Palladium (II) acetylacetonate, raws li paub zoo li Bis(2,4-pentanedionato-O,O')palladium(II), molecular mis C10H14O4Pd, CAS 14024-61-4, yog cov hmoov daj daj ntawm chav tsev kub thiab siab, nrog cov xim tsis sib xws thiab tsis muaj qhov pom tseeb impurities. Tsawg volatility, tsis yooj yim rau spontaneously evaporate los yog sublime nyob rau hauv chav tsev kub. Soluble nyob rau hauv ntau yam organic solvents xws li benzene, toluene, dichloromethane, chloroform, thiab lwm yam. Cov kuab tshuaj no feem ntau siv rau lawv cov synthesis, purification, thiab hnyav xaiv nyob rau hauv catalytic tshua. Insoluble nyob rau hauv dej thiab tsis muaj tshuaj lom neeg cov tshuaj tiv thaiv nrog dej nyob rau hauv nruab nrab tej yam kev mob, exhibiting zoo tshuaj stability. Cov cuab yeej no ua rau nws muaj txiaj ntsig tshwj xeeb hauv cov tshuaj tiv thaiv catalytic uas yuav tsum tau zam ntawm cov tshuaj tiv thaiv dej. Nws yog ib qho tseem ceeb hlau palladium catalyst nrog dav siv nyob rau hauv cov organic synthesis, kev tsim tshuaj, thiab cov ntaub ntawv science.
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Tshuaj Formula |
C20H15N4NaO6S2 |
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Exact Mass |
492.02 |
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Molecular Luj |
492.46 |
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m/z |
92.02 (100.0%), 493.02 (21.6%), 494.01 (9.0%), 494.02 (2.2%), 495.02 (2.0%), 493.02 (1.6%), 493.01 (1.5%), 494.02 (1.2%) |
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Elemental Analysis |
C, 48,78; H, 2,66; N, 11,38; nce 4,67; O, 19.49; Nws. S, 13.02 Nws |
Palladium (II) acetylacetonate(cov tshuaj formula C10H16O4Pd), tseem hu ua diacetylacetonate palladium, yog ib qho tseem ceeb organic compound nrog dav siv nyob rau hauv ntau yam teb.
Hauv thaj chaw ntawm cov organic synthesis, di (acetylacetonate) palladium (II) yog siv dav tshaj plaws. Raws li cov catalyst muaj txiaj ntsig, nws tuaj yeem ua rau muaj ntau yam kev hloov pauv ntawm cov organic, uas muab cov txiaj ntsig zoo rau kev sib txuas cov organic sib txuas thiab txhawb kev txhim kho cov organic synthesis chemistry.
(1) Hydrogenation tshuaj tiv thaiv
Muaj peev xwm catalyzing hydrogenation cov tshuaj tiv thaiv ntawm olefins thiab aromatic compounds. Hydrogenation cov tshuaj tiv thaiv yog ib yam tseem ceeb ntawm cov tshuaj tiv thaiv hauv cov organic chemistry. Los ntawm kev qhia txog hydrogen atoms, cov qauv thiab cov khoom ntawm cov organic molecules tuaj yeem hloov pauv, uas ua rau tsim cov organic tebchaw tshiab. Piv txwv li, olefins tuaj yeem ua rau muaj kev cuam tshuam ntxiv nrog hydrogen gas hauv qab catalysis ntawm palladium (II) acetylacetonate los tsim alkanes.
(2) Ua kom muaj Inert C-H Bonds
Hauv cov organic molecules, C-H daim ntawv cog lus yog qhov ruaj khov thiab nyuaj rau qhib cov ntawv cog lus tshuaj. Txawm li cas los xij, nws tuaj yeem ua rau cov tshuaj tiv thaiv kev ua haujlwm ntawm inert C-H daim ntawv cog lus, ua rau lawv tawg nyob rau hauv cov xwm txheej tshwj xeeb thiab tsim cov ntawv cog lus tshiab. Qhov kev ua kom cov tshuaj tiv thaiv no muab txoj hauv kev tshiab thiab lub tswv yim rau cov organic synthesis.
