Tom ntej: Tetrahydrofuran THF 109-99-9
Zoo siab thiab xa khoom sai, ntau kom muaj nuj nqis nrog luv nqi ntxiv.
Yog tias koj muaj kev xav tau, txais tos hu rau peb txhua lub sijhawm.
| Hu Xov Xwm | |
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Ib.Kev piav qhia
Khoom npe: Tetrahydrofuran / THF
Cov tsos mob: tsis muaj xim tsis muaj kua
Purity: 99.9%
CAS: 109-99-9 Nr
MF: C4H8O
PIB: 72.11
PIB: 203-726-8
Melting point: -108 ° C
Kub taw tes: 66 ° C
Flash point:> 230 ° F
Qhov ceev: 0.889 g / ml
PIB: 2932110000
Pob: 1L / lub raj mis, 25L / nruas, 200L / nruas
二.Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Colorless pob tshab kua |
| Xim (APHA) | ≤10 |
| Purity | ≥99.9% |
| Dej | ≤100ppm |
| Peroxide | ≤ 0.003% |
ḉ.Daim ntawv thov
1.Ua ib qho hnyav hnyav,Tetrahydrofuranyog dav siv nyob rau hauv deg txheej, tiv thaiv txheej, inks, extractants thiab nto kho cov tawv nqaij.
2.Tetrahydrofuranyog ib qho tseem ceeb raw khoom rau zus tau tej cov PTMEG thiab lub ntsiab hnyav rau kev lag luam kws tshuaj.
四.Property
Tetrahydrofuranyog xim tsis muaj pob tshab kua nrog ether tsw.Nws yog miscible nrog dej, cawv, acetone, benzene, ester, ether thiab hydrocarbon.
五.Handling and Storage
1. Kev ceev faj rau kev nyab xeeb
Tsis txhob kov ntawm daim tawv nqaij thiab qhov muag.Tsis txhob nqus pa los yog huab cua.
Khaws kom deb ntawm qhov chaw ntawm qhov hluav taws kub - Tsis txhob haus luam yeeb.Ua ntsuas los tiv thaiv kev tsim ntawm electrostatic
nqi.
2. Tej yam kev mob rau kev ruaj ntseg cia, nrog rau tej yam incompatibilities
Khaws rau hauv qhov chaw txias.Khaws lub thawv kaw kom nruj rau hauv qhov chaw qhuav thiab qhov cua zoo.Cov thawv ntim uas tau qhib yuav tsum tau ua tib zoo muab rov qab thiab khaws cia kom ruaj kom tsis txhob xau.
Qhuav residue yog tawg.Khaws nyob rau hauv inert gas.Ntsuas peroxide tsim ib ntus thiab ua ntej distillation.
Cov chav kawm cia (TRGS 510): Cov kua ua kua
Post lub sij hawm: Lub Xya hli ntuj-25-2022