hua

  • N-Isopropylhydroxylamine CAS: 5080-22-8

    N-Isopropylhydroxylamine CAS: 5080-22-8

    Ko te N-Isopropylhydroxylamine he wai kore tae me te haukini kaha kaha.
    - He wairewa i roto i te wai me te nuinga o nga whakarewa pararopi, engari karekau i roto i nga whakarewa kore-polar.
    - He nucleophile he tauhohenga taapiri ki nga puhui penei i te esters, aldehydes, me te ketones.
    whakamahi:
    - Ko te N-Isopropylhydroxylamine te nuinga e whakamahia ana i roto i nga tauhohenga whakahiato waro, ina koa he reagent amination.
    - Ka taea te whakamahi ki te whakahiato i nga hua amination o te aldehydes, te ketones, me te esters, me te whai waahi ki etahi tauhohenga huringa.
    - Ka taea hoki te whakamahi hei reagent whakaheke hei mahi i nga tauhohenga whakaheke i roto i te whakahiato waro.
    Tikanga takahanga:
    - Ko te tikanga whakarite noa o te N-isopropylhydroxylamine ko te mahi i te tauhohenga amidation i runga i te waipiro isopropyl kia whiwhi ai i te N-isopropylisopropylamide, katahi ka whakamahi hau haukini hei mahi ki runga ki te whakaputa N-isopropylhydroxylamine.
    Mōhiohio Haumarutanga:
    - Ko te N-Isopropylhydroxylamine he matū waikura ka pa ki te kiri me nga kanohi.
    - Kia mau i nga karapu whakamarumaru, motiuri me etahi atu taputapu whakamarumaru whaiaro ina whakamahi.
    - Whakamahia i roto i te waahi pai te hau me te karo i te tango i ona kohu.
  • 2,6-Dimethylaniline CAS 87-62-7

    2,6-Dimethylaniline CAS 87-62-7

    Ko te 2,6-Dimethylaniline he wai paku kowhai me te kiato whanaunga o 0.973. Kare e rewa i roto i te wai, ka whakarewahia ki te waipiro, ki te etera, ki te waikawa hauwai.
    Ko nga huarahi whakahiato o te 2,6-dimethylaniline te nuinga o te tikanga 2,6-dimethylphenol aminolysis, o-methylaniline alkylation tikanga, aniline methylation tikanga, m-xylene disulfonation tikanga nitration me te m-xylene disulfonation tikanga. Toluene tikanga whakaiti i te waikawa, etc.
    He takawaenga nui tenei hua mo te hanga pesticides me nga rongoa, ka taea hoki te whakamahi hei rauemi mata mo nga hua matū penei i te waikano. Ka tahuna e te mura ahi; tauhohe ki te hāora; ka pirau te paowa hauota waikura paitini me 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 kore tae. Ka hohonu te tae ki te marama me te hau. He iti te wairewa ki te wai, ka whakarewahia ki te waiwaro, te etera, te benzene me te wairewa waikawa.
    Ka whiwhihia te 2,4-Dimethylaniline ma te whakamaoritanga o te m-xylene ki te whiwhi 2,4-dimethylnitrobenzene me te 2,6-dimethylnitrobenzene. I muri i te whakamaroketanga, ka whiwhihia te 2,4-dimethylnitrobenzene. Ka whiwhi te hua na roto i te whakahekenga hauwaitanga catalytic o te benzene. Ka whakamahia hei takawaenga mo te pesticides, pharmaceuticals me te waikano mahi ki te hāora; ka pirau te paowa hauota waikura paitini me te wera nui. I te wa o te rokiroki me te kawe, me whakamahana te whare putunga me te maroke i te iti o te pāmahana; rokiroki motuhake mai i te waikawa, te haukura, me te taapiri kai.
  • 1-(Dimethylamino)tetradecane CAS 112-75-4

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

    1-(Dimethylamino)tetradecane CAS 112-75-4
    He wai marama te ahua. kare e rewa ki te wai, he iti ake te matotoru i te wai. No reira ka rewa i runga i te wai. Ka whakaparahako pea te kiri, nga kanohi me nga kiriuhi mucous. He paitini pea na te horomitanga, te ngongo, te tango kiri ranei.
    I whakamahia ki te hanga i etahi atu matū.A te nuinga ka whakamahia i roto i nga kohuke, nga taapiri wahie, nga huakita, nga tangohanga whakarewa onge, nga whakangao whakangao, nga kaihoko rererangi kohuke, nga mea whakapaipai, me era atu.
    Nga tikanga rokiroki: Purihia ki tetahi waahi makariri, maroke, pouri i roto i te ipu kua hiri, i roto ranei i te porotaka. Kia matara atu i nga rawa hotokore, nga puna mura me nga tangata kare i akona. Te waahi haumaru me te tapanga. Tiakina nga ipu/puoto mai i te kino tinana.
  • Triethylamine CAS: 121-44-8

