3,4-Dihydro-2H-Pyran (DHP) CAS 110-87-2 Kuchena > 99.0% (GC)
Ruifu Chemical ndiyo inotungamira kugadzira 3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) nehupamhi hwepamusoro, inoshandiswa zvakanyanya sehydroxyl-protecting reagent mu organic synthesis.Ruifu inopa kutumirwa kwepasirese, mutengo wemakwikwi, zvidiki uye huwandu hwakawanda huripo.Tenga 3,4-Dihydro-2H-Pyran,Please contact: alvin@ruifuchem.com
Chemical Name | 3,4-Dihydro-2H-Pyran |
Mashoko anoreva zvakafanana | 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 | MuStock, Commercial Production |
Nhamba yeCAS | 110-87-2 |
Molecular Formula | C5H8O |
Molecular Weight | 84.12 g/mol |
Melting Point | -70 ℃ (lit.) |
Boiling Point | 86℃(lit.) |
Flash Point | -6 ℃ |
Density | 0.922 g/mL pa25℃(lit.) |
Refractive Index n20/D | 1.440(lit.) |
Mvura Solubility | 20 g/L (20 ℃) |
Hazard Kirasi | 3;Flammable Liquid |
COA & MSDS | Available |
Muenzaniso | Available |
Origin | Shanghai, China |
Brand | Ruifu Chemical |
Items | Kuongorora Maitiro | Results |
Chitarisiko | Colorless Clear Liquid | Colorless Clear Liquid |
Kuchena / Analysis Method | >99.0% (GC) | 99.33% |
Mvura naKarl Fischer | <0.30% | 0.28% |
Tetrahydropyran | <1.50% | 0.62% |
Density (20 ℃) | 0.925~0.933 | Zvinoenderana |
Refractive Index n20/D | 1.440~1.443 | Zvinoenderana |
Infrared Spectrum | Zvinoenderana NeChimiro | Zvinoenderana |
Mhedziso | Chigadzirwa chakaedzwa uye chinoenderana nezvakapihwa |
Package:Bhodhoro, 25kg/Drum, 180kg/Drum, kana zvinoenderana nezvinodiwa nemutengi.
Kuchengeta:Chengetedza mudziyo wakavharwa zvakasimba.Chengetedza muimba yekuchengetera inotonhorera, yakaoma, ine mhepo yakanaka kure nezvinhu zvisingaenderane.Dzivirira kubva kuchiedza uye unyoro.Izvo zvisingaenderani neoxidizing agents, yakasimba acids uye doro.
KutumiraKuendesa kupasirese nemhepo, neFedEx / DHL Express.Ipa kutumirwa nekukurumidza uye kwakavimbika.
Kutenga sei?Please contactDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Makore 15 Oupenyu?Tine makore anopfuura 15 ane ruzivo mukugadzira uye kutumira kunze kwemhando dzakasiyana-siyana dzepamusoro dzemishonga yepakati kana makemikari akanaka.
Main Markets?Tengesa kumusika wepamba, North America, Europe, India, Korea, Japan, Australia, nezvimwe.
Zvakanakira?Hunhu hwepamusoro, mutengo unokwanisika, masevhisi ehunyanzvi uye rutsigiro rwehunyanzvi, kuendesa nekukurumidza.
HunhuSimbiso?Strict quality control system.Midziyo yehunyanzvi yekuongorora inosanganisira NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, nezvimwe.
Samples?Zvigadzirwa zvakawanda zvinopa mahara emahara ekuongorora kwemhando, mutengo wekutumira unofanirwa kubhadharwa nevatengi.
Factory Audit?Factory audit inogamuchirwa.Ndapota itai nguva isati yasvika.
MOQ?Hapana MOQ.Kurongeka kudiki kunogamuchirwa.
Delivery Nguva? Kana mukati me stock, mazuva matatu kutumirwa anovimbiswa.
Transportation?Ne Express (FedEx, DHL), neMhepo, neGungwa.
Zvinyorwa?Mushure mekutengesa sevhisi: COA, MOA, ROS, MSDS, nezvimwe zvinogona kupihwa.
