I-3,4-Dihydro-2H-Pyran (DHP) CAS 110-87-2 Purity >99.0% (GC)
I-Ruifu Chemical ingumkhiqizi ohamba phambili we-3,4-Dihydro-2H-Pyran (DHP) (i-CAS: 110-87-2) enekhwalithi ephezulu, esetshenziswa kabanzi njenge-hydroxyl-protecting reagent ku-organic synthesis.I-Ruifu ihlinzeka ngokulethwa komhlaba wonke, amanani ancintisanayo, amanani amancane kanye nenqwaba etholakalayo.Thenga i-3,4-Dihydro-2H-Pyran,Please contact: alvin@ruifuchem.com
Igama Lekhemikhali | 3,4-Dihydro-2H-Pyran |
Omqondofana | I-DHP;3,4-DHP;3,4-Dihydropyran;I-Dihydropyran;I-2,3,4-Trihydropyran, i-2H-3,4-Dihydropyran, i-Dihydro-2H-Pyran;2,3-Dihydropyran;δ2-Dihydropyran;3,4-Dihydro-1,2-Pyran |
Isimo Sesitoko | Ku-Stock, Commercial Production |
Inombolo ye-CAS | 110-87-2 |
I-Molecular Formula | C5H8O |
Isisindo samangqamuzana | 84.12 g/mol |
I-Melting Point | -70 ℃(okukhanya) |
Iphuzu elibilayo | 86℃(lit.) |
I-Flash Point | -6 ℃ |
Ukuminyana | 0.922 g/mL at 25℃(lit.) |
I-Refractive Index n20/D | 1.440(lit.) |
Ukuncibilika kwamanzi | 20 g/L (20℃) |
I-Hazard Class | 3;Uketshezi Oluvuthayo |
I-COA ne-MSDS | Iyatholakala |
Isampula | Iyatholakala |
Umsuka | Shanghai, China |
Ibhrendi | I-Ruifu Chemical |
Izinto | Amazinga Wokuhlola | Imiphumela |
Ukubukeka | Uketshezi Olucacile Olungenambala | Uketshezi Olucacile Olungenambala |
Ukuhlanzeka / Indlela Yokuhlaziya | >99.0% (GC) | 99.33% |
Amanzi nguKarl Fischer | <0.30% | 0.28% |
I-Tetrahydropyran | <1.50% | 0.62% |
Ukuminyana (20℃) | 0.925~0.933 | Iyahambisana |
I-Refractive Index n20/D | 1.440~1.443 | Iyahambisana |
I-Infrared Spectrum | Ihambisana Nesakhiwo | Iyahambisana |
Isiphetho | Umkhiqizo uhloliwe futhi uthobela imininingwane enikeziwe |
Iphakheji:Ibhodlela, 25kg/Drum, 180kg/Drum, noma ngokwezidingo zekhasimende.
Isitoreji:Gcina isitsha sivalwe ngokuqinile.Gcina endaweni yokugcina impahla epholile, eyomile, enomoya omuhle kude nezinto ezingahambelani.Vikela ekukhanyeni nakumswakama.Akuhambisani nama-oxidizing agents, ama-acids aqinile nama-alcohols.
Ukuthumela:Zilethe emhlabeni wonke ngendiza, yi-FedEx/DHL Express.Nikeza ukulethwa okusheshayo nokuthembekile.
Indlela Yokuthenga?Sicela uxhumaneDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Iminyaka engu-15 Yokuhlangenwe nakho?Sinesipiliyoni seminyaka engaphezu kwe-15 ekwakhiweni nasekuthumeleni kwamanye amazwe uhla olubanzi lwezinga eliphezulu lokuxhumanisa imithi noma amakhemikhali amahle.
Izimakethe Eziyinhloko?Thengisa emakethe yasekhaya, eNyakatho Melika, eYurophu, eNdiya, eKorea, eJapane, e-Australia, njll.
Izinzuzo?Ikhwalithi ephezulu, intengo ethengekayo, izinsizakalo ezichwepheshile nokusekelwa kobuchwepheshe, ukulethwa okusheshayo.
IkhwalithiIsiqiniseko?Isistimu yokulawula ikhwalithi eqinile.Imishini yobuchwepheshe yokuhlaziya ifaka i-NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, NOMA, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, njll.
Amasampula?Imikhiqizo eminingi inikeza amasampula wamahhala wokuhlolwa kwekhwalithi, izindleko zokuthumela kufanele zikhokhelwe amakhasimende.
Ukuhlolwa Kwemboni?Wamukelekile ekucwaningweni kwemboni.Sicela wenze i-aphoyintimenti kusengaphambili.
I-MOQ?Ayikho i-MOQ.I-oda elincane liyamukeleka.
