N-Propanol: Ib qho khoom siv tshuaj lom neeg tseem ceeb
Cov Ntawv Thov Tseem Ceeb
Hauv kev lag luam tshuaj lom neeg, n-propanol yog ib qho tseem ceeb hauv kev tsim cov organic. Nws tuaj yeem siv los tsim ntau yam tshuaj, xws li acrylic acid, acrylate compounds, propyl acetate, propyl urea, thiab bromopropane. Cov tshuaj no siv dav hauv kev tsim cov yas, cov tshuaj pleev xim, cov nplaum, cov tshuaj tsw qab, thiab cov khoom noj ntxiv. Piv txwv li, acrylic acid thiab nws cov esters yog cov khoom siv tseem ceeb rau kev tsim cov tshuaj pleev xim thiab cov nplaum ua haujlwm siab; propyl acetate feem ntau siv hauv kev lag luam organic synthesis thiab cov kuab tshuaj ua cov kuab tshuaj kub. Tsis tas li ntawd, n-propanol tuaj yeem qhuav dej los tsim propylene, uas yog cov khoom siv tseem ceeb rau kev tsim cov yas polypropylene.
Hauv kev lag luam tshuaj, n-propanol siv los tsim ntau yam tshuaj intermediates. Piv txwv li, probenecid, uas siv los kho gout, muaj n-propanol ua ib qho tseem ceeb hauv nws cov synthesis; valproate sodium, ib qho tshuaj antiepileptic, kuj vam khom n-propanol hauv nws cov txheej txheem tsim khoom. Tsis tas li ntawd, n-propanol siv ua cov tshuaj yaj rau cov tshuaj, tshwj xeeb tshaj yog hauv kev tsim cov tshuaj txhaj thiab cov kua dej hauv qhov ncauj. Nws tuaj yeem yaj ntau yam tshuaj uas yaj tsis tau zoo, ua kom cov tshuaj ruaj khov thiab bioavailability zoo dua.
Hauv cov tshuaj pleev ib ce thiab cov khoom siv tu tus kheej, n-propanol feem ntau siv ua cov tshuaj yaj. Nws tuaj yeem yaj ntau yam khoom xyaw, tshuaj tsw qab, thiab cov xim, pab cov khoom no kom tawg zoo dua hauv cov khoom. Piv txwv li, hauv kev tsim tshuaj tsw qab, n-propanol tuaj yeem siv ua cov tshuaj yaj kom faib cov tshuaj tsw qab sib npaug, ua kom lub tshuaj tsw qab siv tau ntev thiab ruaj khov. Tsis tas li ntawd, n-propanol tuaj yeem siv ua tshuaj tua kab mob rau kev ntxuav thiab tua kab mob hauv tsev kho mob, chaw soj nstuam, thiab tsev neeg. Nws muaj cov nyhuv tua kab mob zoo, tuaj yeem tua cov kab mob thiab cov kab mob, thiab muaj qhov hloov pauv me ntsis, tsis muaj cov khoom seem tom qab siv.
Hauv cov tshuaj ntxuav thiab cov roj, n-propanol siv los tsim cov kua nres. Nws muaj kev yaj zoo thiab lubricity, txo qhov kev sib txhuam hauv cov tshuab nres thiab txhim kho kev ua haujlwm ntawm nres. Tsis tas li ntawd, n-propanol tuaj yeem siv ua cov roj ntxiv rau hauv cov roj sib xyaw kom txhim kho kev ua haujlwm ntawm kev sib xyaw. Piv txwv li, ntxiv me ntsis n-propanol rau roj av tuaj yeem txhim kho nws cov khoom tiv thaiv kev sib tsoo thiab kev ua haujlwm ntawm kev sib xyaw thaum txo cov pa phem.
Cov khoom siv tshuaj lom neeg ntawm n-propanol ua rau nws yog cov khoom siv tshuaj lom neeg uas siv tau ntau yam. Nws muaj kev yaj zoo thiab tuaj yeem sib xyaw nrog dej, cawv, ethers, thiab ntau lwm yam kuab tshuaj. Nrog rau qhov kub npau ntawm 97.2 ° C thiab qhov kub yaj ntawm -127 ° C, n-propanol muaj tshuaj lom tsawg tab sis tuaj yeem ua rau khaus rau lub qhov muag, txoj hlab pa, thiab daim tawv nqaij ntawm qhov ntau. Yog li ntawd, thaum siv thiab khaws cia, cov khoom siv tiv thaiv tsim nyog yuav tsum tau hnav kom tsis txhob kov daim tawv nqaij thiab qhov muag, thiab yuav tsum tau tswj qhov cua zoo.
Hauv kev lag luam tshuaj, n-propanol siv los tsim ntau yam tshuaj intermediates. Piv txwv li, probenecid, uas siv los kho gout, muaj n-propanol ua ib qho tseem ceeb hauv nws cov synthesis; valproate sodium, ib qho tshuaj antiepileptic, kuj vam khom n-propanol hauv nws cov txheej txheem tsim khoom. Tsis tas li ntawd, n-propanol siv ua cov tshuaj yaj rau cov tshuaj, tshwj xeeb tshaj yog hauv kev tsim cov tshuaj txhaj thiab cov kua dej hauv qhov ncauj. Nws tuaj yeem yaj ntau yam tshuaj uas yaj tsis tau zoo, ua kom cov tshuaj ruaj khov thiab bioavailability zoo dua.