Custom Synthesis?Inogona kupa echinyakare synthesis masevhisi kuti aenderane nezvinodiwa zvako zvekutsvagisa.
Payment Terms?Proforma invoice inozotumirwa kutanga mushure mekusimbisa kurongeka, yakavharirwa ruzivo rwedu rwebhangi.Kubhadhara neT/T (Telex Transfer), PayPal, Western Union, nezvimwe.
Risk Codes R11 - Yakanyanya Kupisa
R36/37/38 - Kushungurudza maziso, kufema system uye ganda.
R36/38 - Kushungurudza maziso neganda.
R19 - Inogona kugadzira peroxides inoputika
Tsanangudzo Yekuchengetedza S16 - Chengetedza kure nenzvimbo dzekudzima.
S26 - Kana wasangana nemaziso, simbura nekukasira nemvura yakawanda uye tsvaga mazano ekurapwa.
S36 - Pfeka zvipfeko zvinodzivirira zvakakodzera.
S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso
S33 - Tora matanho ekuzvidzivirira kubva kune static dischages.
S7/9 -
UN IDs UN 2376 3/PG 2
WGK Germany 3
RTECS UP7700000
TSCA Hongu
HS Code 2932999099
Hazard Note Yakanyanya Kupisa/Irritant
Hazard Kirasi 3
Packing Group II
Toxicity LD50 nemuromo muTsuro:> 4000 mg/kg
3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) inoshandiswa se hydroxyl-protecting reagent mu organic synthesis.Inoshanda sepakati mune yekugadzira chemistry.Inoshandiswa kuchengetedza akasiyana reactive anoshanda mapoka.Inobatanidzwa mukuita kwepolymerization ingave yega kana neunsaturated compound uye inowana kushandiswa mumaindasitiri epolymer.Kupfuurirazve, inoshandiswa mukugadzira bicyclic makomisheni epoxide-fused, halo makomisheni uye allenic alcohols.
3,4-Dihydro-2H-Pyran inoshandiswa zvakanyanya seOH Dziviriro reagent.Tetrahydropyran, pentanediol, Glutaric acid, valerolactone, pentadiene uye resin zvigadzirwa;Inogonawo kushandiswa semishonga yepakati;Inogonawo kushandiswa semishonga yepakati;Inogonawo kushandiswa sezvinonyungudutsa, organic synthesis intermediates;Inoshandiswa zvakanyanya kudzivirira mapoka ehydroxyl, kazhinji haaite neNucleophilic Reagents uye organometallic reagents, inoshingirira kune yakasimba alkali uye iri nyore kuchinja pasi pepasi pH kana Lewis acid mamiriro.Doro Group-protecting reagent;Inoshandiswa zvakanyanya reagent ye hydroxyl kudzivirira boka.
3,4-Dihydro-2H-Pyran (CAS: 110-87-2) inowanikwa nekuderedza mvura uye mhete yekuwedzera ye tetrahydrofurfuryl doro.
Moto unopfuta uye une ngozi zvikuru kana waiswa pakupisa kana murazvo;inogona kuita nesimba ne oxidzing zvinhu.Ramba kure nekupisa uye kuvhura murazvo.Kurwisa moto, shandisa doro furo, CO2, kana kemikari yakaoma.Kana ichipisa kuti iore inoburitsa utsi hweacrid uye inogumbura.
Chengetedza muimba yekuchengetera inotonhorera uye ine mhepo.Kure nemoto, kupisa sosi, anti-static.Tembiricha yekuchengeta haifanirwe kudarika 30 ℃.Inofanira kuchengetwa zvakasiyana kubva kune oxidant, uye kuchengetedza kwakasanganiswa hakufaniri kudziviswa.Kuputika-kuvheneka kwemwenje uye mhepo yekufefetera kuchagamuchirwa.Kushandiswa kwe spark-prone mechanical equipment uye maturusi kunorambidzwa.Imba yekuchengetera ichave yakashongedzerwa nemidziyo yekukurumidzira yekurapa yekudonha uye yakakodzera midziyo yemidziyo.