N-hexane
1. Kev txheeb xyuas yooj yim
CAS Nr:.110‑54‑3
UN No.:1208, Chav Kawm 3 Flammable Liquid, Packing Group II, teev nyob rau hauv Cov Tshuaj Tiv Thaiv Kab Mob
Molecular Luj: 86.18
2. Physical & Chemical Properties (Pure Grade)
Tshab & tsw: Cov xim tsis muaj pob tshab kua nrog cov roj av faint -zoo li tsw; volatile heev
Kub taw tes: 68.7 degree; Melting point: -95.3 ° C
Qhov ceev: 0.660 g / cm³ (sib dua li dej, ntab saum dej); Vapor density ≈2.98 (hnyav dua li huab cua, nws yooj yim rau tsub zuj zuj ntawm cov av qis)
Solubility: Insoluble hauv dej; miscible nyob rau hauv tag nrho cov proportions nrog ethanol, acetone, ether, benzene thiab roj; zoo heev uas tsis yog{0}}polar hnyav
Cov ntaub ntawv kev nyab xeeb tseem ceeb
Kaw -kub flash point: −22℃(hnyav heev heev)
Flammability txwv (vol%):1.1%-7.5%, nquag tawg thaum qhib nplaim taws lossis hluav taws xob zoo li qub
Autoignition kub: 225 degree
Chemical Stability: Chemically inert ntawm ambient kub, ruaj khov tiv thaiv cov acids thiab alkalis;txwv tsis pub co- khaws cia nrog cov oxidants muaj zog (hydrogen peroxide, poov tshuaj permanganate, chlorate thiab lwm yam); swells thiab corrodes cov pa roj hmab thiab cov ntaub ntawv yas.
3. Kev siv tseem ceeb hauv kev lag luam
(1) Food Grade n-Hexane
Extraction hnyav rau edible roj (soybean, rapeseed, txiv laum huab xeeb roj ntau lawm); qis boiling point yooj yim tshem tawm cov kuab tshuaj los ntawm distillation; dav saws rau edible roj refining ib lub teb chaws tus qauv; purification ntawm cov roj yam tseem ceeb thiab tsiaj & nroj rog rog.
(2) Precision Degreasing & Ntxuav (Qhov loj tshaj plaws noj)
Degreasing tu rau PCB, semiconductors, precision hardware thiab optical lo ntsiab muag (zero residue tom qab evaporation, lwm txoj rau benzene solvents); diluent rau luam ntawv number case, khau khau khiab (cov ntsiab lus tseem ceeb ntawm cov pob zeb hauv av dawb).
(3) Kev siv tshuaj lom neeg & kuaj
Polymerization hnyav rau propylene; GC / HPLC chromatographic reagent; raw khoom rau organic synthesis; thinner rau txheej & number case.
(4) Kev lag luam Petrochemical
Feedstock rau isomerization mus rau siab -octane roj av sib xyaw ua ke.
4. Kev phom sij rau kev noj qab haus huv (Lub Ntsiab Lus: Ua rau Neurotoxicity)
Txoj kev nqus: nqus pa, nkag mus rau hauv lub qhov ncauj thiab qhov ncauj qhov ncauj.Occupational exposure limit (China GB): PC-TWA: 100 mg/m³, PC-STEL: 180 mg/m³, marked with "Skin" (tseem ceeb percutaneous absorption).
Mob Ntshav Qab Zib (Short-lub sij hawm siab-concentration exposure)
kiv taub hau, xeev siab, tsaug zog / tshuaj loog, khaus ntawm qhov muag thiab ua pa; Kev noj zaub mov ntau nrog kev ua pa tuaj yeem ua rau muaj tshuaj lom neeg mob ntsws thiab txawm tias muaj mob hnyav.
Cov tshuaj lom neeg mob ntev (ntev-lub sij hawm qis- theem raug, kab mob ua haujlwm nyob rau hauv khau & hluav taws xob factories)
Irreversible peripheral paj puas: limbness, tingling mob, qis qis qis qis, cov leeg nqaij atrophy thiab taug kev tsis ua haujlwm, raug kev ua haujlwm raug mob tshwm sim los ntawm n-hexane.
Dermal Hazard:
Kev sib cuag ntev ua rau tawv nqaij defatting, chapping thiab dermatitis; tshuaj lom rau cov kab mob hauv dej, cais raws li HW06 pov tseg phom sij.
5. Kev cia khoom, kev thauj mus los & PPE yuav tsum tau ua
Cia
Txias, cua thiab tawg- pov thawj warehouse; kom deb ntawm tshav kub, qhib nplaim taws thiab oxidants; impermeable flooring nrog anti-static earthing; txwv tsis pub tso dej ncaj qha mus rau qhov kav dej.
Kev Tiv Thaiv Tus Kheej
Kaw cov txheej txheem nrog yuam kev rhiav qhov cua; hnav cov pa roj carbon monoxide, nitrile hnyav-cov hnab looj tes tiv thaiv thiab tsom iav kev nyab xeeb; zam lub sijhawm ntev liab qab - tes immersion.
Cov lus teb
Kev nchuav me me: nqus nrog cov xuab zeb thiab sib sau ua cov khib nyiab pov tseg; Cov dej nchuav loj: cais tag nrho cov khoom siv hluav taws xob, tsim cov pob zeb kom tiv thaiv kom tsis txhob ntws mus rau hauv cov kav dej lossis dej.
Kev tua hluav taws
Cov hmoov qhuav qhuav, ua npuas ncauj thiab CO₂ yog siv tau;Tsis txhob tsuag dej ncaj qha rau kev tua hluav taws (floating kua kis hluav taws).
6. GHS Hazard Statements
Kev Nyab Xeeb Kev Nyab Xeeb: Qeb 2 Flammable Liquid, Qeb 2 Daim tawv nqaij Irritant, rov ua dua ua rau cov hlab ntsha puas, tuag taus yog tias nqus tau, muaj teeb meem rau cov dej hauv dej.
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Cim npe nrov: N-Hexane CAS 110-54-3 Solvent, Tuam Tshoj N-Hexane CAS 110-54-3 Solvent manufacturers, lwm tus neeg, Hoobkas
