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Dimethyl carbonate CAS: 616-38-6
Dimethyl carbonate (DMC), ihe akụrụngwa kemịkalụ nwere obere nsi, ọrụ nchekwa gburugburu ebe obibi mara mma yana ngwa sara mbara, bụ etiti dị mkpa maka njikọ organic.Ọdịdị molekụla ya nwere otu ndị na-arụ ọrụ dị ka carbonyl, methyl na methoxy, ọ nwekwara mmeghachi omume dị iche iche.Ọ nwere njirimara nke iji nchekwa, ịdị mma, obere mmetọ na njem dị mfe na mmepụta.Dimethyl carbonate bụ ngwaahịa kemịkalụ “acha ndụ ndụ” na-ekwe nkwa n'ihi na ... -
N-Methyl-2-pyrrolidinone (NMP) Cas: 872-50-4
N- methylpyrrolidone, mmiri mmiri na-enweghị agba na nke nwere mmanu mmanu nwere ntakịrị isi amine.Soluble na mmiri, mmanya, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon na castor mmanụ.Mgbanwe dị ala, ezigbo nkwụsi ike nke okpomọkụ na nkwụsi ike kemịkalụ, ma nwee ike ịpụ site na vepo mmiri.Nwee hygroscopicity.Na-enwe mmetụta maka ọkụ.A na-eji N-methylpyrrolidone mee ihe na batrị lithium, ọgwụ, pesticide, pigmenti, ihe nhicha, ihe mkpuchi na ụlọ ọrụ ndị ọzọ.1. Chinese n... -
5-CHLORO-N-VALERIC Acid
5-chlorovaleric acid CAS: 1119-46-6 -
5-chloro amyl chloride
5-Chlorovaleryl chloride, CAS: 1575-61-7 -
5-Chloroethyl-6-chloro-1,3-dihydro-2H-indole-2-otu,CAS 118289-55-7
CAS Nọmba: 118289-55-7
Aha ndị ọzọ: 6-Chloro-5- (2-chloroethyl) -1
MF:C10H9Cl2NO
EINECS Nọmba: 118289-55-7
Ụdị: Agrochemical Intermediates, Dyestuff Intermediates, Flavour & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Ịdị ọcha: ≥99%
Nọmba nlereanya: 118289-55-7
Ngwa: Ziprasidone etiti
Ọdịdị: White ntụ ntụ
Aha ngwaahịa: 5-Chloroethyl-6-chloro-1,3-dihydro-2H-indole-2-one
Agba: White ntụ ntụ -
Cycobalamin Vitamin B12 Vitamin Antianemia
Cycobalamin bụ otu n'ime ogige vitamin B, nke nwere mmetụta mgbochi ọrịa anaemia siri ike.Ọ bụ aha e nyere site na kristal nke vitamin B12, ihe dị mkpa maka mmepe nke nje bacteria na anụmanụ.E wezụga C, H, O, N, P na Co, aDribose conjugate nke 5,6-dimethe-rbenzimidazole bụ akụkụ nke nhazi ya.AR Todd et al.tinye usoro nhazi, nke a na-akpọ cyanocobalamin n'ihi na a na-ahazi cyano na cobalt.Oke kachasị na ngwọta mmiri bụ 278,361,548 nm.Na 1948, E.L. Rickes nke United States na E.L.Smith nke United Kingdom weputara kristal n'onwe ya na imeju.Kemgbe ahụ, a na-enwetakwa ihe a site na ụfọdụ actinomycete (StrePtomyces griseum).
