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CAS 138577-01-2 Cesium Fluoroaluminate
Cesium Fluoroaluminate
CAS Nr .: 138577-0-2
[Formula] CsAlF4
[Properties] melting point: 420-450 ℃, PH nqi: 6-8
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Roj teeb Qib LiOH Lithium Hydroxide Lithium Hydroxide Monohydrate
Lithium HYDROXIDE, MONOHYDRATE (Battery Qib)
Cov roj formula: LiOH · H2O
Cov qauv hnyav: 41.96
CAS Nr .: 1310-66-3
Cov khoom siv: Dawb me me monoclinic siv lead ua, ntsim, muaj zog alkaline, yooj yim nqus carbon dioxide thiab dej hauv huab cua, soluble hauv dej, me ntsis soluble hauv cawv, lub ntiajteb txawj nqus 2.41, melting point 471 ° C.
Cov tsos mob yuav tsum tau: dawb crystal grain, tsis muaj mottling, tsis agglomeration, tsis muaj inclusions.
Tus Qauv Zoo: Q / TJTE 2-2007
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CAS nr: 89-32-7 PMDA Pyromellitic dianhydride
Pyromellitic dianhydride (PMDA), cov khoom ntshiab yog dawb orslightly daj crystals.Cov huab cua noo noo yuav sai sai absorbmoisture los ntawm huab cua thiab hydrolyzed rau hauv Pyromellitic Acid.Dissolved nyob rau hauv dimethyl sulfoxide, dimethylformamide, acetone thiab lwm yam organic solvents, insoluble nyob rau hauv ether, chloroformand benzene.Feem ntau yog siv los ua cov khoom siv raw rau polyimide, thiab tus neeg sawv cev crosslinking rau kev tsim cov epoxy curing tus neeg saib xyuas thiab polyester resin extinction.
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Tuam Tshoj Sodium Cyanoborohydride CAS 25895-60-7 Chaw tsim tshuaj paus
Lub npe: Sodium cyanoborohydride
Lwm lub npe: Sodium cyanotrihydridoborate; sodium cyanoboranuide
CAS: 25895-60-7
Daim ntawv thov: Txo tus neeg sawv cev
Qhov tsos: dawb hmoov
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Kev nyab xeeb shipping txoj kev CAS 56553-60-7 hmoov Sodium triacetoxyborohydride
Khoom npe: Sodium triacetoxyborohydride
CAS: 56553-60-7
Cov mis mos molecular: C6H10BNaO6
Qhov tsos: dawb hmoov
Cov ntsiab lus: 95.0% ~ 105.0% (titration)
Siv: Rau amination txo cov tshuaj tiv thaiv ntawm ketone thiab aldehyde, reductive amination los yog lactamization ntawm carbonyl compound thiab amine, thiab reductive amination ntawm aryl aldehyde
Peev xwm: 5 ~ 10mt / hli
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25kg pob CAS 75-36-5 99% Acetyl Chloride
Khoom npe: Acetyl chloride
CAS Nr .: 75-36-5
Molecular Formula C2H3ClO
Cov tsos mob: kua dej tsis muaj xim
Chroma: ≤50
Acetic acid: ≤1%
Daim ntawv thov: Acetylation reagent
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Kev nyab xeeb shipping txoj kev CAS 16940-66-2 Sodium borohydride nabh4 hmoov
Sodium borohydride yog ib qho inorganic compound, raws li ib tug dawb mus rau off-dawb zoo crystalline hmoov los yog pob.Nws muaj cov tshuaj tiv thaiv sai nrog methanol los tsim hydrogen ntawm chav tsev kub.
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Kev nyab xeeb shipping txoj kev CAS 13762-51-1 BH4K hmoov Potassium borohydride
CAS Nr .: 13762-51-1
Cov mis mos molecular: KBH4
Qhov ntsuas zoo
Kev Ntsuas: ≥97.0%
Poob ntawm ziab: ≤0.3%Ntim: Cardboard nruas, 25kg / chim
Khoom:
Dawb crystalline hmoov, txheeb ze ntom ntom 1.178, ruaj khov hauv huab cua, tsis muaj hygroscopicity.
Soluble nyob rau hauv dej thiab maj mam liberates hydrogen, soluble nyob rau hauv kua ammonia, me ntsis solublKev Siv: Nws yog siv rau kev txo cov tshuaj tiv thaiv ntawm cov organic selective pawg thiab yog siv los ua tus neeg sawv cev txo qis rau aldehydes, ketones thiab phthalein chlorides.Nws tuaj yeem txo cov organic ua haujlwm pab pawg RCHO, RCOR, RC
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99.5% Yb2O3 Ytterbium Oxide
Ytterbium Oxide piav qhia luv luv
CAS Nr .: 1314-37-0
EINECS No.: 215-234-0
Cov roj formula: Yb2O3
Molecular Luj: 325.82
Qhov tsos: dawb xim
Solubility: Insoluble nyob rau hauv dej, me ntsis soluble nyob rau hauv muaj zog mineral acids
Stability: me ntsis hygroscopic