    Triethylamine CAS: 121-44-8

    Ko te Triethylamine (taiao rāpoi: C6H15N), e mohiotia ana ko N,N-diethylethylamine, ko te amine tuatoru kua whakauruhia ki te homo-trisubstituted me nga ahuatanga angamaheni o nga amine tuatoru, tae atu ki te hanga tote, te waiora, me te triethyl Chemicalbook amine. Whakamātautau (Hisbergreaction) kaore he whakautu. Ko te ahua he wai kore tae ki te kowhai marama marama me te kakara haukini kaha me te paowa paku i te rangi. He iti te wairewa ki te wai, ka memeha ki te waiwaro me te etera. He kawakore te wairewa wai. He paitini me te tino whakapataritari.
    Ka taea te whiwhi ma te tauhohe i te waiwaro me te haukini i te aroaro o te hauwai i roto i te reactor i whakauruhia ki te whakakorikori parahi-nickel-uku i raro i nga tikanga whakamahana (190±2°C me 165±2°C). Ko te tauhohenga ka whakaputa ano i te monoethylamine me te diethylamine. Whai muri i te whakamaaramatanga, ka maputia te hua ki te waihano ka uru ki te tiki triethylamine masivesivá. Ka mutu, i muri i te wehenga, te whakamaroketanga me te hautanga, ka whiwhi te triethylamine parakore.
    Ka taea te whakamahi i te Triethylamine hei whakarewa me te rauemi mata i roto i te ahumahi whakahiato pararopi, ka whakamahia ano hoki i roto i te hanga rongoa, pesticides, aukati polymerization, hinu hiko teitei, rapa, etc.
  • Chloroacetone CAS: 78-95-5

    Chloroacetone CAS: 78-95-5

    Chloroacetone CAS: 78-95-5
    Ko tona ahua he wai kore tae me te kakara kawa. Ka whakarewahia ki te wai, ka whakarewahia ki te waiwaro, te etera me te chloroform. Ka whakamahia i roto i te whakahiato waro hei whakarite i nga raau taero, pesticides, mea kakara me te waikano, aha atu.
    He maha nga tikanga whakahiato mo te chloroacetone. Ko te tikanga acetone chlorination he tikanga nui e whakamahia ana i roto i te hanga whare. Ka whiwhihia te Chloroacetone ma te chlorinating acetone i te aroaro o te konupūmā pākawa waro, he kaihoko here waikawa. Tāpirihia te acetone me te konupūmā pākawa waro ki roto i te reactor i runga i te ōwehenga whāngai, whakaohokia kia hanga he slurry, ka wera ki te reflux. Ka mutu te whakamahana, tukuna ki roto i te hau maota mo te 3 ki te 4 haora, ka tapirihia he wai hei whakakore i te konupūmā pūhaumāota i hangaia. Ka kohia te paparanga hinu, katahi ka horoia, ka whakamakuku, ka whakamakuku kia whiwhi ai i te hua chloroacetone.
    Te rokiroki me te kawe i nga ahuatanga o te chloroacetone
    Ka whakamarokehia te whare putunga me te whakamaroke i te pāmahana iti; ka parea ki te mura o te ahi me te wera nui, ka penapena, ka haria motuhake mai i nga rawa kai me nga waiora.
    Nga 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". Ko te racemate he wai kakariki hygroscopic me te reka paku raukikini. He miscible i roto i te wai, acetone, ethyl acetate me te chloroform, ka memeha ki te etera. Ka rewa ki roto i te maha o nga hinu tino nui, engari e kore e uru ki te hinu etera, paraffin me te hinu. He ahua pumau ki te wera me te marama, a he pai ake i nga waahi iti. Ko te propylene glycol ka taea te oxidized ki te propionaldehyde, te waikawa lactic, te waikawa pyruvic me te waikawa acetic i te pāmahana teitei.
    Ko te propylene glycol he diol me nga ahuatanga o nga waipiro whanui. Ka tauhohe ki nga waikawa waro me nga waikawa pararopi ki te whakaputa i te monoesters, te matemate ranei. Ka tauhohe me te propylene oxide ki te whakaputa ether. Ka tauhohe ki te hauwai hauwai ki te whakaputa halohydrin. Ka tauhohe ki te acetaldehyde ki te hanga methyldioxolane.
    I te mea he kaihoko huakita, he rite te propylene glycol ki te ewaro, a, ko tona kaha ki te aukati i te maaka he rite ki te glycerin me te iti iho i te ewaro. Ko te propylene glycol te nuinga o te whakamahi hei peera i roto i nga rauemi whakakikorua kiriata wai. Ko te ranunga o nga wahanga rite ki te wai ka taea te whakaroa i te whakamaaramatanga o etahi raau taero me te whakapiki i te pumau o nga whakaritenga.
    He wai-kore tae, he kakariki, he u, karekau te reka me te hongi. Ka rewa ki te wai, te waihano me nga momo whakarewa pararopi. Ka whakamahia hei rauemi mata mo te kapia, te kirihou, te surfactant, te emulsifiers me te demulsifiers, me te antifreeze me te kawe wera.
  • waikawa Benzoic CAS:65-85-0

