Acetonitrile, tseem hu ua methyl cyanide, yog cov kua tsis muaj xim nrog lub qab zib, ether - zoo li tsw. Nws yog cov kuab tshuaj siv dav hauv ntau qhov kev lag luam, suav nrog tshuaj, agrochemicals, electronics, thiab analytical laboratory. Tom ntej: Acetonitrile Acn CAS 75-05-8 paub txog nws lub zog hnyav hnyav, tsis muaj viscosity, thiab muaj tshuaj lom neeg ruaj khov.
Acetonitrile Formula
Acetonitrile (CAS No. 75 05 8)yog hydrocyanic acid nrog cov mis molecular CH₃CN.
Qauv:
Acetonitrile CH3CN muaj ob lub atoms, peb hydrogen atoms, thiab ib tug nitrogen atom. Cov pab pawg nitrile (-CN) txuas nrog methyl pawg (-CH₃), muab nws qhov tshwj xeeb reactivity thiab polarity.
Specification ntawm Acetonitrile
| Khoom | Specification |
|---|---|
| CAS Nr | 75-05-8 |
| Molecular Formula | CH 3 CN |
| Qhov tshwm sim | Cov kua dej tsis muaj xim |
| tsw | Qab zib, ether -zoo li |
| Purity | 99.9% min |
| Cov ntsiab lus dej | 0.05% max |
| Acidity (raws li acetic acid) | 0.01% max |
| Xim (APHA) | 10 max |
| Boiling Point | 81.6 degree |
| Melting Point | -45.7 degree |
| Ceev (20 degree) | 0.786 g / cm³ |
| Flash Point | 2 degree |
| Solubility hauv dej | Miscible |
| Vapor Siab | 97.6 mmHg ntawm 20 degree |
Xav paub ntau ntxiv txog cov khoom thiab cov lus qhia ntawm acetonitrile? Tiv tauj peb!
Kev siv Acetonitrile
Kev siv acetonitrile hnyav yog:
- Acetonitrile pom nws daim ntawv thov hauv tooj liab refinings.
- Nws yog siv los ua cov kuab tshuaj rau cov txheej txheem hydrocarbon extraction.
- Nws yog siv rau kev tsim cov naj hoom thiab lwm yam tshuaj tsw qab.
- Nws pom nws daim ntawv thov hauv kev lag luam roj hmab.
- Nws yog siv rau hauv kev lag luam kws tshuaj los ua cov tshuaj hluavtaws.
- Acetonitrile (CAS 75 05 8) yog siv nyob rau hauv electrochemical hlwb.
- Fatty acids yog muab rho tawm los ntawm cov roj zaub siv acetonitrile.
Kev nyab xeeb
GHS Hazard Statements:
- H225 (>99.9%): Cov kua ua kua thiab vapor siab heev [Flammable kua]
- H302 (99.8%): Teeb meem yog nqos [Ceeb toom mob toxicity, qhov ncauj]
- H312 (94.3%): Ua phem rau ntawm daim tawv nqaij [Ceeb toom Mob toxicity, dermal]
- H319 (99.8%): Ua rau qhov muag khaus loj [Ceeb toom Loj qhov muag puas / qhov muag khaus]
- H332 (95.1%): Teeb meem yog nqus tau [Ceeb toom mob toxicity, inhalation]
Kev tuav thiab khaws cia
Cia tej yam kev mob: Khaws cia rau hauv ib lub thawv airtight qhov chaw txias, qhuav thiab zoo ventilated, deb ntawm tshav kub thiab lwm yam uas nws yuav tsis sib tov nrog, zoo li muaj zog oxidisers.
Kev Tiv Thaiv Kev Tiv Thaiv: Tsis txhob nqus pa thiab tiv nrog daim tawv nqaij thiab qhov muag. Siv cov cua kom txaus thiab cov cuab yeej tiv thaiv kom zoo.
Nyem qhov no xa ib qho kev nug
Cov lus nug nquag
Acetonitrile (CH3CN) yog qhov yooj yim tshaj plaws thiab ib qho ntawm cov nitriles ruaj khov tshaj plaws.
Acetonitrile tsis tuaj yeem raug cais raws li cov kua qaub lossis ua lub hauv paus.
Yog lawm, Acetonitrile CH3CN yog tag nrho miscible nrog dej ntawm txhua qhov sib piv hauv ib puag ncig ib puag ncig.
Yog lawm, acetonitrile hnyav yog tshuaj lom. Nws metabolizes hauv lub cev los tsim hydrogen cyanide, uas tuaj yeem ua rau khaus, tsis meej pem, thiab lwm yam kev phom sij rau kev noj qab haus huv; Kev raug mob hnyav tuaj yeem ua rau tuag taus. Yog li ntawd, cov cuab yeej tiv thaiv tus kheej tsim nyog yuav tsum tau siv thiab cov txheej txheem ua haujlwm yuav tsum tau ua raws li thaum tuav.
Acetonitrile hnyav yuav tsum tau khaws cia:
- Hauv qhov chaw txias, zoo - qhov cua nkag
- Tawm ntawm oxidizing tus neeg sawv cev thiab qhov chaw ignition
- Nyob rau hauv nruj nreem kaw ntim
- Raws li cov cai tswj kev phom sij (UN1648)
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