Cov Lus Qhia Yooj Yim
Siab huv 99% ethyltriphenylphosphonium bromide (TPEPB) CAS 1530-32-1
| Melting taw tes | {{0 {}}℃(lit .) |
| Kub taw tes | 240ºC [ntawm 101 325 pa] |
| ceev | 1.38 [ntawm 20ºC] |
| vapor siab | 0-0.1 pa ntawm {{1} ºC |
| Fp | 200 degree |
| Cia temp . | Inert huab cua, chav tsev kub |
| so | 174g / l soluble |
| puab | Crystalline hmoov |
| xim | Dawb rau off-dawb |
| Dej solubility | 120 g/L (23 ºC) |
| Hnov tau | HYGROSCOPIC |
|
Yam |
Kev qhia tshwj xeeb |
|
Kev tshwm sim |
Dawb rau yuav luag dawb siv lead |
|
Lam xav |
Ntau dua los yog sib npaug rau 99% |
|
Poob rau ziab |
Tsawg dua los yog sib npaug rau 0.5% |
|
Daim ntawv thov |
Ion ua ke reagent, theem hloov catalyst |
Cov khoom lag luam
Kev Siv Lub Ethyl Triphenyl Phosphonium bromide (TPEPB):
1.In Organic Synthesis: Ethyltriphenylphosphonium bromide is a key reagent in Wittig reactions, facilitating the formation of carbon-carbon double bonds and used to prepare a variety of olefin compounds. It's also an important synthetic intermediate for a range of organic compounds like aromatic compounds, amines, and alcohols, and is kev koom tes nyob rau hauv synthesis ntawm qee cov ntaub ntawv polymer thiab ua kua crystal ntaub ntawv {}}
2. Raws li theem hloov catalyst: TPEPB muaj peev xwm hloov pauv ntawm cov sib txawv ntawm cov sib txawv thiab kev ua tau zoo.
3.} hauv cov khoom tshawb fawb: Ethyltriphenyfphosphonium bromide yog siv nyob rau hauv kev npaj tshiab cov ntaub ntawv thiab cov organic cov ntaub ntawv nrog zoo hluav taws xob conduction.
{{04. hauv surfactant synthesis: TPPB yog qhov tseem ceeb hauv kev tsim cov surfactants nrog tshwj xeeb cov haujlwm {}}
5.}} hauv cov tshuaj siv hluav taws xob: nws yog siv los txhim kho lawv cov khoom siv hluav taws xob tshwj xeeb rau kev tsim khoom siv hluav taws xob thiab cov khoom ntxiv hauv cov photoresists.
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1: Nqe - kev sib tw thiab tus nqi tsim nyog
2: Kev pab cuam tom qab muag - txuag tau thiab txhim khu kev qha tom qab muag
3: Tshwj xeeb, muaj kev nyab xeeb thiab xa khoom ceev
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Tuam txhab tau
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Peb ib txwm ua peb txoj kev xav tau zoo tshaj plaws thiab pheej yig tshaj plaws rau cov neeg siv khoom kom tau txais kev txiav txim {}}
Thiab ua raws nrog cov neeg siv khoom ntawm email rau txhua cov ntaub ntawv xa khoom ntxiv nrog rau cov ntaub ntawv khiav tshiab kom tsis muaj kev puas tsuaj .
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Koj yuav tswj tau qhov zoo li cas? Yuav ua li cas kom paub meej tias cov khoom lag luam zoo?
1. Koj tuaj yeem tau txais cov qauv dawb rau qee cov khoom lag luam, tsuas yog yuav tsum tau them tus nqi thauj khoom {}}
2. Peb muaj peb tus Kheej Tswjhwm Tswjhwm Zoo uas yuav muab cov ntaub ntawv tswj hwm zoo ua ntej ua zaub mov xa tuaj ua ntej xa tawm}
{{03. Peb tuaj yeem txais kev soj ntsuam thib peb .
Ntev npaum li cas lub sij hawm txhuas, thiab koj yuav tsum xa li cas rau peb?
Peb yuav npaj xa khoom tsis pub dhau {{}}}}}}}}}}} Cov khoom xa tuaj yeem xa tuaj rau koj tam sim no.
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Los ntawm huab cua, los ntawm hiav txwv {.} By Express: DHL, FedEx, UPS, SMS, thiab yog li ntawm {1}.
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Yog . Koj cov kev cai rau lub logo, tus qauv, pob, thiab lwm tus .
Cim npe nrov: Kev Purity High 99% Ethyltripheny Bromide (TPepb) Cas {}}}}}} Cov chaw tsim khoom, cov chaw tsim khoom, chaw tsim khoom