    waikawa Benzoic CAS:65-85-0


    Ko te waikawa benzoic, e mohiotia ana ko te waikawa benzoic, he tauira ngota o te C6H5COOH. Koia te waikawa kakara tino ngawari e hono ana te roopu carboxyl ki te ngota waro o te mowhiti benzene. He pūhui i hangaia ma te whakakapi i te hauwai i runga i te whakakai benzene ki te roopu carboxyl (-COOH). He kiripiri kore tae, he haunga kore. Ko te ira whakarewa he 122.13 ℃, te ira koropupū he 249 ℃, me te kiato whanaunga ko 1.2659 (15/4 ℃). Ka tere te whakaheke i te 100°C, a he tino pukuriri tona kohu, ka ngawari te maremare i muri i te whakangohanga. He iti te wairewa ki te wai, he ngawari te whakarewa i roto i nga whakarewa pararopi penei i te waihano, te etera, te chloroform, te benzene, te toluene, te waro disulfide, te waro tetrachloride me te pine Chemicalbook penapena wahie. Kei te noho whanui i roto i te taiao i roto i te ahua o te waikawa kore utu, te ester, me ona hua. Hei tauira, kei te ahua o te waikawa kore utu me te hākawa benzyl i roto i te kapia benzoin; kei roto i nga rau me te kiri kakau o etahi tipu; kei roto i te kakara Kei te ahua o te methyl ester, benzyl ester ranei i roto i nga hinu tino nui; kei roto i te ahua o tona waikawa hippuric i roto i te mimi hoiho. Ko te waikawa benzoic he waikawa ngoikore, he kaha ake i nga waikawa ngako. He rite nga ahuatanga matū, ka taea te hanga i te tote, te ester, te hauwai waikawa, te amida, te waikawa anhydride, me etahi atu, a kaore e ngawari ki te waikura. Ka puta he tauhohenga whakakapinga hiko i runga i te mowhiti benzene o te waikawa benzoic, te nuinga o te whakaputa hua whakakapi-meta.
    Ka whakamahia te waikawa Benzoic hei rongoa, hei rongoa ranei. Ka whai hua te aukati i te tipu o te harore, te huakita, me te koriri. Ina whakamahia hei rongoa, ka whakamahia ki te kiri hei rongoa i nga mate kiri penei i te kutukutu. Ka whakamahia i roto i te muka waihanga, te kapia, te paninga, te rapa, me te ahumahi tupeka. I te timatanga, i puta te waikawa benzoic ma te whakangao i te kapia benzoin, te hauwai ranei o te pukapuka matū ki te wai kawakore. Ka taea hoki te whakaputa ma te hydrolysis o te waikawa hippuric. I roto i te ahumahi, ka puta te waikawa benzoic na roto i te waikura hau o toluene i te aroaro o nga whakakorikori penei i te cobalt me ​​te manganese; ka puta mai ranei ma te hauwai me te decarboxylation o te phthalic anhydride. Ko te waikawa Benzoic me tona tote konutai ka taea te whakamahi hei rongoa patu patupatu i roto i te taherapa, te toothpaste, te tami me etahi atu kai, ka taea hoki te whakamahi hei mordants mo te tae me te ta.
  • Ethyl N-acetyl-N-butyl-β-alaninate CAS:52304-36-6