(3) Hydrogen functionalization cov tshuaj tiv thaiv ntawm unsaturated bonds
Unsaturated bonds (xws li carbon carbon ob daim ntawv cog lus, carbon carbon triple bonds, thiab lwm yam) yog cov pab pawg ua haujlwm zoo hauv cov organic molecules. Nws tuaj yeem ua rau cov tshuaj tiv thaiv hydrogen functionalization ntawm unsaturated bonds, ua rau cov unsaturated bonds mus ntxiv los yog txo cov tshuaj tiv thaiv nyob rau hauv qhov kev txiav txim ntawm hydrogen atoms, tsim cov organic tebchaw tshiab. Hom tshuaj tiv thaiv no muaj txiaj ntsig zoo hauv cov teb xws li tshuaj synthesis thiab kev npaj cov khoom siv.
Nyob rau hauv lub tshav pob ntawm cov tshuaj synthesis, nws kuj plays lub luag hauj lwm tseem ceeb. Nws muaj peev xwm catalyze cov synthesis cov tshuaj tiv thaiv ntawm ntau yam tshuaj intermediates, txhim kho efficiency thiab tawm los ntawm cov tshuaj synthesis. Lub caij no, nws zoo heev catalytic selectivity thiab stability kuj xyuas kom meej lub purity thiab kev ua ntawm cov tshuaj molecules.
(1) Synthesis ntawm catalytic tshuaj intermediates
Kev sib xyaw ntawm cov tshuaj intermediates yog ib kauj ruam tseem ceeb hauv kev txhim kho tshuaj. Raws li ib tug catalyst, nws muaj peev xwm ua kom lub synthesis cov tshuaj tiv thaiv ntawm cov tshuaj intermediates, txhim kho cov tshuaj tiv thaiv tus nqi thiab tawm los. Piv txwv li, nyob rau hauv kev sib txuas ntawm qee yam tshuaj tua kab mob, cov kauj ruam tseem ceeb tuaj yeem ua rau kom tau txais qib siab -purity tshuaj intermediates.
(2) Txhim kho qhov purity thiab kev ua haujlwm ntawm cov tshuaj molecules
Qhov purity thiab kev ua ntawm cov tshuaj molecules yog cov cim tseem ceeb rau kev ntsuas tshuaj zoo. Raws li ib tug catalyst, nws muaj peev xwm tswj tau siab catalytic selectivity thiab stability nyob rau hauv tus txheej txheem ntawm catalyzing tshuaj synthesis tshuaj, yog li xyuas kom meej lub purity thiab kev ua ntawm cov tshuaj molecules. Qhov no yog qhov tseem ceeb heev rau kev txhim kho qhov zoo thiab kev ua tau zoo ntawm cov tshuaj.
Hauv kev tshawb fawb cov ntaub ntawv, nws yog siv los npaj nanomaterials thiab cov khoom sib xyaw nrog cov khoom tshwj xeeb. Cov ntaub ntawv no muaj kev thov dav dav hauv kev lag luam xws li electronics, optics, catalysis, thiab lwm yam, muab kev txhawb zog rau kev tshawb fawb thiab kev siv cov ntaub ntawv tshiab.
(1) Kev npaj ntawm nanomaterials
Nanomaterials yog cov khoom siv tshwj xeeb ntawm lub cev thiab tshuaj lom neeg. Nws tuaj yeem siv los ua tus thawj coj lossis catalyst rau kev npaj ntawm ntau yam nanomaterials. Piv txwv li, palladium nanoparticles nrog kev ua haujlwm siab catalytic tuaj yeem tau txais los ntawm pyrolyzing lub precursor ntawmpalladium (II) acetylacetonate. Cov nanoparticles no muaj cov nqi siv dav hauv cov tshuaj tiv thaiv catalytic, sensors, roj hlwb, thiab lwm yam.
