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CAS 138577-01-2 Cesium Fluoroaluminate
Cesium Fluoroaluminate
CAS NO.: 138577-0-2
[Formula] CsAlF4
[Ihe onwunwe] ebe mgbaze: 420-450 ℃, PH uru: 6-8
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Ọkwa batrị LiOH Lithium Hydroxide Lithium Hydroxide Monohydrate
LITHIUM HYDROXIDE, MONOHYDRATE(Ọkwa batrị)
Usoro: LiOH·H2O
Ibu usoro: 41.96
CAS NO: 1310-66-3
Njirimara: White obere kristal monoclinic, oseose, alkaline siri ike, dị mfe itinye carbon dioxide na mmiri n'ikuku, soluble na mmiri, ntakịrị soluble na mmanya na-aba n'anya, ike ndọda kpọmkwem 2.41, ebe mgbaze 471 Celsius.
Ọdịiche chọrọ: ọka kristal ọcha, enweghị mottling, enweghị agglomeration, enweghị ntinye.
Ọkọlọtọ Ọdịmma:Q/TJTE 2-2007
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Cas no:89-32-7 PMDA Pyromellitic diahydride
Pyromellitic dianhydride (PMDA), ngwaahịa dị ọcha bụ kristal na-acha ọcha ma ọ bụ na-acha odo odo.Ikuku nke mmiri na-ekpo ọkụ ga-amịkọrọ mmiri ngwa ngwa site na ikuku na hydrolyzed n'ime Pyromellitic Acid. A na-agbaze na dimethyl sulfoxide, dimethylformamide, acetone na ihe mgbaze ndị ọzọ na-adịghị ahụkebe na ether, chloroform na benzene.A na-eji ya eme ihe dị ka akụrụngwa maka polyimide, na onye na-ahụ maka ịre ahịa maka imepụta ihe na-agwọ ọrịa epoxy na mkpochapụ resin polyester.
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Ụlọ ọrụ na-enye ọnụahịa kacha mma CAS 25895-60-7 Sodium cyanoborohydride
Aha: sodium cyanoborohydride
Aha ndị ọzọ: sodium cyanotrihydridoborate; sodium cyanoboranuide
CAS: 25895-60-7
Ngwa: Onye na-ebelata ihe
Ọdịdị: ọcha ntụ ntụ
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Ụzọ mbupu dị mma CAS 56553-60-7 ntụ ntụ Sodium triacetoxyborohydride
Aha ngwaahịa: sodium triacetoxyborohydride
CAS: 56553-60-7
Usoro ihe omimi:C6H10BNaO6
Ọdịdị: ọcha ntụ ntụ
Ọdịnaya: 95.0% ~ 105.0% (titration)
Na-eji: Maka mmeghachi omume mbelata nke ketone na aldehyde, mbelata amination ma ọ bụ lactamization nke carbonyl compound na amine, na mbelata amination nke aryl aldehyde.
Ike: 5 ~ 10mt / ọnwa
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25kg ngwugwu CAS 75-36-5 99% Acetyl Chloride
Aha ngwaahịa: Acetyl chloride
CAS NO:75-36-5
Formula MolecularC2H3ClO
Ọdịdị: Mmiri mmiri na-enweghị agba
Chroma:≤50
Acetic acid: 1%
Ngwa: acetylation reagent
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Ụzọ mbupu nchekwa nchekwa CAS 16940-66-2 Sodium borohydride nabh4 ntụ ntụ
Sodium borohydride bụ ngwakọta inorganic, dị ka ntụ ntụ ma ọ bụ ntụ ntụ na-acha ọcha ma na-acha ọcha.Ọ nwere mmeghachi omume ngwa ngwa na methanol iji mepụta hydrogen na okpomọkụ ụlọ nkịtị.
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Ụzọ mbupu nchekwa nchekwa CAS 13762-51-1 BH4K ntụ ntụ Potassium borohydride
CAS NO.: 13762-51-1
Usoro ihe omimi: KBH4
Ndekọ ogo
Nyocha: ≥97.0%
Ọnwụ na nkụ: ≤0.3%Nkwakọ ngwaahịa: drum kaadiboodu, 25kg / gbọmgbọm
Ngwongwo:
White crystalline ntụ ntụ, ikwu njupụta 1.178, kwụsiri ike na ikuku, enweghị hygroscopicity.
Na-agbaze na mmiri ma jiri nwayọọ nwayọọ na-atọhapụ hydrogen, soluble na mmiri mmiri amonia, ntakịrị solublA na-eji ya eme ihe: A na-eji ya maka mbelata mmeghachi omume nke organic ahọpụtara ma jiri ya dị ka onye na-ebelata ala maka aldehydes, ketones na phthalein chlorides.Ọ nwere ike ibelata organic arụ ọrụ RCHO, RCOR, RC
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99.5% Yb2O3 Ytterbium oxide
Mkpebi dị mkpirikpi nke Ytterbium oxide
CAS Nọmba: 1314-37-0
EINECS Nọmba: 215-234-0
Usoro: Yb2O3
Arọ Molecular: 325.82
Ọdịdị: agba ọcha
Solubility: Enweghị ike soluble n'ime mmiri, na-agbaze nke ọma na mineral acid siri ike
Nkwụsi ike: obere hygroscopic
