3,4-Dihydro-2H-Pyran (DHP) CAS 110-87-2 Purity > 99.0% (GC)

Lus piav qhia luv luv:

Lub npe tshuaj: 3,4-Dihydro-2H-Pyran

Synonyms: DHP;Dihydropyran

CAS: 110-87-2 Nr

Purity:> 99.0% (GC)

Qhov tsos: Xim tsis muaj kua ntshiab

Siv ua Hydroxyl-Protecting Reagent hauv Organic Synthesis

Hu rau: Dr. Alvin Huang

Txawb/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

Xa email rau peb

Product Detail

Yam khoom

Khoom cim npe

Nqe lus piav qhia:

Ruifu Chemical yog cov chaw tsim khoom ntawm 3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) nrog cov khoom zoo, dav siv los ua hydroxyl-tiv thaiv reagent hauv organic synthesis.Ruifu muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, me me thiab ntau ntau muaj.Yuav 3,4-Dihydro-2H-Pyran,Please contact: alvin@ruifuchem.com

Chemical Properties:

Tshuaj npe	3,4-Dihydro-2H-Pyran
Synonyms	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
Tshuag xwm txheej	Hauv Tshuag, Kev Lag Luam Ntau Lawm
CAS Nr	110-87-2 ib
Molecular Formula	c5h8 ua
Molecular Luj	84,12 g / mol
Melting Point	-70 ℃ (lit.)
Boiling Point	86 ℃ (lit.)
Flash Point	-6 ℃
Qhov ntom	0.922 g / mL ntawm 25 ℃ (lit.)
Refractive Index n20/D	1.440 hli (lit.)
Dej Solubility	20g / L (20 ℃)
Hazard Class	3;Flammable kua
COA & MSDS	Muaj
Qauv	Muaj
Keeb kwm	Shanghai, Suav
Hom	Ruifu Tshuaj

Specifications:

Cov khoom	Kev soj ntsuam Standards	Cov txiaj ntsig
Qhov tshwm sim	Colorless Clear kua	Colorless Clear kua
Purity / Analysis Method	> 99.0% (GC)	99.33%
Dej los ntawm Karl Fischer	<0.30%	0.28%
Tetrahydropyran	<1.50%	0.62%
Qhov ceev (20 ℃)	0.925 ~ 0.933 hli	Ua raws
Refractive Index n20/D	1.440-1.443 Nws	Ua raws
Infrared Spectrum	Raws li tus qauv	Ua raws
Xaus	Cov khoom tau raug kuaj thiab ua raws li cov lus qhia tshwj xeeb

Pob / Cia /Shipping:

Pob:Lub raj mis, 25kg / Nruas, 180kg / Nruas, lossis raws li cov neeg siv khoom xav tau.
Cia:Khaws lub thawv kaw kom nruj.Khaws rau hauv qhov chaw txias, qhuav, zoo-ventilated warehouse kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.Incompatible nrog oxidizing tus neeg sawv cev, muaj zog acids thiab cawv.
Shipping:Xa mus thoob ntiaj teb los ntawm huab cua, los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.

Qhov zoo:

Muaj peev xwm txaus: Muaj cov chaw txaus thiab cov kws tshaj lij

Kev Pabcuam Kev Ua Haujlwm: Ib qho kev pabcuam kev yuav khoom

Pob OEM: Kev cai pob thiab daim ntawv lo muaj

Kev xa khoom sai: Yog tias nyob hauv Tshuag, peb hnub xa khoom lav

Stable Supply: Khaws cov khoom tsim nyog

Kev them nyiaj yug Technical: Technology tov muaj

Kev Pabcuam Synthesis: Ntau yam ntawm grams mus rau kilos

High Quality: Tsim kom muaj kev ruaj ntseg zoo

FAQ:

Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.

