Lithium aluminium hiamYog ib qho kev sib xyaw ua ke nrog cov tshuaj noj kua mis ntawm Lialh4, CAS 16853-85-3. Nws yog cov hmoov dawb huv, insoluble hauv hydrocarbons, soluble hauv tetrahydrofuran, thiab yuav luag tsis muaj kev sib xyaw ua ke thiab hydrocarbon tebchaw. Lithum Aluminium Hydride yog ruaj khov nyob rau hauv qhuav cua, thiab tsausmuag hydrolyzes nyob rau hauv huab cua noo, tso ntau npaum li cas H2 thiab hlawv. It can reduce ketones, aldehydes, acids, esters, anhydrides, quinones, etc. to alcohols, halogenated hydrocarbons to hydrocarbons, and nitriles to primary amines. Lithum Allom Hydride tau siv dav hauv cov tshuaj, tshuaj tua kab, cov txuj lom, tuag vim nws tus neeg sawv cev zoo, thiab yog siv los ua tus sawv cev rau lwm cov xwm txheej. Nyob rau tib lub sijhawm, Lithab Aluminium Hydride yuav tso ntau lub zog cua sov thaum hlawv, thiab nws kuj tseem siv los ua kev ntxiv rau cov cuaj luaj thiab tua cov tsheb.
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Peb tuaj yeem nkoj raws lub npe tiag tiag! Lithium Aluminium hydride, CAS 16853-85-3 HS code: 2850009090
Cov lus piav qhia rau lub npe tiag tiag shipping: |
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Tshuaj Cov Qauv |
Ib yam nkaus |
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Muaj pes tsawg leej |
38 |
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Molecular hnyav |
38 |
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m/z |
38 (100.0%), 37 (8.2%) |
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Kev Ntsuam Xyuas |
Al, 71.09; H, 10.62; Li, 18.29 |
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Kev tsom xam ntawm ntau yam kev siv ntawmLithium aluminium hiam: Los ntawm cov organic synthesis los txiav - ntug thev naus laus zis
Lithum Aluminium hydride (Lialh ₄), raws li lub tiaj dawb rau daj ntseg, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob tsis zoo, cov khoom siv hluav taws xob tsis zoo thiab cov tshuaj lom neeg. Kab lus no yuav pib los ntawm nws cov ntawv thov tseem ceeb, muab kev lag luam kev lag luam thiab txiav} ntug kev tshawb nrhiav cov xwm txheej sib txawv ntawm ib ncig.
Lithum Aluminium hydride yog ib qho tseem ceeb tshaj plaws txo cov neeg sawv cev hauv cov tshuaj chemistry, nrog kev txo qis dua qhov uas ntawm cov khoom qab zib zoo sib xws xws li sodium borohydride. Nws tuaj yeem txo ntau cov pa oxygen -}}}} muaj thiab nitrogen -} muaj cov pab pawg ua haujlwm ua haujlwm
Txo ntawm carbonyl tebchaw
Lithum aluminium hydride tuaj yeem txo aldehydes thiab ketones rau cov neeg muaj feem ntau thiab thib ob cov tshuaj tiv thaiv kev kub ntxhov), nrog ib qho tawm los ntawm ntau dua 90%. Piv txwv li, nyob rau hauv cov txheej txheem ntawm synthesizing cov tshuaj tiv thaiv cov tshuaj tiv thaiv cov tshuaj tiv thaiv cov tshuaj tiv thaiv kab mob sib khuav, muab cov pawg nquag rau cov kauj ruam tom ntej.
Kev txo qhov tob ntawm cov muag khoom thiab cov khoom siv
Kev txo cov neeg sawv cev ib txwm yog qhov nyuaj los txo cov kev siv tshuaj estrements, Thaum Lithum Aluminium Hydride tuaj yeem kov yeej cov pab pawg Esxias rov qab los ua cov cawv.
Thaum synthesizing analgesic ibuprofen, litej Aluminium hydride yog siv los txo cov pab pawg ester, yooj yim txoj kev, thiab txhim kho cov paib. Ib qho ntxiv, nws kuj tuaj yeem txo cov amines rau amines, muab cov cuab yeej tseem ceeb rau kev npaj cov amino acids thiab peptide compounds thiab peptide teb.
Kev ua haujlwm tshwj xeeb pab pawg hloov dua siab tshiab
Nitrile txo: hloov cov pab pawg nitrile rau hauv pawg amines rau cov synthesis ntawm antiepileptic tshuaj carbamazepine.
Halogenated hydrocarbon dehalogenation: hauv inert cov kuab tshuaj, ib ncig ua kua roj tuaj yeem tshem tawm halogen los ntawm Halogenated Hydrocarbons thiab tsim cov pa taws kub.
