Zoo siab thiab xa khoom sai dua, muaj ntau kom muaj nuj nqis nrog ntau dua.
Yog tias koj muaj tau txais, txais tos kom hu rau peb txhua lub sijhawm.
| Hu Xov Xwm | |
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一. Kev piav txog
Khoom npe: tetrahydrofuran / Thf
Zog: Ua kua tsis muaj xim
Purity: 99.9%
CAS: 109-99-9
Mf: c4h8o
MW: 72.11
Einecs: 203-726-8
Melting taw tes: -108 ° C
BLAIL NTAM: 66 ° C
Nyem point:> 230 ° F
Ceev: 0.889 g / ml
HS code: 2932110000
Pob: 1 L / Lub raj mis, 25 L / Nruas, 200 l / Nruas
二. Kev qhia tshwj xeeb
| Cov khoom | Cov lus qhia |
| Kev tshwm sim | Colorless Pob tshab Kua |
| Xim (APHA) | 150 Cov Ntaub Ntawv |
| Kev coj dawb huv | ≥99.9% |
| Ywg dej | 00PPM |
| Peroxide | I≤0.003% |
三. Daim ntawv thov
1.as ib hom tshuaj tiv thaiv,TetrahydrofuranYog siv dav hauv cov txheej txheem sib tw sib xyaw, cov khaub hlab tiv thaiv, cov inks, extractants thiab kev kho kom muaj tawv nqaij dag.
2.Tetrahydrofuranyog ib qho tseem ceeb raw rau kev tsim cov ptmeg thiab cov kuab tshuaj tseem ceeb rau cov chaw lag luam tshuaj.
四 .Property
Tetrahydrofuranyog cov tsis muaj kob cov khoom siv nrog erether tsw ntxhiab. Nws yog mistible nrog dej, cawv, acetone, benzene, ester, ether, ether thiab hydrocarbon.
五 .handling thiab cia
1. Kev ceev faj rau kev tuav nyab xeeb
Zam kev sib cuag nrog tawv nqaij thiab qhov muag. Tsis txhob nqus pa ntawm vapor lossis mental.
Cia kom deb ntawm cov khoom siv ntawm ignition - tsis muaj haus luam yeeb.Thaum ntsuas los tiv thaiv kev txhim kho electrostatic
them.
2. Cov xwm txheej rau kev nyab xeeb, suav nrog kev ua tsis tiav
Khaws rau hauv qhov chaw txias. Kaw cov thawv kom nruj kom kaw hauv qhov chaw qhuav thiab zoo-ventilated. Cov thawv uas qhib yuav tsum tau ua tib zoo rov qab thiab khaws ncaj qha rau kev tiv thaiv tsis taus.
Cov chaw nyob qhuav yog tawg. Khw hauv qab roj av. Ntsuas rau peroxide tsim tsis tu ncua thiab ua ntej distillation.
Cia Chav Kawm (TRGS 510): Cov kua dej ntws
Lub Sijhawm Post: Jul-25-2022