Hauv cov tshuaj pleev ib ce thiab cov khoom siv tu tus kheej, n-propanol feem ntau siv ua cov tshuaj yaj. Nws tuaj yeem yaj ntau yam khoom xyaw, tshuaj tsw qab, thiab cov xim, pab cov khoom no kom tawg zoo dua hauv cov khoom. Piv txwv li, hauv kev tsim tshuaj tsw qab, n-propanol tuaj yeem siv ua cov tshuaj yaj kom faib cov tshuaj tsw qab sib npaug, ua kom lub tshuaj tsw qab siv tau ntev thiab ruaj khov. Tsis tas li ntawd, n-propanol tuaj yeem siv ua tshuaj tua kab mob rau kev ntxuav thiab tua kab mob hauv tsev kho mob, chaw soj nstuam, thiab tsev neeg. Nws muaj cov nyhuv tua kab mob zoo, tuaj yeem tua cov kab mob thiab cov kab mob, thiab muaj qhov hloov pauv me ntsis, tsis muaj cov khoom seem tom qab siv.
Hauv cov tshuaj ntxuav thiab cov roj, n-propanol siv los tsim cov kua nres. Nws muaj kev yaj zoo thiab lubricity, txo qhov kev sib txhuam hauv cov tshuab nres thiab txhim kho kev ua haujlwm ntawm nres. Tsis tas li ntawd, n-propanol tuaj yeem siv ua cov roj ntxiv rau hauv cov roj sib xyaw kom txhim kho kev ua haujlwm ntawm kev sib xyaw. Piv txwv li, ntxiv me ntsis n-propanol rau roj av tuaj yeem txhim kho nws cov khoom tiv thaiv kev sib tsoo thiab kev ua haujlwm ntawm kev sib xyaw thaum txo cov pa phem.
Cov khoom siv tshuaj lom neeg ntawm n-propanol ua rau nws yog cov khoom siv tshuaj lom neeg uas siv tau ntau yam. Nws muaj kev yaj zoo thiab tuaj yeem sib xyaw nrog dej, cawv, ethers, thiab ntau lwm yam kuab tshuaj. Nrog rau qhov kub npau ntawm 97.2 ° C thiab qhov kub yaj ntawm -127 ° C, n-propanol muaj tshuaj lom tsawg tab sis tuaj yeem ua rau khaus rau lub qhov muag, txoj hlab pa, thiab daim tawv nqaij ntawm qhov ntau. Yog li ntawd, thaum siv thiab khaws cia, cov khoom siv tiv thaiv tsim nyog yuav tsum tau hnav kom tsis txhob kov daim tawv nqaij thiab qhov muag, thiab yuav tsum tau tswj qhov cua zoo.
Cov Lus Qhia Tshwj Xeeb
| Lub Npe Khoom | N-propanol | |||||||||
| MF | C3H8O | |||||||||
| Qhov tsos | Cov kua nplaum tsis muaj xim | |||||||||
| Chav Kawm Txog Kev Phom Sij | 3 | |||||||||
| Kev dawb huv | 99.5% Min | |||||||||
| MW | 60.1 | |||||||||
| CAS TSIS MUAJ | 71-23-8 | |||||||||
| Tus lej HS | 29094100 | |||||||||
| EINECS TSIS MUAJ | 200-746-9 | |||||||||
| Tsis yog | 1274 | |||||||||
| Daim Ntawv Thov | Cov kuab tshuaj, tshuaj tsw qab, tshuaj nruab nrab | |||||||||
Daim Ntawv Tswj Xyuas Zoo
| Lub Npe Khoom | Cawv N-Propyl | ||||||
| Khoom | Cov Lus Qhia Tshwj Xeeb | Cov txiaj ntsig | |||||
| Qhov Ceev (p20°C)/g/cm3 | 0.795~0.805 | 0.802 | |||||
| n-propanol cov ntsiab lus /% ≥ | 99.5 | 99.9 | |||||
| Dej /% ≤ ≤ | 0.1 | 0.02 | |||||
| HaZen≤ | 10 | 5 | |||||
| Acidity (raws li acetic acid) /% ≤ | 0.003 | 0.001 | |||||
Hauv kev xaus lus
Hauv kev xaus lus, n-propanol, ua ib qho khoom siv organic ntau yam, ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw. Nrog rau kev nce qib ntawm thev naus laus zis thiab kev nthuav dav ntawm thaj chaw thov, qhov kev thov ua lag luam rau n-propanol yuav txuas ntxiv mus. Yav tom ntej, kev cia siab rau daim ntawv thov rau n-propanol yuav dav dua, tshwj xeeb tshaj yog nyob rau hauv thaj chaw ntawm kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov, qhov twg n-propanol yuav dhau los ua cov khoom siv tshuaj ntsuab tseem ceeb.