    Ethyl N-acetyl-N-butyl-β-alaninate CAS:52304-36-6

    Ko te BAAPE he whaanui-a-whaanui, he tino whai hua hei patu i nga namu, he kutu, he popokorua, he waeroa, he kaokao, he mokowhiti, he gadflies, he puruhi papatahi, he puruhe kirikiri, he kirikiri kirikiri, he namu, he cicadas, me etahi atu. he roa tona awenga aahore ka taea te whakamahi i nga ahuatanga o te rangi. He tino matū i raro i nga tikanga o te whakamahinga, he nui te pumau o te waiariki me te kaha o te werawera. He pai te hototahi o te BAAPE me nga mea whakapaipai me nga rongoa. Ka taea te hanga hei otinga, whakaehunga, hinu hinu, paninga, gels, aerosols, mosquito coils, microcapsules me etahi atu rongoa rongoa motuhake, ka taea hoki te taapiri atu ki etahi atu hua. I roto ranei i nga taonga (pēnei i te wai wharepaku, te wai whakaahuru waeroa), kia whai hua ai.
    He pai nga painga o te BAAPE ki te kore he paanga paitini ki te kiri me nga kiriuhi mucous, kaore he mate mate, me te kore e uru ki te kiri.

    Ngā Āhuatanga: He wai pūataata kore tae ki te kōwhai kōwhai, he tino pai te patu waeroa. Ki te whakatauritea ki te rongoa namu (DEET, e mohiotia ana ko DEET), kei a ia nga ahuatanga whakahirahira o te paitini iti, te iti o te irirangi, me te roa o te wa whakaora. , he hua whakakapi pai mo nga repellent waeroa.
    He iti ake te whai hua o te aukati wai-wairewa (BAAPE) i te DEET tuku iho ki te turaki namu. Engari, ki te whakataurite, he iti ake te riri o DEET (IR3535) me te kore e uru ki te kiri.
  • 2-Methoxyethanol CAS 109-86-4

    2-Methoxyethanol CAS 109-86-4

    Ko te ethylene glycol monomethyl ether (whakapotohia hei MOE), e mohiotia ana ko te ethylene glycol methyl ether, he wai kore tae me te marama, ka uru ki te wai, te waipiro, te waikawa acetic, te acetone me te DMF. Hei whakarewa nui, ka whakamahia nuitia a MOE hei whakarewa mo nga momo hinu, cellulose acetates, cellulose nitrates, waikano wairewa-wairewa me te kapia waihanga.
    Ka puta mai i te tauhohenga o te ethylene oxide me te methanol. Taapirihia te methanol ki te riipene etero trifluoride boron, ka tukuna ki te ethylene oxide i te 25-30°C i te wa e korikori ana. I muri i te otinga o te waahanga, ka piki aunoa te pāmahana ki te 38-45°C. Ka tukuna te otinga tauhohenga ki te pāhare pāporo hydrocyanide- Whakakorehia te wairewa methanol ki te pH=8-Chemicalbook9. Whakaorangia te mewaro, whakamarohia, ka kohia nga hautau i mua i te 130°C kia whiwhi ai i te hua parakore. Na ka mahi i te whakamaarama hautanga, ka kohia te hautanga 123-125°C hei hua kua oti. I roto i nga mahi ahumahi, ka tauhohehia te ethylene oxide me te methanol anhydrous i te teitei o te pāmahana me te pehanga kaore he whakakorikori, ka taea te whiwhi hua hua nui.
    Ka whakamahia tenei hua hei whakarewa mo nga momo hinu, te lignin, te nitrocellulose, te acetate cellulose, te waikano wairewa-wairewa me te kapia waihanga; hei reagent mo te whakatau i te rino, te sulfate me te waro disulfide, hei waimeha mo nga paninga, mo te cellophane. I roto i te takai takai, tere-maroke varnishes me enamels. Ka taea hoki te whakamahi hei kaihoko whakauru me te kaiwhakatairite i roto i te ahumahi tae, hei peera me te whakamarama. Hei takawaenga i roto i te hanga o nga pūhui waro, ko te ethylene glycol monomethyl ether te nuinga e whakamahia ana i roto i te whakahiato o te acetate me te ethylene glycol dimethyl ether. He rauemi mata ano hoki mo te hanga i te bis(2-methoxyethyl)phthalate plasticizer. Ko te ranunga o te ethylene glycol monomethyl ether me te glycerin (ether: glycerin = 98:2) he taapiri wahie jet hoia ka taea te aukati i te hukapapa me te waikura huakita. I te wa e whakamahia ana te ethylene glycol monomethyl ether hei kaihoko whakaahuru wahie jet, ko te nui o te taapiri he 0.15% ± 0.05%. He pai te hydrophilicity. Ka whakamahia e ia tana ake roopu hydroxyl i roto i te wahie hei pahekoheko me te maha o nga ngota ngota wai i roto i te hinu. Ko te hanganga o te hononga here hauwai, me te iti rawa o te mīti, ka whakaheke i te ira mīti o te wai i roto i te hinu, ka rere te wai ki te hukapapa. Ko te Ethylene glycol monomethyl ether he taapiri anti-microbial.
  • 1,4-Butanediol diglycidyl ether CAS 2425-79-8

