Acetonitrile (CAS NO. 75-05-8): Txheej txheem cej luam
Acetonitrile (CH3CN) yog nitrile uas yog hydrogen cyanide uas cov hydrogen tau hloov los ntawm ib pawg methyl. Nws muaj lub luag haujlwm ua tus polar aprotic hnyav thiab EC 3.5.
Nws yog dav siv los ua HPLC hnyav (siab- ua haujlwm ua kua chromatography mobile theem), nrog rau cov tshuaj tiv thaiv nruab nrab hauv cov organic synthesis thiab cov kuab tshuaj extraction hauv tshuaj thiab biochemical daim ntawv thov.
Molecular Structure ntawm Acetonitrile
Lub polarity ntawmacetonitrile (CAS NO. 75-05-8)yog muab los ntawm nws cov qauv molecular, uas muaj ib tug carbon atom, peb hydrogen atoms, thiab ib tug nitrogen atom.
Lub nitrogen atom yog txuam nrog peb electron khub uas tsim ib tug trigonal pyramidal electron kev npaj, uas ua rau ib tug unevenly faib ntawm electron ceev nyob rau hauv lub molecule. Cov txheej txheem no txhawb nqa nws cov yam ntxwv polar.
Polarity ntawm Acetonitrile
Lub polarity ntawm acetonitrile tshwm sim los ntawm qhov sib txawv ntawm electronegativity ntawm carbon thiab nitrogen atoms. Lub nitrogen atom nqa ib feem tsis zoo nqi, thaum cov pa roj carbon atom nyob rau hauv lub molecule qhia ib tug coj ib feem zoo xwb.
Qhov kev sib cais them nqi no ua rau lub sijhawm tseem ceeb ntawm dipole, ua rau acetonitrile ua cov kuab tshuaj polar.
Txawm li cas los xij, acetonitrile kuj muaj ib feem ntawm hydrocarbon, uas ua rau nws tsis yog - tus cwj pwm polar. Yog li ntawd, nws yog qhov zoo tshaj plaws piav raws li cov polar aprotic hnyav nrog cov yam ntxwv sib npaug polarity.
Dab tsi yog Cov Khoom thiab Kev Siv Khoom Siv ntawm Acetonitrile (CH3CN)?
Vim nws qhov polar xwm, acetonitrile yog cov kuab tshuaj zoo heev rau cov polar tebchaw thiab cov tshuaj ionic, nrog rau cov ntsev thiab cov organic molecules. Qhov no ua rau nws muaj txiaj ntsig zoo nyob rau hauv ntau yam kev siv tshuaj lom neeg thiab kev sim.
Physical Properties of Acetonitrile Solvent (CH₃CN)
Acetonitrile muaj ntau yam tseem ceeb ntawm lub cev uas ua rau nws muaj txiaj ntsig kev lag luam hnyav:
- Molecular Luj: 41.05 g / mol
- Kub taw tes: 81.6 degree
- Qhov ceev: 0.786 g / cm³
- Siab volatility
- Tsawg viscosity
- Zoo heev tshuaj stability
Rau cov ncauj lus ntxaws ntxaws ntawm acetonitrile, thov nyem qhov no.
Daim ntawv thov Acetonitrile (CH3CN).
Kev lag luam kws tshuaj
Acetonitrile (ACN) feem ntau siv hauv:
- Tshuaj synthesis intermediates
- API purification txheej txheem
- Recrystallization thiab rho tawm cov kauj ruam
- Chromatography (HPLC Solvent)
Ib qho ntawm cov ntawv thov loj tshaj plaws ntawm acetonitrile yog raws li HPLC cov kuab tshuaj (siab-kev ua haujlwm ua kua chromatography mobile theem).
Tshuaj Synthesis
Nyob rau hauv cov organic synthesis, acetonitrile yog siv raws li:
- Cov tshuaj tiv thaiv nruab nrab rau cov tshuaj tiv thaiv nucleophilic
- Cov kuab tshuaj rau cov txheej txheem catalytic
- Nruab nrab rau cov tshuaj tiv thaiv electrochemical
Nws qhov nruab nrab polarity pab kom ruaj khov cov tshuaj tiv thaiv intermediates yam tsis cuam tshuam nrog cov txheej txheem tshuaj tiv thaiv.
Yog xav paub ntxiv txog kev siv acetonitrile, thov nyem qhov no.
Vim li cas thiaj xaiv Tianjin Gnee Biotech Co., Ltd. raws li Koj Cov Khoom Siv Acetonitrile (CH3CN)?
- Kev Txhim Kho Cov Kev Pabcuam - Ua kom muaj ntau ntau rau kev tsim khoom loj -.
- Sustainable Solutions - Peb qhov kev pab cuam rov qab siv tau zoo rov ua dua -spec ethyl acetate los txo cov pov tseg.
- Kev Lag Luam Kws Tshaj Lij - Peb tsim cov kev daws teeb meem kom tau raws li qhov xav tau ntawm ntau qhov chaw.
Yog tias koj lub lag luam nyob ntawm acetonitrile (CAS NO. 75-05-8), koom tes nrog cov neeg muag khoom ntseeg siab acetonitrile xws li Tianjin Gnee Biotech Co., Ltd..Tiv tauj pebhnub no los tham txog koj cov khoom xav tau.
