2,5-Dimethoxytetrahydrofuran CAS 696-59-3 Purity > 99.0% (GC) Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 2,5-Dimethoxytetrahydrofuran (CAS: 490-46-0) nrog cov khoom zoo.Ruifu Chemical tuaj yeem muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, kev pabcuam zoo heev, me me thiab ntau ntau muaj.Yuav 2,5-Dimethoxytetrahydrofuran,Please contact: alvin@ruifuchem.com
| Tshuaj npe | 2,5-Dimethoxytetrahydrofuran (cis- thiab trans- sib tov) |
| Synonyms | DMTHF;Tetrahydro-2,5-Dimethoxyfuran (cis- thiab trans- sib tov) |
| Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Ntau Lawm |
| CAS Nr | 490-46-0 : kuv |
| Molecular Formula | C6H12O3 |
| Molecular Luj | 132.16 g / mol |
| Melting Point | -45 ℃ |
| Boiling Point | 145.0 ~ 147.0 ℃ (lit.) |
| Flash Point | 35 ℃ (95 ° F) |
| Qhov ntom | 1.023 g / mL ntawm 20 ℃ (lit.) |
| Refractive Index n20/D | 1.418 ib |
| rhiab heev | Cua & Lub teeb Sensitive |
| Solubility (Muscible nrog) | Methanol, Diethyl Ether thiab Tetrahydrofuran |
| COA & MSDS | Muaj |
| Qauv | Muaj |
| Keeb kwm | Shanghai, Suav |
| Hom | Ruifu Tshuaj |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Ntshiab Colourless Liquid | Ntshiab Colourless Liquid |
| Purity / Analysis Method | > 99.0% (GC) (Sum ntawm isomers) | 99.9% |
| Dej los ntawm Karl Fischer | <0.50% | 0.10% |
| Tus kheej Unknown Impurity | <0.50% | 0.04% |
| Qhov ceev (20 ℃) | 1.023-1.027 Nws | Ua raws |
| Refractive Index n20/D | 1.416-1.419 Ib | Ua raws |
| Infrared Spectrum | Raws li tus qauv | Ua raws |
| GC-MS rau kev txheeb xyuas | Ua raws | Ua raws |
| Xaus | Cov khoom tau raug kuaj & ua raws li cov lus qhia tshwj xeeb | |
Pob:Fluorinated Fwj, 25kg / Nruas, 200kg / Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws lub thawv kaw kom nruj thiab khaws cia rau hauv qhov chaw txias, qhuav thiab zoo-ventilated warehouse.Tiv thaiv los ntawm lub teeb thiab noo noo.Incompatible nrog muaj zog oxidizing neeg sawv cev thiab muaj zog acids.
Shipping:Xa mus thoob ntiaj teb los ntawm huab cua, los ntawm hiav txwv, los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
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.
Risk Codes
R10 - Flammable
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R36 - Khau qhov muag
R20/21 - Ua phem los ntawm kev nqus pa thiab sib cuag nrog daim tawv nqaij.
Kev nyab xeeb piav qhia
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.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
UN IDs UN 1993 3/PG 3
WGK Germany 1
TSCA Yes
HS Code 2932190090
Hazard Class 3
Packing Group III
Toxicity LD50 qhov ncauj hauv Luav: 2040 mg / kg
2,5-Dimethoxytetrahydrofuran (CAS: 490-46-0) yog tetrahydrofuran derivative uas pom daim ntawv thov hauv kev tshawb fawb proteomics thiab hauv cov organic synthesis.Nws kuj yog siv los ua ib qho nruab nrab rau atropine sulfate, uas yog ib qho tshuaj anticholinergic.Tsis tas li ntawd, nws ua raws li lub hauv paus ntawm butanediol.Ntxiv rau qhov no, nws yog siv los ua cov duab tawv tawv thiab ua cov tshuaj tua kab mob hauv cov tshuaj.
2,5-Dimethoxytetrahydrofuran yog cov khoom siv raw rau kev sib txuas ntawm tropin ketone.Hauv cov txheej txheem tsim khoom ntawm tobinone, succinaldehyde tau los ntawm hydrolysis ntawm 2,5-Dimethoxytetrahydrofuran yog ib qho ntawm cov khoom siv raw rau kev sib txuas ntawm tobinone.
