I-tert-Butyl Acetoacetate (TBAA)

I-tert-Butyl Acetoacetate, eyaziwa nangokuthi i-TBAA, i-organic ester enenombolo ye-CAS 1694-31-1. Lolu ketshezi olucacile olungenambala ukuya kokuphuzi okuphaphathekile noma oluphuzi kancane lufaka iphunga elimnandi futhi lubonakala ngesakhiwo salo se-β-ketoester, esivumela ukusebenza kabusha okuyingqayizivele. Incibilika kancane emanzini kodwa incibilika kakhulu kuzincibilikisi zemvelo njengexylene.

I-TBAA ivinjwe kakhulu kune-methyl noma i-ethyl acetoacetate analogs, ivamise ukuhlinzeka ngokusebenza kabusha okuphezulu nokukhetha ku-transacetoacetylation nokunye ukuguqulwa kokwenziwa.

I-tert-Butyl Acetoacetate (TBAA), i-β-ketoester esebenza ngezindlela eziningi esetshenziswa kabanzi njengengxenye eyinhloko ekuhlanganiseni kwe-organic, imithi, amakhemikhali ezolimo, kanye nezingubo zokumboza.

Imininingwane Yezobuchwepheshe

IZINTO	IMICIMBI
Ukubukeka	Uketshezi olucacile olungenambala
Ubumsulwa	≥99.0%
I-Acidity	≤0.2%

Ukupakisha & Isitoreji

• Isisindo seNet 200kgs sigubhu noma sipakishwe kuma-IBC.

• Gcina endaweni epholile, eyomile, enomoya omuhle, kude nemithombo yokuthungela kanye nezinto ezingahambelani. Gcina isitsha sivalwe ngokuqinile futhi sivikelekile ekukhanyeni.

Izinzuzo kanye Nezakhiwo Ezibalulekile ze-tert-Butyl Acetoacetate (TBAA)

I-ejenti ephezulu ye-acetoacetylating:

Yethula kahle amaqembu e-acetoacetyl abe yi-alcohol, ama-amine, nama-hydroxyl-bearing resins anesivuno esiphezulu.

Izimo zokusabela ezimaphakathi:

I-tert-butyl ester ivumela ukususwa kalula kweqembu elivikelayo nge-acid catalysis ethambile noma i-thermal decarboxylation, iyenze ilungele ukuhlanganiswa kwe-molecule eyinkimbinkimbi.

Ukusebenza Okuhlukahlukene:

Isetshenziswa ekulungiseleleni ama-acyloins, i-α, i-β-unsaturated ketones, i-levulinic esters, nokuningi.

Ukuzinza Okuphezulu:

Umswakama ophansi kanye namazinga e-acidity aqinisekisa ukusebenza okungaguquki ekuphenduleni okubucayi.

Izinzuzo zezimboni:

Ibiza kakhulu, kulula ukuyigcina, futhi ihambisana nezinhlelo ezahlukahlukene ze-resin kufaka phakathi ama-polyester, ama-acrylics, ama-cellulosics, nama-epoxies.

Izicelo kanye nokusetshenziswa kwe-tert-Butyl Acetoacetate (TBAA)

I-TBAA isebenza njengesakhiwo esibalulekile kuzo zonke izimboni eziningi:

I-Pharmaceutical and Fine Chemical Synthesis

• Ukhiye omaphakathi wezithako zemithi ezisebenzayo (ama-API) kanye nabaphakathi kwezemithi.

• Isetshenziswa ekuhlanganiseni ama-heterocycles, ama-pigments, nezinhlanganisela ezikhethekile ze-organic.

Imboni Yezolimo

• Izinto ezisetshenziswayo zokukhiqizwa kwe-agrochemical actives kanye ne-intermediates.

Ama-coatings nama-Resins

• I-acetoacetylates i-hydroxyl-bearing resins (ama-polyester, ama-acrylics, ama-cellulosics, ama-epoxies) ukuze kuthuthukiswe ukuphambana, ukunamathela, nokusebenza kwezingubo zekhwalithi ephezulu.

I-Organic Synthesis

• I-reagent ye-acyloin synthesis, ukulungiswa kwe-α, β-unsaturated ketones, kanye ne-transacetoacetylation yama-polyols.

• Ibhulokhi yokwakha yezengezo zikaMichael nokunye ukusabela okwenza ibhondi ye-carbon-carbon.

Imibuzo Evame Ukubuzwa (FAQs)

Q: Ingabe i-tert-Butyl Acetoacetate (TBAA) ilungele ukuhlanganiswa kwemithi?

A: Yebo, i-TBAA isetshenziswa kabanzi njengendawo ehlanzekile ephezulu ekukhiqizeni imithi kanye nokukhiqizwa kwamakhemikhali amahle.

Q: I-TBAA iqhathaniswa kanjani ne-ethyl acetoacetate noma i-methyl acetoacetate?

A: I-TBAA inikeza isithiyo esikhulu esiqinile, ngokuvamile esiholela ekukhetheni okuthuthukisiwe kanye nokusebenza kabusha kokunye ukusabela kwe-acetoacetylation, kanye nokususwa okulula kweqembu le-tert-butyl.

Q: Yiziphi izinhlelo zokusebenza eziyinhloko zezimboni ze-TBAA?

A: Ukusetshenziswa okuyinhloko kufaka phakathi i-acetoacetylation yama-resin wezingubo zokumboza, ukuhlanganiswa kwemithi ne-agrochemical intermediates, kanye nokusabela okuvamile kokuhlanganiswa kwe-organic.

Q: Kufanele igcinwe kanjani i-TBAA?

IMP: Gcina endaweni epholile, eyomile, enomoya omuhle kude nemithombo yokuthungela, ama-oxidizer aqinile, nezisekelo. Gcina iziqukathi zivalwe ngokuqinile.

Q: Ingabe i-TBAA iyingozi?

A: Iwuketshezi oluvuthayo. Sebenzisa okokuvikela okujwayelekile futhi ugweme ukuchayeka ekushiseni noma emalangabini avulekile.

Xhumana nathi

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