110-87-2 - Cov Lus Qhia Txog Kev Nyab Xeeb:

Risk Codes R11 - Flammable heev
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R36/38 - Kab mob rau qhov muag thiab tawv nqaij.
R19 - Tej zaum yuav tsim cov peroxides tawg
Kev Nyab Xeeb Kev Nyab Xeeb S16 - Khaws kom deb ntawm qhov chaw hluav taws kub.
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S33 - Siv cov kev tiv thaiv kev tiv thaiv zoo li qub.
S7/9 -
UN IDs UN 2376 3/PG 2
WGK Germany 3
RTECS UP7700000
TSCA Yes
HS Code 2932999099
Daim Ntawv Ceeb Toom Txaus Ntshai Heev / Tsis Txaus Siab
Hazard Class 3
Packing Group II
Toxicity LD50 qhov ncauj hauv Luav:> 4000 mg / kg

110-87-2 - Daim Ntawv Thov:

3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) yog siv los ua hydroxyl-tiv thaiv reagent hauv organic synthesis.Nws ua raws li qhov nruab nrab hauv cov khoom siv hluavtaws.Nws yog siv los tiv thaiv ntau pawg reactive functional.Nws koom nrog hauv cov tshuaj tiv thaiv polymerization ib leeg lossis nrog cov khoom siv tsis zoo thiab pom cov ntawv thov hauv kev lag luam polymer.Tsis tas li ntawd, nws yog ua haujlwm nyob rau hauv kev npaj ntawm bicyclic compounds ntawm epoxide-fused, halo compounds thiab allenic alcohols.
3,4-Dihydro-2H-Pyran yog dav siv los ua OH tiv thaiv reagent.Tetrahydropyran, pentanediol, Glutaric acid, valerolactone, pentadiene thiab resin khoom;Kuj tseem siv tau ua cov tshuaj intermediates;Kuj tseem siv tau ua cov tshuaj intermediates;Kuj tseem siv tau los ua cov kuab tshuaj, cov organic synthesis intermediates;Dav siv rau kev tiv thaiv ntawm pawg hydroxyl, feem ntau tsis hnov mob nrog Nucleophilic Reagents thiab organometallic reagents, nws yog resistant rau muaj zog alkali thiab yooj yim hloov nyob rau hauv qis pH los yog Lewis acid tej yam kev mob.Cawv pawg-tiv thaiv reagent;Dav siv reagent rau hydroxyl pab pawg tiv thaiv.

110-87-2 - Txheej Txheem:

3,4-Dihydro-2H-Pyran (CAS: 110-87-2) yog tau los ntawm lub cev qhuav dej thiab lub nplhaib nthuav dav ntawm tetrahydrofurfuryl cawv.

110-87-2 - Kev Nyab Xeeb Profile:

Cov nplaim hluav taws kub hnyiab thiab muaj kev phom sij heev thaum raug tshav kub lossis nplaim taws;tuaj yeem cuam tshuam nrog cov khoom siv oxidizing.Khaws kom deb ntawm tshav kub thiab qhib nplaim taws.Txhawm rau tua hluav taws, siv cawv ua npuas ncauj, CO2, lossis tshuaj qhuav qhuav.Thaum rhuab mus rau decomposition nws emissions pa luam yeeb thiab irritating.

110-87-2 - Txoj Kev Cia:

Khaws nyob rau hauv ib lub warehouse txias thiab ventilated.Nyob deb ntawm hluav taws, qhov chaw tshav kub, anti-static.Cia kub yuav tsum tsis pub tshaj 30 ℃.Nws yuav tsum tau muab cais tawm ntawm cov oxidant, thiab sib xyaw cia yuav tsum tsis txhob zam.Cov khoom tawg-pov thawj teeb pom kev zoo thiab qhov cua tshuab yuav tsum tau txais.Kev siv cov khoom siv hluav taws xob thiab cov cuab yeej siv hluav taws xob raug txwv.Lub chaw cia khoom yuav tsum tau nruab nrog cov cuab yeej kho mob thaum muaj xwm txheej ceev rau cov dej xau thiab cov khoom ntim khoom tsim nyog.