    1,4-Butanediol diglycidyl ether CAS 2425-79-8

    Ko te 1,4-Butanediol glycidyl ether, e mohiotia ana ko te 1,4-butanediol dialkyl ether ko BDG ranei, he puhui waro. He wai kore tae ki te marama kowhai me te iti te pähekeheke. He wairewa i roto i te nuinga o nga whakarewa pararopi penei i te waihano, te methanol me te dimethylformamide. Ka whakamahia noa hei rauemi mata matū me te whakarewa. Ka whakamahia ano hei whakapumau mo nga waikano me nga poaka.
    Ko te 1,4-Butanediol glycidyl ether ka taea te whakaputa ma te esterification o te 1,4-butanediol me te methanol me te wairewa methanol. Ko nga tikanga tauhohenga ka mahia i raro i te pehanga teitei me te aroaro o te whakakorikori.
    I te wa e whakamahi ana i te 1,4-butanediol glycidyl ether, me tupato kia kore e pa ki te kiri me nga kanohi. I te wa e whakamahia ana me te rokiroki, me karohia nga wera nui me nga puna ahi. Me aro nui ki te hiri o nga ipu rokiroki hei aukati i te whakaetonga me te turuturu.
  • Diethanolamine CAS: 111-42-2

    Diethanolamine CAS: 111-42-2

    Ethanolamine EA Ko te hua tino nui i roto i te waihā, tae atu ki te monoethanolamine MEA, diethanolamine DEA me te triethanolamine TEA. Ko te Ethanolamine he takawaenga pararopi nui, e whakamahia nuitia ana i roto i te surfactants, te horoi waihanga, te petrochemical additives, synthetic resin me te rapa plasticizers, accelerators, vulcanizing agents and foaming agents, me te horoi hau, wai antifreeze, Taa me te tae, rongoa, pesticides, hanga. , ahumahi hoia me etahi atu mara. Ko nga hua o raro o te ethanolamine he takawaenga matū tino pai.
    Ko te Diethanolamine, e mohiotia ana ko bishydroxyethylamine me te 2,2′-iminobisethanol, he karaihe ma, he wai kore tae ranei me te kaha o te hygroscopicity. He ngawari te whakarewa ki te wai, te mewaro, te waihano, te acetone me te benzene. Ko tona memehatanga (g/100g) i roto i te benzene i te 25°C he 4.2 me te ether he 0.8. Ko tana kaupapa ko: te horoi hau, ka taea te tango i nga hau waikawa Chemicalbook i roto i te hau, penei i te waro, te hauwai sulfide, te sulfur dioxide, me etahi atu. ka whakamahia hoki mo te whakaehunga. Nga kaihoko, whakahinuhinu, shampoos, thickeners, etc.; nga takawaenga whakahiato waro, ka whakamahia ki te whakaputa i nga taonga parapara, nga rongoa me nga matū o ia ra (pērā i te surfactant); te whakahiato o te morpholine.
    Ka whakamahia te Diethanolamine hei rauemi mata mo nga kaitarai i roto i te umanga rongoa. Ka whakamahia hei kaihoko whakawhiti i roto i te hanga o te pahuka polyurethane teitei. Ka konatunatua ki te triethanolamine hei horoi mo nga piston miihini rererangi. Ka tauhohe ki nga waikawa ngako ki te hanga alkyl alkyls. Kei te whakamahia ano hoki i roto i nga rauemi mata o te Synthetic pararopi, nga rauemi mata mo te Surfactants Chemicalbook me te waikawa hau absorbers, whakamahia rite thickeners me te pahuka i whakarerekē i roto i shampoos me hopi horoi marama, rite takawaenga i roto i te ahumahi kōtuitanga organic, me i roto i te ahumahi ho'oraa. Hei whakarewa, ka whakamahia nuitia i roto i te ahumahi horoi, te ahumahi whakapaipai, te ahuwhenua, te ahumahi hanga me te ahumahi whakarewa.