(2) Kev npaj cov khoom sib xyaw
Cov ntaub ntawv sib xyaw yog cov khoom siv nrog cov khoom tshiab uas muaj ob lossis ntau dua cov ntaub ntawv nrog cov khoom sib txawv. Nws tuaj yeem siv los ua ib qho ntxiv lossis catalyst los npaj ntau yam khoom sib xyaw. Piv txwv li, ntxiv di (acetylacetonate) palladium (II) mus rau lub polymer matrix tuaj yeem ua rau cov khoom siv polymer nrog kev ua tau zoo catalytic. Cov ntaub ntawv sib xyaw no muaj kev siv dav dav hauv thaj chaw xws li kev tiv thaiv ib puag ncig thiab kev kho dej.
Ntxiv nrog rau cov teb uas tau hais tseg lawm, nws tseem muaj kev siv dav hauv lwm qhov chaw.
(1) Cov tshuaj tiv thaiv Carbonylation
Cov tshuaj tiv thaiv Carbonylation yog ib yam tseem ceeb ntawm cov tshuaj lom neeg cov tshuaj tiv thaiv, uas tuaj yeem hloov cov qauv thiab cov khoom ntawm cov organic molecules los ntawm kev qhia txog carbonyl (C=O) pawg ua haujlwm. Muaj peev xwm catalyze ntau yam kev cuam tshuam carbonylation, xws li carbonylation ntawm olefins, carbonylation ntawm aromatic compounds, thiab lwm yam. Cov tshuaj tiv thaiv no muab txoj hauv kev tshiab thiab cov tswv yim rau kev sib txuas cov organic complex.
(2) Oligomerization cov tshuaj tiv thaiv
Oligomerization cov tshuaj tiv thaiv yog hais txog cov txheej txheem ntawm kev sib txuas me me molecule tebchaw rau hauv cov molecules loj dua los ntawm cov khoom siv tshuaj. Nws tuaj yeem ua rau muaj ntau yam kev cuam tshuam oligomerization, xws li oligomerization ntawm olefins thiab cov tshuaj tsw qab. Cov tshuaj tiv thaiv no muaj txiaj ntsig zoo hauv kev sib xyaw ntawm cov ntaub ntawv polymer, polymers, thiab lwm yam.
(3) Catalyst cab kuj
Nws kuj tseem tuaj yeem siv los ua cov khoom thauj khoom catalyst los npaj cov catalysts nrog kev ua haujlwm zoo catalytic. Piv txwv li, los ntawm kev thauj khoom di (acetylacetonate) palladium (II) mus rau hauv cov cab kuj, cov khoom siv hluav taws xob uas muaj kev ua haujlwm siab catalytic thiab ruaj khov tuaj yeem tau txais. Cov catalysts no muaj kev siv dav dav hauv kev lag luam xws li tshuaj lom neeg engineering thiab kev tiv thaiv ib puag ncig.
(4) Electrochemical kev siv
Nws kuj muaj ntau yam kev siv hauv thaj tsam ntawm electrochemistry. Piv txwv li, nws tuaj yeem siv los ua electrocatalyst hauv cov khoom siv hluav taws xob xws li roj hlwb thiab cov hlwb electrolytic. Tsis tas li ntawd, nws tseem tuaj yeem siv los ua cov khoom siv rhiab hauv electrochemical sensors rau kev kuaj xyuas ntau yam tshuaj lom neeg.
Hauv cov ntsiab lus, di (acetylacetonate) palladium (II), uas yog ib qho tseem ceeb ntawm cov organic compound, muaj kev siv dav hauv cov teb xws li organic synthesis, kev tsim tshuaj, thiab cov ntaub ntawv tshawb fawb. Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis thiab kev xav tau ntau ntxiv rau cov ntaub ntawv tshiab thiab tshuaj, daim ntawv thov teb ntawm di (acetylacetonate) palladium (II) yuav dhau los ua ntau dua. Nyob rau hauv lub neej yav tom ntej, peb tuaj yeem tos ntsoov pom qhov muaj di (acetylacetonate) palladium (II) nyob rau hauv ntau qhov chaw, ua kom muaj kev koom tes ntau dua rau tib neeg kev vam meej thiab kev loj hlob ntawm kev sib raug zoo.
