ngāwari te waikura. Ka puta he tauhohenga whakakapinga hiko i runga i te mowhiti benzene o te waikawa benzoic, ka puta ai ngā hua meta-whakakapinga.
    He maha ngā wā ka whakamahia te waikawa benzoic hei rongoā, hei tiaki rānei. He pānga tōna ki te aukati i te tipu o ngā harore, ngā huakita, me te pokepokea ai. Ina whakamahia hei rongoā, ka whakamahia ki te kiri hei rongoā i ngā mate kiri pēnei i te kūtuku. Ka whakamahia i roto i ngā ahumahi muka hangai, ngā kapia, ngā paninga, te rapa, me te tupeka. I te tīmatanga, i hangaia te waikawa benzoic mā te whakapūkara i te kapia benzoin, te whakapūkara rānei i te pukapuka matū ki te wai kawakore. Ka taea hoki te whakaputa mā te whakapūkara i te waikawa hippuric. I roto i te ahumahi, ka hangaia te waikawa benzoic mā te whakapūkara hau o te toluene i te aroaro o ngā whakakorikori pēnei i te cobalt me ​​te manganese; ka hangaia rānei mā te whakapūkara me te tango i te carboxylation o te phthalic anhydride. Ka taea te whakamahi i te waikawa benzoic me tōna tote konutai hei kaihoko patu huakita i roto i te rapa, te paraihe niho, te tiamu, me ētahi atu kai rānei, ā, ka taea hoki te whakamahi hei wai whakapūkara mō te tae me te tā.