Txo ntawm Nitro cov tebchaw: txo cov ntxhiab tsw qab nitro compounds rau azo cov tebchaw rau kev zas xim ntxiv hauv synthesis.
Cov ntaub ntawv: Thaum synthesizing lub anti pab tshuaj antravirin, litum aluminium hydride, luv cov tshuaj tiv thaiv qib siab los ntawm 5 txog rau tag nrho cov txiaj ntsig los ntawm 25%.
Lithium Aluminium hydride yog tsis tsuas yog siv los ua cov khoom siv hluavtaws hauv cov khoom siv hluav taws xob hauv cov tshuaj tshawb fawb thiab kev txhim kho, tab sis nws txoj kev lom zem, tab sis nws cov tshuaj lom, tab sis nws txoj kev lom zem, tab sis nws txoj kev lom zem, tab sis nws cov tshuaj lom, tab sis nws txoj kev lom zem, tab sis nws txoj kev lom zem, tab sis nws cov tshuaj lom, tab sis nws cov tshuaj lom, yog tias nws cov tshuaj lom, yog tias nws cov tshuaj lom, tab sis nws cov tshuaj lom, feem ntau yuav tsum tau ua kom nruj:
Synthesis ntawm cov tshuaj intermediates
Cov tshuaj tua kab mob: hauv synthesis ntawm cepharosporin tshuaj tua kab mob, litum aluminium hydride siv los txo cov pab pawg Ester thiab tsim cov kev siv cawv ntau pawg.
Cov tshuaj antitumor: cov synthesis ntawm paclita sab saw sib tuav ntawm kev txo cov pab pawg ntawm Ketone Aluminium, kom ntseeg tau cov kev ua yeeb yam ntawm cov tshuaj thiab cov roj ntsha li microlot.
Kev tshawb nrhiav ntawm kev siv tshuaj ncaj qha
Kev Kho Mob Ceev: Lithum Aluminium hydride yuav neutralize plab zom mov (pH {{=1.5-3.5) thiab daws cov tsos mob ntawm pais plab. Tab sis nws muaj zog alkalinity (Pka ≈ 36) tuaj yeem ua rau mob raws plab, thiab nws tau hloov zuj zus los ntawm txhuas cov pa roj carbon monoxide yooj yim yog cov qauv kev coj ua.
Anti mob thiab analgesic: kev tshawb fawb tau qhia tias muaj kev cuam tshuam ib leeg ntawm 30%, tab sis nws tseem tsis tau nkag mus hauv chaw kuaj mob vim yog cov teeb meem lom.
Cov Lus Ceeb Toom Txog Kev Ruaj Ntseg: The LD ₅₀ (Tus Thawj Tswj Xyuas Kev Sib Luag) ntawm Lithum Aluminium Hydride yog 100 mg / kg, uas yog cov tshuaj lom. Lub hydrocysis khoom ua txhuas hydroxide tuaj yeem tso rau hauv lub hlwb ntaub so ntswg, ua rau cov ntawv thov tshuaj yuav tsum ua raws GMP cov qauv.
Lub teeb yuag thiab siab - lub zog cov khoom ntawm litum txhuas ua kom nws cov khoom tseem ceeb rau kev tsim khoom siab:
Rocket Evinfellant
Hlawv 1 kg ntawm litum tuaj yeem tso tawm 42998 KJ ntawm tshav kub, uas yog 20000 lub sij hawm uas ntawm cov thee. Lithum Aluminium hydride, raws li cov khoom muaj zog ntxiv, tuaj yeem nce cov impulse (los ntawm 250 s) thiab txo cov foob pob hluav taws. Ib co qauv ntawm Tuam Tshoj lub Peb Hlis Ntuj series foob pob ua ntxaij tau saws cov proposite uas muaj litum aluminium hydride.
Nuclear Reactor Tswj Qws
Lub Neutron Kev Ruaj Khov Hla ntu ntawm Lithum Aluminium hydride (σ =0.3}} bar) yog siv los tswj lub zog ntawm nuclear reactors. Kev tswj pas nrig ntawm EPR lub zog hluav taws xob cog qoob loo hauv Fabkis cov khoom siv kom ua tiav qhov ntsuas kub.
Satellite hydrogen cia rau lub zog khoom
Hauv cov kab ke tsawg dua orbit, lub lialum aluminium hydrogen cia kom system, nrog lub roj teeb lub neej peb zaug ntev dua li cov roj teeb lithum. Cov European Copernicus ib puag ncig ib puag ncig satellite tau siv cov thev naus laus zis no.