Nyob rau tib lub sijhawm, peb kuj yuav tsum tau ua tib zoo saib xyuas cov teeb meem uas yuav tshwm sim thiab cov teeb meem hauv cov txheej txheem synthesis thiab preservation ntawm di (acetylacetonate) palladium (II). Piv txwv li, nws yog ib qho tsim nyog los tshawb nrhiav kev ua kom muaj txiaj ntsig zoo thiab ib puag ncig zoo rau kev sib txuas los txhim kho cov txiaj ntsig thiab purity ntawm cov khoom; Ntau qhov chaw cia khoom ruaj khov yuav tsum tau kawm kom txuas ntxiv cov khoom lag luam lub neej thiab tswj nws cov haujlwm catalytic. Tsis tas li ntawd, nws yog ib qho tsim nyog los ntxiv dag zog rau kev ntsuas tshuaj lom thiab kev tshawb fawb txog kev nyab xeeb ntawm nws kom ntseeg tau tias nws muaj kev nyab xeeb thiab kev ntseeg siab hauv cov txheej txheem thov.
Cov txheej txheem synthesis ntawmPalladium (II) acetylacetonatefeem ntau suav nrog cov hauv qab no:
Kauj ruam Txheej txheem cej luam
Soluble poov tshuaj los yog sodium ntsev thiab soluble palladium ntsev nyob rau hauv dej deionized ntawm qhov kub me ntsis.
Nyob rau hauv qhov kev txiav txim ntawm muaj zog alkali, palladium ntsev yog hloov mus rau hauv Pd (OH) 2.
Ncaj qha ntxiv acetylacetone rau cov tshuaj tiv thaiv sib xyaw uas muaj Pd (OH) 2, lub - nquag H atom hauv acetylacetone molecule undergoes neutralization cov tshuaj tiv thaiv nrog Pd (OH) 2 los tsim di (acetylacetone) palladium (II).
qhov zoo
Cov tshuaj tiv thaiv me me thiab cov txheej txheem yooj yim.
Cov khoom lag luam siab thiab purity feem ntau yog siv hauv kev tsim khoom.
Kauj ruam Txheej txheem cej luam
Sib tov acetylacetone nrog ntau tshaj palladium (II) oxidant (xws li palladium (II) peroxide).
Ntxiv cov kuab tshuaj (xws li dej thiab ethanol) kom yaj tag.
Tom qab reacting ntawm chav tsev kub rau 12 teev, di (acetylacetonate) palladium (II) crystals tuaj yeem tau.
Kauj ruam Txheej txheem cej luam
Sib tov acetylacetone nrog palladium (II) oxidant (xws li palladium (II) peroxide).
Ntxiv cov catalyst (xws li diphenylpalladium (II) sulfate los yog ethanol) kom yaj tag.
Tom qab 6-8 teev ntawm cov tshuaj tiv thaiv ntawm chav tsev kub, di (acetylacetonate) palladium (II) muaju tuaj yeem tau.
Kauj ruam Txheej txheem cej luam
Sib tov acetylacetone nrog palladium (II) oxidant (xws li palladium (II) peroxide).
Ntxiv cov catalyst (xws li ethanol) kom yaj tag.
Tom qab 6-8 teev ntawm cov tshuaj tiv thaiv ntawm chav tsev kub, di (acetylacetonate) palladium (II) muaju tuaj yeem tau.
