n-Hexane C6H14 CAS 110-54-3: Cov ntaub ntawv dav dav
Q1. N-Hexane yog dab tsi?
A1. n-Hexane yog cov kua tsis muaj xim tsis muaj xim hydrocarbon nrog cov tshuaj formula C6H14. Nws yog feem ntau siv los ua cov kuab tshuaj hauv ntau qhov kev lag luam, suav nrog kev tsim tshuaj lom neeg, tshuaj, thiab hluav taws xob.
Q2. Dab tsi yog cov ntawv thov tseem ceeb ntawm n-Hexane?
A2. n-Hexane feem ntau yog siv los rho cov roj los ntawm zaub, noob, thiab txiv ntoo. Nws kuj yog siv los ua tus neeg saib xyuas thiab degreaser thiab ua ib feem hauv kev tsim cov nplaum, roj hmab cement, thiab qee yam txheej.
Q3. Puas yog n-Hexane muaj kev phom sij rau kev noj qab haus huv?
A3. Yog lawm, n-Hexane tuaj yeem ua rau muaj kev phom sij yog tias tsis ua haujlwm zoo. Nws yog cov kua dej uas muaj hluav taws kub heev thiab tuaj yeem ua rau daim tawv nqaij, qhov muag, thiab ua pa thaum sib cuag lossis nqus pa. Kev kis tau ntev los yog kev noj haus yuav ua rau muaj kev noj qab haus huv ntau dua. Ua raws li kev ceev faj txog kev nyab xeeb thiab cov lus qhia yog qhov tseem ceeb thaum ua haujlwm nrog n-Hexane.
Q4. Puas muaj cov kev cai lossis cov qauv kev nyab xeeb rau kev tuav n-Hexane?
A4. Yog lawm, cov cai thiab cov qauv kev nyab xeeb yuav tsum ua raws li thaum ua haujlwm nrog n-Hexane. Cov no suav nrog cov txheej txheem khaws cia, tuav, thiab pov tseg kom raug. Nws yog ib qho tseem ceeb rau kev sab laj cov cai hauv zos thiab cov lus qhia kom ua raws li kev ntsuas kev nyab xeeb.
Q5. Dab tsi yuav tsum tau ceev faj txog kev nyab xeeb thaum siv n-Hexane?
A5. Thaum ua haujlwm nrog n-Hexane, siv cov cuab yeej tiv thaiv tus kheej tsim nyog (PPE) xws li hnab looj tes, tsom iav kev nyab xeeb, thiab kev tiv thaiv ua pa yog qhov tseem ceeb. Xyuas kom muaj qhov cua kom zoo hauv qhov chaw ua haujlwm kom txo tau qhov kev pheej hmoo ntawm kev nqus pa. Khaws thiab tuav n-Hexane kom deb ntawm cov nplaim taws lossis qhov chaw cua sov, vim nws yog cov nplaim taws heev.
Q6. Cov kev xaiv ntim dab tsi muaj rau n-Hexane?
A6. Peb muab n-Hexane nyob rau hauv ntau yam kev xaiv ntim kom haum rau cov neeg siv khoom sib txawv. Cov no suav nrog cov nruas, cov thawv ntim nruab nrab (IBCs), thiab cov khoom xa tuaj ntau. Thov hu rau peb pab neeg muag khoom kom paub ntxiv txog kev ntim khoom thiab kev xaiv xa khoom.
| Cov yam ntxwv ntawm Hexane | ||
|---|---|---|
| Synonyms | n-Hexane | |
| CAS Nr. | 110-54-3 | |
| Tshuaj formula | C6H14 | |
| Vapor ntom ntom | 2.97 (cua=1) | |
| Safe Work Australia ES | TWA | 20 ppm |
| STEL | -- | |
| Flammable txwv | LEL | 1.0% ntawm qhov ntim |
| UEL | 8.9% ntawm qhov ntim | |
| Chemical/physical Properties | Hexane yog dab tsi hu ua qhov qis - boiling point (68.9℃) hydrocarbon. Nyob rau hauv chav tsev kub, nws yog ib tug colourless, volatile kua nrog ib tug faint tsw feem ntau tsis detectabtable los ntawm tsw qab 130 ppm. Hexane vapor yog heev flammable. | |
| Cov khoom muaj kev phom sij | Ntxiv rau qhov ua rau khaus, hexane tau pom tias muaj cov teebmeem neurotoxic ua rau peripheral loog, leeg tsis muaj zog, mob taub hau, xeev siab thiab kiv taub hau yog tias nqus tau los yog nqus los ntawm daim tawv nqaij. | |
| Ua cov nplaim taws thiab hnyav dua li huab cua, hexane tuaj yeem taug kev hauv av (lossis ntab saum dej hauv qhov ntws). Yog tias ignited, nws tuaj yeem rov qab mus rau qhov chaw ntawm qhov nchuav. Tsis tas li ntawd, vim nws tsis tshua muaj hluav taws xob conductivity, nws tuaj yeem tsim cov nqi hluav taws xob tau yooj yim. | ||
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