Qhov 'zais phom' ntawm kev lag luam catalysis thiab khoom hloov kho
Lub zog ua kom muaj zog thiab alkalinity ntawm txoj kab liatum aluminium ua rau nws catalyst lossis ntxiv rau ntau cov txheej txheem muaj
Catalyst rau polymerization cov tshuaj tiv thaiv
Hauv Butadiene polymerization, litum aluminium hydride yuav tswj tau molecular qhov hnyav faib ntawm 3.0 txog 1.5), txhim kho lub zog ntawm cov roj hmab. Tuam Tshoj Zhongce Roj Hmab Pab Pawg tau thov nws rau cov khoom tsim ntawm cov log high- Kev ua lag luam log tsheb, nce hnav tsis kam los ntawm 20%.
Hlau refining deoxidizer
Nyob rau hauv tooj liab smelting, ntxiv 0.001% lithum aluminium hydride tuaj yeem tshem tawm cov oxygen impurities (los ntawm 50% IAcs (International Analealed tooj liab tus qauv). Tom qab Jiangxi tooj liab pawg tau txais cov thev naus laus zis, tus nqi export kom nce ntxiv ntawm 92% rau 98%.
Cov Khoom Siv Khoom Sib Ntsuab Sintering Additive
Lithum aluminium hydride tuaj yeem txo cov sintering kub ntawm silicon nitride grainity kev loj hlob, nce bending bonded lub zog ntawm ceramics (nce bending bonded lub zog ntawm ceramics (nce bending bonding ntawm ceramics los ntawm 800 mpa rau 1200 mpa. Kyocera Cornation siv nws rau high-}} Tool ntau lawm, nthuav nws lub neej ua haujlwm los ntawm 50%.
Nrog thev naus laus zis thev naus laus zis, daim ntawv thov ntawm Lithum Aluminium hydride hauv cov teb tawm tshwm sim yog nthuav dav:
Quantum Cov Ntaub Ntawv Consuting
Lithum aluminium hydride nyias zaj duab xis tuaj yeem siv ua cov khoom siv subconducts rau supercondric custum tas li (ε ≈ 3) tuaj yeem txo cov paib kev poob. Cov IBM Quantum suav pab neeg pab neeg ua qhia pom tias cov khoom siv txuas ntxiv rau lub sijhawm sib thooj ntawm Quantum Bits rau 100 μ s.
3D luam tawm ntawm cov hlau hlau
Aluminium alloy hmoov coated nrog gratedc aluminium hydride (xws li alsi10mg) tuaj yeem ua rau lub laser melting (slip) cov txheej txheem tuaj yeem ncav cuag 99.9%. EOS, lub tuam txhab German, tau ua lag luam nws rau kev tsim khoom ntawm cov dav hlau cav tuaj.
Saj zawg zog hluav taws xob li
Lithium aluminium hydride thiab polydimethylsiloxane (PDMS) tuaj yeem siv los npaj cov elastomers (nrog kev ua haujlwm ntawm 10 s / m) rau hnav cov khoom siv ntaus hluav taws xob. Pab pawg samsung tau tsim los ntawm Samsung pab neeg hauv Kauslim Kauslim yog raws li cov khoom siv tsis kam ntawm 5% thaum lub tensile tus nqi nce mus txog 300%.
Los ntawm "Universal txo tus neeg sawv cev" ntawm cov khoom siv hluav taws xob hauv nruab nrog "Lithum Aluminium hydride txuas ntxiv mus tsav thev naus laus zis txuas nrog nws cov tshuaj lom neeg tshwj xeeb. In the future, with the improvement of green synthesis technology and safety protection system, its application boundaries will be further expanded, providing key support for human exploration of new energy, new materials, and high-end manufacturing fields. Txawm li cas los xij, nrhiav kev sib npaug ntawm kev ua tau zoo thiab kev nyab xeeb tseem yog cov tswv yim tseem ceeb hauv cov txheej txheem ntawm kev sib cav sib cav aluminium.