Ntxiv rau cov txheej txheem saum toj no, di (acetylacetonate) palladium (II) kuj tuaj yeem ua ke los ntawm lwm txoj hauv kev, xws li:
Tshem tawm palladium dichloride hauv dej kub thiab ntxiv acetylacetone neutralized nrog KOH los ua xim av precipitate uas tig daj. Txuas ntxiv ntxiv neutralized acetylacetone, sau cov daj precipitate, qhuav thiab recrystallize nyob rau hauv benzene kom tau txais daj koob zoo li crystals ntawm di (acetylacetone) palladium (II).
Noj ib qho concentration ntawm NaOH tov thiab ntxiv ib qho kev tov sib xyaw uas muaj acetylacetone thiab ib qho concentration ntawm Na2 [PdCl4] tov thaum stirring. Cov tshuaj tiv thaiv ua rau daj precipitate, uas yog lim thiab ntxuav. Dissolve cov hmoov daj nyob rau hauv dichloromethane thiab lim kom tshem tawm ib tug me me ntawm insoluble tshuaj. Cov filtrate tuaj yeem raug evaporated ntawm chav tsev kub kom tshem tawm cov kuab tshuaj thiab tau txais cov kua qaub ntawm di (acetylacetonate) palladium (II).
Cov txheej txheem no txhua tus muaj lawv tus kheej cov yam ntxwv, thiab cov txheej txheem tsim nyog tuaj yeem raug xaiv rau kev sib xyaw ua ke raws li cov kev xav tau tshwj xeeb thiab kev sim. Lub caij no, nws yuav tsum tau them sai sai rau kev tswj cov tshuaj tiv thaiv thaum lub sij hawm tsim cov txheej txheem, xws li kub, hnyav xaiv, tshuaj tiv thaiv lub sij hawm, thiab lwm yam, kom ntseeg tau tias qhov zoo thiab yield ntawm cov khoom.
FAQ
palladium II bis acetylacetonate yog dab tsi?
Palladium (II) bis (acetylacetonate) yog ib qho sib xyaw nrog cov misPd (C5H7O2)2. Cov khoom daj no yog cov feem ntau palladium complex ntawm acetylacetonate. Cov khoom sib xyaw no yog muag thiab siv los ua cov catalyst precursor hauv organic synthesis. Lub molecule yog tus qauv zoo nrog D2hsymmetry.
Pd OAc 2 ua dab tsi?
Palladium (II) acetate yog cov tshuaj sib xyaw ntawm palladium piav qhia los ntawm cov mis [Pd(O)2CCH3)2]n, abbreviated [Pd(OAc)2]n. Nws yog reactive ntau dua li cov analogous platinum compound. Nyob ntawm tus nqi ntawm n, lub compound yog soluble nyob rau hauv ntau cov organic solvents thiab yogfeem ntau yog siv los ua ib qho catalyst rau cov tshuaj tiv thaiv organic.
Acetylacetone siv rau dab tsi?
Acetylacetone yog ntau yam tshuaj siv nyob rau hauv cov organic synthesis, tshwj xeeb tshaj yog ua lub tsev thaiv rau cov kws tshuaj thiab agrochemicals. Nws kuj yog dav siv los ua tus neeg sawv cev chelating los tsim cov hlau complexes siv los ua catalysts, stabilizers, thiab additives hauv fuels, lubricants, thiab coatings. Lwm daim ntawv thov suav nrog nws siv los ua cov kuab tshuaj thiab hauv kev tsim cov pigments, fragrances, thiab tej yam yas
Kev siv palladium acetate yog dab tsi?
Palladium acetate (Pd-acetate) yogib qho catalyst siv nyob rau hauv ntau ntau ntawm cov organic synthetic cov tshuaj tiv thaiv nyob rau hauv uas tsis yog -aqueous kuab tshuaj. Vim nws cov nqi siab thiab cov teeb meem toxicity/contamination hauv cov tshuaj tiv thaiv sib tov, Pd tshem tawm thiab rov qab yog qhov tseem ceeb.
Cim npe nrov: palladium(ii) acetylacetonate cas 14024-61-4, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom