Hafnium Chloride / HFCL4 / CAS 13499-05-3
Khoom npe: Hafnium chloride
CAS: 13499-05-3
Mf: cl4hf
MW: 320.3
Einecs: 236-826-5
Melting taw tes: 319 ° C
Boiling taw tes: 315.47 ° C (kwv yees)
Ntws: 1.89 g / cm3
vapor siab: 1 hli HG (190 ° C)
solubility: soluble hauv methanol thiab acetone.
Daim Ntawv: Hmoov
Xim: Dawb
Hafnium (IV) Chlorideyog ib qho tseem ceeb hauv nruab nrab hauv kev tsim cov hlau hafnium. Nws kuj yog siv los npaj ntau lub tebcium hafnium.
Hauv kev tshawb fawb ntawm cov ntaub ntawv kev tshawb fawb,Hafnium (IV) Chlorideyog qhov tseem ceeb precursor cov khoom nyob rau hauv kev npaj ntawm hafnium raws li alloys.HafniumRaws li cov alloys tau siv dav hauv qhov kub tshaj plaws ntawm Aerospace hniav thiab kev sib txuas ua ke, vim lawv qhov kev kub siab ua tsis kam thiab corrosion tsis kam. Lawv tuaj yeem tiv taus txhua yam kev ntxhov siab thiab tshuaj yaig nyob rau hauv huab cua sov heev, kom ntseeg tau lub luag haujlwm txhim khu kev qha ntawm cov dav hlau.
Kev lag luam hluav taws xob: Nws yog cov khoom siv tseem ceeb rau kev tsim cov khoom lag luam siab dielectric conchat cov khoom siv. Nrog kev txhim kho txuas ntxiv ntawm semiconductor cov cuab yeej ntawm miniaturization, kev ua yeeb yam uas yuav tsum muaj rau cov ntaub ntawv sib tw yog cov nruj ua kom nruj zuj zus. Cov ntaub ntawv synthesized nrog hafnium tetrachloride tuaj yeem txhim kho kev ua haujlwm hluav taws xob, thiab txhawb nqa cov khoom siv hluav taws xob.
Ceramic raug: Siv los npaj cov ceramics tshwj xeeb muaj Hafnium lub caij Hafnium, uas muaj ntau yam ua muaj zog, tawv tawv, thiab siab-kub cuam tshuam. Lawv muaj kev ua tau zoo heev hauv kev cov cuab yeej, pwm, thiab muaj cov kab mob kilnings, txuas ntxiv lawv txoj kev pabcuam lub neej thiab txhim kho ntau zog.
Hafnium oxide prefursor: Hfcl₄ yog siv ua ntej tsim hafnium oxide (hfoo₂), uas muaj ntau yam kev siv nrog rau cov khoom siv semiconductor.
Catalyst hauv cov synthic synthesis: Hafnium chloride tuaj yeem siv los ua cov tshuaj tua kab hauv qee cov organicsst, tshwj xeeb tshaj yog hauv cov txheej txheem polymerization.
Chemical Vapor Deposition (CVD): Hfcl₄ yog siv hauv cov tshuaj lom neeg vaflium-uas yog qhov tseem ceeb rau kev tsim cov tshuaj thiab cov yeeb yaj kiab nyias.
Cov ntawv thov nuclear: vim nws lub neutron nqus cov khoom, hafnium thiab nws cov sib xyaw (suav nrog HAFNACE Chloride) yog siv nyob rau hauv cov tshuaj tua hluav taws xob thiab tswj cov pas nrig.
Kev tshawb fawb thiab kev txhim kho: Hafnium Chloride tseem siv nyob rau hauv ntau daim ntawv thov cov ntaub ntawv tshawb fawb thiab Chemistry los kawm txog Hafnium tebchaw thiab lawv cov khoom.
Muab cia rau hauv qhov cua thiab qhuav ntoo.
Hafnium chloride (HFCL₄) yuav tsum muab khaws cia kom zoo kom tswj nws cov ruaj khov thiab tiv thaiv kev ua kom tsis txhob muaj kev txheeb xyuas. Nov yog qee cov lus qhia rau khaws cia HFFNium chloride:
Thawv: Khaws Hafnium Chloride hauv airtight ntim ua los ntawm cov ntaub ntawv tsim nyog, xws li iav lossis qee qhov plastics, kom tsis txhob muaj kev tiv thaiv yaiab. Zam tsis txhob siv hlau ntim raws li HAFNACIUM Chloride reacts nrog hlau.
Ib puag ncig: Muab ntim rau hauv qhov chaw txias, qhuav qhov chaw kom deb ntawm lub hnub ci ncaj qha thiab kub. Vim tias Hafnium chloride yog hygroscopic, nws yog ib qho tseem ceeb kom txo qis kev ua kom ya raws.
Inert agosphere: yog tias ua tau, khw Hafnium chloride nyob rau hauv lub inert uresysis thiab cov tshuaj tiv thaiv nrog dej noo hauv huab cua.
Daim ntawv lo: daim ntawv lo qhia kom meej rau cov npe tshuaj, cov ntaub ntawv muaj kev phom sij, thiab tau txais hnub kom tau txais kev tswj hwm kom raug thiab muaj kev nyab xeeb.
Kev ceev faj kev nyab xeeb: Thov ua raws li kev nyab xeeb cov lus qhia kev phom sij thiab kev khaws cia thiab tuav Hafnium Chloride, suav nrog kev siv cov khoom siv tiv thaiv tus kheej (PPE).
Yog lawm, Hafnium chloride (HFCL₄) yog txiav txim siab txaus ntshai. Nov yog qee cov ntsiab lus tseem ceeb txog nws cov kev phom sij:
1. Corrosive: Hafnium chloride yog corrosive rau daim tawv nqaij, ob lub qhov muag thiab ua pa ua pa. Kev sib tiv tauj tuaj yeem ua rau muaj kev txob chim thiab hlawv.
2. Toxicity: nqus tau ntawm hafnium tshuaj nqus plua plav lossis vapor tuaj yeem tsim kev puas tsuaj thiab yuav ua rau muaj teeb meem ua pa. Nco ntsoov tsis txhob ua pa ib qho hmoov av lossis cov pa taws.
3. Ashivity: Hafnium chloride yog hygroscopic thiab tuaj yeem hnov mob nrog cov dej noo hauv huab cua kom tso cov roj flochloric acid, uas yog cov tseem txaus ntshai.
4. Kev cuam tshuam ib puag ncig: Hafnium muaj kev phom sij rau cov neeg muaj lub neej thiab yuav tsum ua kom tsis txhob muaj kev saib xyuas kom tsis txhob muaj kev sib kis ib puag ncig.
Vim tias cov phom sij no, cov kev cai tswj kev nyab xeeb yuav tsum tau ua raws li cov khoom siv tiv thaiv kev nyab xeeb (PPE)
Ntim yuav tsum:Hafnium Tetrachloride yuav tsum tau ntim rau hauv cov thawv nrog cov nruas sib luag, feem ntau cov raj hlau sib dhos lossis cov ntaub qhwv kab nrog yas, kom ntseeg tau tias yuav tsis muaj tshuaj xau thaum thauj mus los. Cov ntawv qhia txog cov neeg siv tshuaj kom meej yuav tsum yog cov lus sab nraum lub ntim, ntsuas cov ntsiab lus tseem ceeb xws li "
Kev Thauj Mus Los:Cov tsheb thauj mus yuav tsum muaj cov chaw tua hluav taws kom tsis txhob muaj kev sib txuam ntawm cov pa lom tom qab toast. Txhawm rau kom tsis txhob kub, hnub kis, thiab los nag, kub siab yuav ua rau muaj kev kub ntxhov hauv lub khob, coj mus toast. Hu nrog dej nag yuav ua rau cov hydrolysis ntawm hafnium tetrachloride los tsim cov tshuaj corrosive, uas tuaj yeem corrode ntim thiab lub tsheb sib. Thaum lub sijhawm thauj mus los, nws raug nquahu kom tsav tau yooj yim thiab txo cov pob thiab tshee.
