Ethyl acetate |141-78-6
Bayanan Jiki na Samfur:
| Sunan samfur | Ethyl acetate |
| Kayayyaki | Ruwa mai fayyace mara launi, tare da ƙamshi, mai canzawa |
| Wurin narkewa(°C) | -83.6 |
| Wurin tafasa (°C) | 77.2 |
| Dangantaka yawa (Ruwa=1)(20°C) | 0.90 |
| Dangantakar tururi mai yawa (iska = 1) | 3.04 |
| Cikakken tururin matsa lamba (kPa) | 10.1 |
| Zafin konewa (kJ/mol) | -2072 |
| Matsakaicin zafin jiki (°C) | 250.1 |
| Matsin lamba (MPa) | 3.83 |
| Octanol/water partition coefficient | 0.73 |
| Wurin walƙiya (°C) | -4 |
| zafin wuta (°C) | 426.7 |
| Iyakar fashewar sama (%) | 11.5 |
| Ƙananan iyakar fashewa (%) | 2.2 |
| Solubility | Dan kadan mai narkewa cikin ruwa, mai narkewa a cikin mafi yawan kaushi na halitta kamar ethanol, acetone, ether, chloroform, benzene, da sauransu. |
Abubuwan Samfura:
1.Ethyl acetate yana da sauƙin ruwa, sannan kuma a hankali a hankali ya samar da acetic acid da ethanol a gaban ruwa a dakin da zafin jiki.Ƙara yawan adadin acid ko tushe na iya haɓaka halayen hydrolysis.Ethyl acetate kuma na iya sha alkoholysis, ammonolysis, musayar ester, raguwa da sauran halayen gama gari na esters gabaɗaya.Yana ƙaddamar da kanta a gaban ƙarfe na sodium don samar da 3-hydroxy-2-butanone ko ethyl acetoacetate;yana amsawa tare da reagent na Grignard don samar da ketone, kuma ƙarin amsa yana ba da barasa na uku.Ethyl acetate yana da ɗan kwanciyar hankali don zafi kuma ya kasance baya canzawa lokacin da aka yi zafi a 290 ° C na sa'o'i 8-10.Yana bazuwa zuwa ethylene da acetic acid lokacin da aka wuce ta bututun ƙarfe mai zafi, cikin hydrogen, carbon monoxide, carbon dioxide, acetone da ethylene ta hanyar zinc foda mai tsanani zuwa 300 ~ 350 ° C, kuma cikin ruwa, ethylene, carbon dioxide da acetone ta hanyar. dehydrated aluminum oxide a 360 ° C.Ethyl acetate yana bazuwa ta hanyar iska mai iska ta ultraviolet don samar da kashi 55 na carbon monoxide, kashi 14 cikin 100 na carbon dioxide da kashi 31 cikin 100 na hydrogen ko methane, waɗanda iskar gas ne masu ƙonewa.Yin amsa tare da ozone yana haifar da acetaldehyde da acetic acid.Gaseous hydrogen halides amsa tare da ethyl acetate don samar da ethyl halide da acetic acid.Hydrogen iodide shine mafi yawan amsawa, yayin da hydrogen chloride yana buƙatar matsa lamba don bazuwa a cikin zafin jiki, kuma ana dumama shi zuwa 150 ° C tare da pentachloride phosphorus don samar da chloroethane da acetyl chloride.Ethyl acetate yana samar da gidaje daban-daban na crystalline tare da gishirin ƙarfe.Waɗannan rukunin gidaje suna narkewa a cikin anhydrous ethanol amma ba a cikin ethyl acetate ba kuma ana iya sanya su cikin ruwa cikin sauƙi.
2.Kwarai: Kwanciyar hankali
3.Abubuwan da aka haramta: Strong oxidants, alkalis, acid
4.Polymerisation hazard: Non-polymerisation
Aikace-aikacen samfur:
Ana iya amfani dashi don narkar da nitrocellulose, tawada bugu, mai da maiko, da dai sauransu. Hakanan ana iya amfani dashi azaman ɗanyen kayan fenti, fata na wucin gadi, samfuran filastik, rini, magunguna da kayan yaji, da sauransu.
Bayanan Ajiye samfur:
1.Ajiye a cikin dakin ajiya mai sanyi, mai iska.
2.Kiyaye daga wuta da tushen zafi.
3.The ajiya zafin jiki kada ya wuce37°C.
4.Kiyaye akwati a rufe.
5. Ya kamata a adana shi daban daga magungunan oxidising,alkalis da acid,kuma bai kamata a gauraya ba.
6.Yi amfani da hasken wuta-proof da wuraren samun iska.
7.Hana yin amfani da kayan aikin injiniya da kayan aiki masu sauƙi don haifar da tartsatsi.
8.Wurin ajiya ya kamata a sanye shi da kayan aikin jinya na gaggawa da kuma kayan matsuguni masu dacewa.
