Lwm lub npe rau tetrahydrofuran (cas 109-99-9) yog dab tsi?

Tetrahydrofuran THF (CAS 109-99-9) yog dab tsi?

Tetrahydrofuran (THF) CAS 109-99-9yog ib hom heterocyclic organic compound. Nws yog ib qho ntawm cov polar ethers uas muaj zog tshaj plaws thiab yog siv los ua cov kuab tshuaj nruab nrab hauv cov tshuaj tiv thaiv thiab kev rho tawm. Nws yog xim tsis muaj xim, ntshiab kua nrog ib qho ether -zoo li tsw. THF muaj qhov sib txheeb ntom ntom ntawm 0.89, qhov hnyav ntawm molecular ntawm 72.11, lub ntsiab lus melting ntawm -108.5 degree, qhov kub ntawm 66 degree, qhov taw tes ntawm -17.2 degree, thiab qhov taw tes ntawm tus kheej ntawm 321.1 degree. Nws refractive index yog 1.407.

Lwm lub npe rau tetrahydrofuran (cas 109-99-9) yog dab tsi?

1. THF: Cov ntawv luv tshaj plaws
2. Oxolane
3. Tetramethylene oxide
4. Butylene oxide
5. Oxacyclopentane yog ib qho kev kho mob
6. 1,4-Epoxybutane hmoov

Dab tsi yog Cov Khoom Ntawm Tetrahydrofuran (CAS 109-99-9)?

Physical & Chemical Properties:

Kub taw tes: 65-67 degree

Qhov ceev: ~ 0.88 g / cm³ ntawm 25 degree

Solubility: Tag nrho miscible nrog dej, cawv, thiab ntau cov kuab tshuaj organic

Viscosity: Tsawg viscosity (0.48 cP ntawm 25 degree)

Refractive Index: 1.405 – 1.407

Flash Point: -17℃(1℃F) (Flammable heev)

Vapor Siab: 162 mmHg ntawm 20 degree

Biodegradability: Yooj yim biodegradable raws li tus qauv txheej txheem

Mechanical & Stability Properties:

Combustibility: Cov kua ua kua thiab vapor heev

Oxidation Stability: Cov ntaub ntawv peroxides dhau sijhawm; yuav tsum tau khaws cia nrog stabilizers

evaporation tus nqi: siab; evaporates sai sai nyob rau hauv ambient tej yam kev mob

Tiv tauj peb tam sim no rau qhov kev tsocai tshiab kawg; peb lav tus nqi sib tw kiag li!

Qhov twg yuav Tetrahydrofuran THF?

Gneebioyog ib lub chaw muag khoom ntawmCAS Nr 109-99-9 THF Solvent. Peb lav qhov zoo ib yam, tus nqi sib tw, thiab txhim khu kev xa khoom thoob ntiaj teb kom koj cov haujlwm ua haujlwm tau zoo. Rau ib qho kev txiav txim zoo thiab cov khoom specifications, hu rau peb hnub no los tham txog koj cov kev xav tau.

Nyem Kom Thov Ib Daim Ntawv Tso Cai

txog peb

Henan Gneebiotau tsim nyob rau hauv 2016, ua raws li lub koom haum lub tswv yim ntawm "cov khoom siv tshuaj lom neeg thoob ntiaj teb" thiab tsom mus rau siab -kev lag luam tshuaj lom neeg zoo. Lub tuam txhab feem ntau cuam tshuam cov khoom siv tshuaj lom neeg, xws li dichloromethane; methyl sulfoxide DMSO ( qib kev lag luam thiab kws tshuaj); ethylene glycol (MEG); p-Xylene, thiab lwm yam.

Tag nrho peb cov khoom siv tshuaj tau txais cov ntawv pov thawj thoob ntiaj teb suav nrog REACH, ISO, FMQS, HALAL, thiab Halal ntawv pov thawj, kom ntseeg tau tias zoo thiab kev lees paub thoob ntiaj teb, Peb muaj cov tsev khaws khoom hauv coreports xws li Qingdao, Tianiin, thiab Shanghai, nrog rau 15-hnub kev xa khoom xa tuaj.

Ntim