Cov tshuaj lom neeg ntawmLithium aluminium hiammuaj qhia hauv qab no:
Lithium Aluminium hydride yog qhov zoo li ntawm chav nyob. Thaum ntev - sij hawm cia, lithc Hydride yuav decomposed rau hauv li3alh6 thiab lih. Cov txheej txheem no tuaj yeem nrawm los ntawm cov ntsiab lus cocatalytic xws li titanium, hlau thiab vanadium. Thaum cov cua sov likoob aluminium hydride, cov kev tawm tsam cov tshuab tau faib ua peb qib:
3Lialh4 → Li3alh 6 + 2 AL {{4 4} h2} h2 ↑ (r1)
2li3alh6 → 6liih {{{{{}} ib {{5 5} h2} h2 ↑ (R2)
2lih {+ 2 al → 2lial + h2 ↑ (R3)
R1 feem ntau pib nrog yaj ntawm lithium aluminium illiam, thiab tom qab ntawd decomposes rau hauv li 150 tam sim ntawd, tab sis R1 tab tom nqa tawm hauv qab LialH4. Thaum txog 200 degree, li3alh6 decomposes rau hauv lih thiab al (r2), thiab tom qab ntawd decomposes rau hauv lial (R3) saum toj 400 degree. Hauv kev xyaum, kev tiv thaiv R1 yog tsis txaus ntseeg, thaum R3 tau thim rov qab, thiab qhov sib npaug ntawm qhov siab ntawm 500℃yog 25 kpa. Cov tshuaj tiv thaiv ntawm R1 thiab R2 tuaj yeem tshwm sim ntawm chav tsev kub nrog catalyst tsim nyog.
LialH4 reedcts ua txhaum thiab tawg nrog dej thiab tso dej ntau:
Lialh 4 + 2 h2o → lialo 2 + 4 h2}
Lialh 4 + 4 h2o → LIOH + AL (OH) 3+ 4 h2} h2}
Txij li cov hydrogen tso tawm yog qhov tseeb, qhov tshuaj tiv thaiv no tuaj yeem siv los txiav txim siab cov ntsiab lus ntawm Aluminium hydride hauv cov qauv. Txhawm rau tiv thaiv cov tshuaj tiv thaiv los ntawm kev ua phem dhau, ethylene glycole glycole los yog tetrahydrofuran feem ntau ntxiv ua rau kev ua rau siab. Qhov tshuaj tiv thaiv no muab txoj kev kuaj kom muaj txiaj ntsig zoo rau hydrogen ntau lawm. Cov qauv kuaj tau rau hauv cov huab cua rau lub sijhawm ntev yuav tau tig los ua cov tshuaj lom txaus los tsim cov tshuaj khib nyiab kom muaj kev sib xyaw nrog cov lihroum hydroxide thiab Aluminium hydroxide.
Lub ether lossis tetrahydrofuran daws ntawm lialh4 tuaj yeem hnov cov kev sib raug zoo nrog ammonia tso hydrogen:
Lialh 4+4 nh3 → rial (NH2)4+2 h2}
Thaum cov ammonia tsis txaus, cov kev tiv thaiv hauv qab no:
2Lialh 4+5 → nh3 → [lialh (NH2) 2] 2] 2] 20 6}}
Thaum lub NH3 / LialH4 piv yog me dua, peb cov hydrogen hauv ammonia tuaj yeem hloov:
3Lialh 4+} → (lialh3) 3 ty+3 h2}
Lithium Alloc Hydride tuaj yeem hnov mob nrog yuav luag txhua qhov chaw nres tsheb los ua kom muaj kev sib txuas lus sib txuas lus txhuas hydride. Thaum cov kev sib koom ua ke Aluminium hydride tsis ruaj khov, nws yuav decomposed rau hauv cov hydride sib haum. Tus Qauv Txheej Txheem yog:
nlialh 4+ mxn → m (alh4) n + nlix, m (alh4) n → mhn + nalh3
Yog li ntawd, ntau cov hlau los yog tsis - i}} nws cov hlau me me tuaj yeem npaj los ntawm hom no, xws li
Lialh 4+4 nacl → 4NHNA + LICL + ALCL3
Lithum Aluminium Hydride tuaj yeem ua ob chav decomposition nrog nah hauv tetrahydrofuran mus ua kom muaj txiaj ntsig zoo sodium Aluminium hiam (Naalh4):
Lialh 4+ nah → nah 4+ lih
Cov poov tshuaj Aluminium hydride (Kalh4) tuaj yeem npaj nyob rau hauv ib txoj kev zoo sib xws nrog diethylene glycol Dimethyl etheril ether ether li kuab:
Lialh 4+ kha → kH 4+ lih
Alium aluminium hydride tuaj yeem txo ntau cov organic sib txuas, thiab nws ether lossis tetrahydrofuran daws tau feem ntau siv hauv kev xyaum. Qhov muaj peev xwm txo ntawm lithium aluminium lydride muaj zog dua li ntawm cov sodium sodohydride, vim hais tias ib qho ntawm} h khi yog tsis muaj zog dua li b {2} h sib khi. Vim yog tsis yooj yim cia thiab siv, bis (2 {me nyuam yaus} cothox hydride, tab sis Lithhox Hydride tseem siv nyob rau hauv cov khoom lag luam me me.