Cyanocobalamin bụkwa ihe na-ebupụta ezì na ọkụkọ, ọ bụkwa otu ihe ahụ dị ka protein anụmanụ dị mkpa maka ịkụ akwa.Vitamin B12, nyere ndị ọrịa nwere ọrịa ọjọọ na 150 micrograms, nwere ike ịbawanye mkpụrụ ndụ ọbara uhie ihe dị ka ugboro abụọ, na 3-6 micrograms nwekwara ike ịmepụta mmetụta.Na vivo, a na-ebufe ya n'ọbara n'ụdị ngwakọta na protein trans-cobalamin (protein a-globular), ma dị n'ụdị coenzyme n'ụdị anụ ahụ dị iche iche.Yana folic acid, ọ na-etinye aka na metabolism nke mbufe methyl na ọgbọ methyl na-arụ ọrụ.Ma bụrụ ihe dị mkpa nke purine, pyrimidine na biosynthesis ndị ọzọ. -
TPU maka nrapado akpụkpọ ụkwụ,
Ihe e ji mara ya bụ: 1. Enweghị odo;2. Dị nnọọ ngwa ngwa crystallization;3. Nnukwu okpomọkụ na-eguzogide.Usoro ngwaahịa a nwere ezigbo adhesion na okpomọkụ na-eguzogide PVC, PU, roba, TPR, Eva, nylon, akpụkpọ anụ na ihe ndị ọzọ.Enwere ike nweta mmachi dị mma na okpomọkụ na-eguzogide okpomọkụ n'ejighị ihe na-agwọ ọrịa.N'ihi njirimara ya na-adịghị na-acha odo odo, ọ dị mma karịsịa maka ijikọ akpụkpọ ụkwụ njem ọcha dị iche iche.LY usoro polyurethane nrapado bụ akụkụ abụọ ... -
Butyl roba mmeghari ohuru
rọba butyl eweghachite bụ nke otu dị mkpa nke rọba eweghachitere.N'ihe karịrị tubes butyl 900 dị n'ime dị ka akụrụngwa, a na-anụcha ya site na nzacha ntupu 80 mgbe desulfurization gasịrị site na usoro ire ere kachasị elu.Ọ nwere njirimara nke ike dị mma, ịdị mma dị elu, ikuku siri ike na njigide aka bara ụba.Enwere ike iji ya naanị mepụta ngwaahịa roba butyl dị ka obere butyl inner tubes, butyl capsules, butyl sealing strips, wdg. A pụkwara iji ya ọnụ... -
ntụ iji koo achịcha
Aha ngwaahịa: baking soda CAS ：144-55-8 Nọmba EINECS 205-633-8 Klas ngwaahịa: nri nri Akụkụ nha: 200 (ntupu) Mejuputa ụkpụrụ dị mma: GB/t1606-2008 Aha: sodium bicarbonate (baking soda) Ụdị: 25kg kemịkalụ dị ize ndụ: enweghị ọdịnaya: 99% sodium bicarbonate, usoro ọgwụ NaHCO3, nke a na-akpọkarị soda.kristal dị ọcha na-acha ọcha, solubility ya na mmiri dị obere karịa nke sodium carbonate.Ọ bụkwa kemịkalụ ụlọ ọrụ mmepụta ihe.Ihe siri ike na-amalite ireji nke nta nke nta ka ọ bụrụ sodium ca ... -
PPO/PPE
Ngwa nke PPO granules 1: N'ihi na mmepụta nke okpomọkụ na-eguzogide akụkụ mkpuchi obere eyi na-eguzogide akụkụ nnyefe akụkụ na electronic components nke ọgwụ 2: Enwere ike iji ya na elu okpomọkụ gia, agụba, valves na akụkụ ndị ọzọ nwere ike dochie anya igwe anaghị agba nchara 3. : Nwere ike ịmepụta skru, fasteners na connectors Properties * Ezi nguzozi nke akụrụngwa * CreepStiffness na ike * Creep * Ike mmetụta * Ọmarịcha ọkụ eletrik * Ezigbo ọkụ retardancy * Chemic... -
chloroprene roba CR121
Neoprene, nke a makwaara dị ka roba chloroprene na Xinping roba.A na-eji rọba sịntetịt nke α-polymerization nke chloroprene (2- chloro-1,3- butadiene) na-emepụta n'ọtụtụ ebe na ngwaahịa ihu igwe, sọks viscose, mkpuchi na mmanụ rọketi.Flake ma ọ bụ ngọngọ nwere ọcha mmiri ara ehi, agba aja aja ma ọ bụ ìhè aja aja bụ elastomer nke alfa polymerization nke chloroprene mepụtara (ya bụ 2- chloro -1,3- butadiene) dị ka isi akụrụngwa.The solubility parameter nke chloroprene roba akaụntụ δ = 9.2 ~ 9.... -
chloroprene rubbere CR232
Neoprene, nke a makwaara dị ka roba chloroprene na Xinping roba.A na-eji rọba sịntetịt nke α-polymerization nke chloroprene (2- chloro-1,3- butadiene) na-emepụta n'ọtụtụ ebe na ngwaahịa ihu igwe, sọks viscose, mkpuchi na mmanụ rọketi.Flake ma ọ bụ ngọngọ nwere ọcha mmiri ara ehi, agba aja aja ma ọ bụ ìhè aja aja bụ elastomer nke alfa polymerization nke chloroprene mepụtara (ya bụ 2- chloro -1,3- butadiene) dị ka isi akụrụngwa.The solubility parameter nke chloroprene roba akaụntụ δ = 9.2 ~ 9....
