3,4-Dihydro-2H-Pyran (DHP) CAS 110-87-2 Purity > 99.0% (GC)
Ruifu Chemical ndi amene amapanga 3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) yokhala ndi khalidwe lapamwamba, logwiritsidwa ntchito kwambiri ngati hydroxyl-protecting reagent mu organic synthesis.Ruifu amapereka kubweretsa padziko lonse lapansi, mtengo wampikisano, zochepa komanso zochulukirapo zomwe zilipo.Gulani 3,4-Dihydro-2H-Pyran,Please contact: alvin@ruifuchem.com
Dzina la Chemical | 3,4-Dihydro-2H-Pyran |
Mawu ofanana ndi mawu | DHP;3,4-DHP;3,4-Dihydropyran;Dihydropyran;2,3,4-Trihydropyran, 2H-3,4-Dihydropyran, Dihydro-2H-Pyran;2,3-Dihydropyran;δ2-Dihydropyran;3,4-Dihydro-1,2-Pyran |
Stock Status | Mu Stock, Commercial Production |
Nambala ya CAS | 110-87-2 |
Molecular Formula | C5H8O |
Kulemera kwa Maselo | 84.12 g / mol |
Melting Point | -70 ℃ (lit.) |
Boiling Point | 86 ℃ (lit.) |
Pophulikira | -6 ℃ |
Kuchulukana | 0.922 g/mL pa 25 ℃(lit.) |
Refractive Index n20/D | 1.440 (lit.) |
Kusungunuka kwamadzi | 20 g/L (20 ℃) |
Kalasi Yowopsa | 3;Flammable Liquid |
COA & MSDS | Likupezeka |
Chitsanzo | Likupezeka |
Chiyambi | Shanghai, China |
Mtundu | Ruifu Chemical |
Zinthu | Miyezo Yoyendera | Zotsatira |
Maonekedwe | Zamadzimadzi Zopanda Mtundu | Zamadzimadzi Zopanda Mtundu |
Kuyera / Kusanthula Njira | >99.0% (GC) | 99.33% |
Madzi ndi Karl Fischer | <0.30% | 0.28% |
Tetrahydropyran | <1.50% | 0.62% |
Kachulukidwe (20 ℃) | 0.925 ~ 0.933 | Zimagwirizana |
Refractive Index n20/D | 1.440 ~ 1.443 | Zimagwirizana |
Infrared Spectrum | Zogwirizana ndi Kapangidwe | Zimagwirizana |
Mapeto | Chogulitsacho chayesedwa ndipo chikugwirizana ndi zomwe zaperekedwa |
Phukusi:Botolo, 25kg / Drum, 180kg / Drum, kapena malinga ndi zomwe kasitomala amafuna.
Posungira:Sungani chidebecho chotsekedwa mwamphamvu.Sungani munkhokwe yozizirira, youma, yolowera mpweya wabwino kutali ndi zinthu zosagwirizana.Tetezani ku kuwala ndi chinyezi.Zosagwirizana ndi oxidizing agents, amphamvu zidulo ndi mowa.
Manyamulidwe:Kutumiza kudziko lonse lapansi ndi ndege, ndi FedEx / DHL Express.Perekani mwamsanga ndi yodalirika yobereka.
Kodi kugula?Chonde lemberaniDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Zaka 15 Zokumana nazo?Tili ndi zaka zopitilira 15 pakupanga ndi kutumiza kunja kwamitundu yambiri yamankhwala apamwamba kwambiri kapena mankhwala abwino.
Misika Yaikulu?Gulitsani kumsika wapakhomo, North America, Europe, India, Korea, Japan, Australia, etc.
Ubwino wake?Ubwino wapamwamba, mtengo wotsika mtengo, ntchito zamaluso ndi chithandizo chaukadaulo, kutumiza mwachangu.
UbwinoChitsimikizo?Njira yoyendetsera bwino kwambiri.Zida zaukadaulo zowunikira zikuphatikizapo NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Zitsanzo?Zogulitsa zambiri zimapereka zitsanzo zaulere zowunikira zabwino, mtengo wotumizira uyenera kulipidwa ndi makasitomala.
Factory Audit?Takulandilani ku fakitale.Chonde panganitu nthawi yokumana.
MOQ?Palibe MOQ.Dongosolo laling'ono ndilovomerezeka.
Nthawi yoperekera? Ngati mkati mwa katundu, kubweretsa masiku atatu kutsimikizika.