Cov pab pawg ua haujlwm uas tuaj yeem txo los ntawmLithium aluminium hiamMas muaj xws li:
Haloalkannes raug txo kom alkanes. Cov tshuaj tiv thaiv ntawm iodajalkanes yog qhov nrawm dua, ua raws li ntawm Bromealkanes thiab Chloroalkanes. Nyob rau hauv cov tshuaj tiv thaiv no, thawj haloalkanes (thawj haloalkanes) muaj cov khoom lag luam zoo, yog li qhov kev tawm tsam no tau txiav txim siab yog SN2 mechanism. Lub Halary Halogenated Alkanes (Thib Ob Halogenated Alkanes) kuj tuaj yeem raug txo los ntawm hom no. Tertoria halogenated hydrocarbons (Tertination Halogenated Alkanes) yog siv rau kev tshem tawm cov tshuaj tiv thaiv, yog li cov qauv no tsis siv tau. LATHM Hydride tsuas siv tau los txo cov alkynnes nrog cov pab pawg cawv nyob ze, thiab tsis tuaj yeem siv los txo cov olefins yooj yim thiab muaj ntxhiab hydrocarbons.
Silicon halides raug txo kom txo qis rau kev ua si, xws li
LiAlH4+SiCl4 → SiH4+LiCl+AlCl3
Carboronyl cov tebchaw (tshwj tsis yog cov lus hais) tau txo rau cawv, xws li esters thiab cov roj av thiab cov roj carbonylic los ntawm cov cawv aluminium hydride. Ua ntej tshawb pom ntawm txoj kev ntawm kev txo cov tshuaj ntsuab los ntawm cov nqaij qaib uas tsis tshua muaj dej cawv, tab sis cov tshuaj tiv thaiv no nyuaj rau kev ua haujlwm. Aldehydes thiab ketones kuj tseem tuaj yeem txo mus rau haus dej los ntawm lithium aluminium hydride, tab sis ntau cov regegents me me xws li Nabh4 feem ntau siv rau kev txo qis. , {{-} Ketones yuav raug txo qis rau AllyL cawv.
Epoxy compound. Thaum lub epoxy compound yog txo, lithib hydride reagent yuav tawm tsam cov epoxy tsis sib xws, feem ntau ua rau muaj cawv lossis cov cawv txiv ntoo. Cyclohexane oxide yuav xum txo cov cawv ntawm cov ntawv cog lus (upright bonds).
Kev tawm tsam thiab cov ntawv thuam yog txo rau amines. Cov txiaj ntsig ntawm cov kev tawm tsam feem ntau yog siab, thiab cov tshuaj tiv thaiv ntawm n, n {} hloov cov khoom nyoos dua li lwm tus.
Nitrile yog txo rau thawj lub npe. Tsis tas li ntawd, oximes, nitro cov tebchaw thiab alkyl auzides tuaj yeem txo rau cov amines. Quas ammonium cations tuaj yeem txo kom muaj cov amines.
Cov tshuaj tiv thaiv nrog cawv los tsim cov alkoxy lithium Almm Hydride:
Lialh 4 + roh → yuag (lossis) h 3 + h2} h2} h2} h2}
Lialh 4 + 2 roh → yuag (lossis) 2 2 + 2 h2} h2}
Lialh 4 + 3 roh → yuag (lossis) 3h+ 3 h2} h2} h2}
Lial (lossis)2H2yog qhov ntsuas hluav taws xob tsim nyog rau txo cov chaw nyob rau aldehydes, lial (oc (ch3)3)3H yog ib qho reagent rau txo cov kab mob anshydide tuaj yeem ua rau muaj kev haus dej hiav txwv ib nrab, yog li nws yog ib qho kev haus dej hiav txwv ib nrab, yog li nws yog ib co dej cawv3)3)3H) los txo cov kab mob acyl cylorides. Cov kev tawm tsam ntawm lialum Tri tric butoxy aluminium aluminium kas fes nrog anc cyloride yog nrawm dua li ntawd nrog aldehyde. Piv txwv li, ntxiv rau ntawm sulfoxide chloride hauv isovaleric acid yuav tsim cov tshuaj muaj acideryleryl. Lub sijhawm no,Lithium aluminium hiamYuav siv tau los txo ooovaleryl chloride rau isovaleralerasyde, thiab cov txiaj ntsig tuaj yeem ncav cuag 65%.
Cim npe nrov: Lithium Aluminium Hmoov CASE CAS 16853-85-3, cov chaw tsim khoom, chaw tsim khoom, Hoobkas, lag luam Wholesale, yuav, nqe, loj, rau muag