Isikhathi sokuthumela? Uma kungaphakathi kwesitoko, ukulethwa kwezinsuku ezintathu kuqinisekisiwe.
Ezokuthutha?By Express (FedEx, DHL), by Air, by Sea.
Amadokhumenti?Ngemuva kwenkonzo yokuthengisa: I-COA, i-MOA, i-ROS, i-MSDS, njll.
Custom Synthesis?Ingahlinzeka ngezinsizakalo zokwenziwa ngokwezifiso ukuze zilingane kangcono nezidingo zakho zocwaningo.
Imigomo Yokukhokha?I-invoyisi ye-Proforma izothunyelwa kuqala ngemva kokuqinisekiswa kwe-oda, kufakwe nemininingwane yethu yasebhange.Inkokhelo nge-T/T (Telex Transfer), PayPal, Western Union, njll.
Amakhodi Engozi R11 - Avutha Kakhulu
R36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R36/38 - Ukucasula emehlweni nasesikhumbeni.
I-R19 - Ingase yakhe ama-peroxides aqhumayo
Incazelo Yezokuphepha S16 - Zigcine kude nemithombo yomlilo.
S26 - Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S36 - Gqoka izingubo ezifanele zokuzivikela.
I-S37/39 - Gqoka amagilavu afanelekile kanye nokuvikela iso/ubuso
I-S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa okumile.
S7/9 -
Omazisi be-UN UN 2376 3/PG 2
I-WGK Germany 3
I-RTECS UP7700000
TSCA Yebo
I-HS Code 2932999099
Inothi Le-Hazard Livutha Kakhulu/Eliyacasulayo
I-Hazard Class 3
Ukupakisha Iqembu II
Ubuthi LD50 ngomlomo kuNogwaja: > 4000 mg/kg
I-3,4-Dihydro-2H-Pyran (DHP) (i-CAS: i-110-87-2) isetshenziswa njenge-reagent ye-hydroxyl-protecting in organic synthesis.Isebenza njengengxenye emaphakathi kumakhemikhali okwenziwa.Isetshenziselwa ukuvikela amaqembu ahlukahlukene asebenzayo.Ibandakanyeka ekuphenduleni kwe-polymerization kungaba iyodwa noma nge-unsaturated compound futhi ithola ukusetshenziswa ezimbonini ze-polymer.Ngaphezu kwalokho, isetshenziswa ekulungiseleleni ama-bicyclic compounds we-epoxide-fused, i-halo compounds kanye ne-allenic alcohols.
I-3,4-Dihydro-2H-Pyran isetshenziswa kabanzi njenge-OH Protection reagent.I-Tetrahydropyran, i-pentanediol, i-Glutaric acid, i-valerolactone, i-pentadiene nemikhiqizo ye-resin;Ingasetshenziswa futhi njengama-intermediate emithi;Ingasetshenziswa futhi njengama-intermediate emithi;Ingasetshenziswa futhi njengama-solvents, ama-organic synthesis intermediates;Isetshenziselwa kakhulu ukuvikela amaqembu e-hydroxyl, ngokuvamile awaphenduli nge-Nucleophilic Reagents nama-organometallic reagents, ayimelani ne-alkali eqinile futhi kulula ukuyishintsha ngaphansi kwezimo eziphansi ze-pH noma ze-Lewis acid.I-reagent yokuvikela utshwala;I-reagent esetshenziswa kakhulu yokuvikela iqembu le-hydroxyl.
I-3,4-Dihydro-2H-Pyran (i-CAS: i-110-87-2) itholakala ngokukhipha amanzi emzimbeni kanye nokwandiswa kwendandatho ye-tetrahydrofurfuryl alcohol.
Ingozi yomlilo evuthayo futhi eyingozi kakhulu lapho ichayeke ekushiseni noma elangabini;ingasabela ngamandla ngezinto ze-oxidzing.Gwema ukushisa kanye nelangabi elivulekile.Ukulwa nomlilo, sebenzisa igwebu lotshwala, i-CO2, noma ikhemikhali eyomile.Uma ishiselwa ukuze ibole ikhipha intuthu emuncu futhi iyacasula.
Gcina endaweni epholile nengena umoya.Kude nomlilo, umthombo wokushisa, i-anti-static.Izinga lokushisa lesitoreji akufanele lidlule ku-30 ℃.Kufanele igcinwe ngokuhlukana ne-oxidant, futhi ukugcinwa okuxubile akufanele kugwenywe.Kuzokwamukelwa izibani ezingaqhumi futhi zokungenisa umoya.Ukusetshenziswa kwemishini ethandwa yinhlansi namathuluzi akuvunyelwe.Indawo yokugcina kufanele ifakwe izinto zokwelashwa eziphuthumayo zokuvuza nezinto ezifanele zokuvikela.