Mayendedwe?Ndi Express (FedEx, DHL), ndi Air, ndi Nyanja.
Zolemba?Pambuyo pa ntchito yogulitsa: COA, MOA, ROS, MSDS, ndi zina zotero.
Custom Synthesis?Itha kukupatsirani ntchito zophatikizira zomwe zikugwirizana bwino ndi zosowa zanu zofufuza.
Malipiro Terms?Invoice ya Proforma idzatumizidwa kaye mukatsimikizira kuyitanitsa, ndikuyika zambiri zathu zakubanki.Malipiro a T/T (Telex Transfer), PayPal, Western Union, etc.
Zizindikiro Zowopsa R11 - Zoyaka Kwambiri
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R36/38 - Kukwiyitsa maso ndi khungu.
R19 - Itha kupanga ma peroxides ophulika
Kufotokozera Zachitetezo S16 - Khalani kutali ndi komwe mukuyatsa.
S26 - Mukakhudzana ndi maso, muzimutsuka nthawi yomweyo ndi madzi ambiri ndipo funsani malangizo achipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
S33 - Tengani njira zodzitchinjiriza motsutsana ndi kutulutsa kosasunthika.
S7/9 -
Ma ID a UN UN 2376 3/PG 2
WGK Germany 3
RTECS UP7700000
TSCA Inde
HS kodi 2932999099
Zowopsa Zoyaka Kwambiri / Zokwiyitsa
Kalasi Yowopsa 3
Packing Gulu II
Poizoni LD50 pakamwa pa Kalulu: > 4000 mg/kg
3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) imagwiritsidwa ntchito ngati hydroxyl-protecting reagent mu organic synthesis.Imakhala ngati yapakatikati mu chemistry yopanga.Amagwiritsidwa ntchito kuteteza magulu osiyanasiyana ogwira ntchito.Imakhudzidwa ndi machitidwe a polymerization mwina okha kapena ndi unsaturated pawiri ndipo imapezeka m'mafakitale a polima.Kuphatikiza apo, amagwiritsidwa ntchito popanga ma bicyclic mankhwala a epoxide-fused, halo mankhwala ndi allenic alcohols.
3,4-Dihydro-2H-Pyran imagwiritsidwa ntchito kwambiri ngati OH Protection reagent.Tetrahydropyran, pentanediol, Glutaric acid, valerolactone, pentadiene ndi mankhwala a utomoni;Itha kugwiritsidwanso ntchito ngati intermediates mankhwala;Itha kugwiritsidwanso ntchito ngati intermediates mankhwala;Angagwiritsidwenso ntchito monga zosungunulira, organic synthesis intermediates;Amagwiritsidwa ntchito kwambiri poteteza magulu a hydroxyl, nthawi zambiri samakhudzidwa ndi Nucleophilic Reagents ndi organometallic reagents, imagonjetsedwa ndi alkali amphamvu ndipo ndi yosavuta kusintha pansi pa pH yochepa kapena Lewis acid.Mowa Gulu-chitetezo reagent;Zomwe zimagwiritsidwa ntchito kwambiri poteteza gulu la hydroxyl.
3,4-Dihydro-2H-Pyran (CAS: 110-87-2) imapezeka mwa kutaya madzi m'thupi ndi kufalikira kwa mphete ya tetrahydrofurfuryl mowa.
Moto woyaka komanso wowopsa kwambiri ukakumana ndi kutentha kapena malawi;amatha kuchitapo kanthu mwamphamvu ndi zinthu zotulutsa okosijeni.Khalani kutali ndi kutentha ndi lotseguka lawi.Kuti muzimitsa moto, gwiritsani ntchito thovu la mowa, CO2, kapena mankhwala owuma.Ikatenthedwa kuti iwonongeke, imatulutsa utsi wonyezimira komanso wokwiyitsa.
Kusunga m'nyumba yozizira komanso mpweya wokwanira.Kutali ndi moto, gwero la kutentha, anti-static.Kutentha kosungirako sikuyenera kupitirira 30 ℃.Iyenera kusungidwa mosiyana ndi okosijeni, ndipo kusungirako kosakanikirana kuyenera kupewedwa.Zowunikira zosaphulika komanso mpweya wabwino ziyenera kulandiridwa.Kugwiritsa ntchito zida zamakina zomwe zimakhala ndi spark ndi zida ndizoletsedwa.Malo osungiramo zinthu ayenera kukhala ndi zida zochizira mwadzidzidzi zotayikira komanso zida zoyenera zosungira.