Sunan samfur:Methyl Ethyl Ketone

Tsarin kwayoyin halitta:C4H8O

CAS No:78-93-3

Tsarin kwayoyin halitta:

Bayani:

Abubuwan Sinadarai:

Methyl ethyl ketone wani fili ne na kwayoyin halitta tare da tsarin sinadarai CH3COCH2CH3 da nauyin kwayoyin halitta na 72.11. Ruwa ne mara launi kuma bayyananne tare da wari mai kama da acetone. Sauƙi mai canzawa. Yana da haɗari tare da ethanol, ether, benzene, chloroform da mai. Mai narkewa a cikin sassa 4 na ruwa, amma mai narkewa yana raguwa lokacin da zafin jiki ya karu, kuma zai iya samar da cakuda azeotropic tare da ruwa. Low guba, LD50 (bera, baka) 3300mg/kg. flammable, tururi zai iya samar da cakuda fashewa da iska. Babban taro na tururi yana da abubuwan kashe kuzari.

Aikace-aikace:

Methyl ethyl ketone (2-butanone, ethyl methyl ketone, methyl acetone) wani kaushi ne na kwayoyin halitta na ƙananan ƙwayar cuta, wanda ke samuwa a yawancin aikace-aikace. Ana amfani da shi a cikin samfuran masana'antu da na kasuwanci azaman ƙaushi don mannewa, fenti, da abubuwan tsaftacewa da kuma azaman ƙauyen de-waxing. Wani nau'in halitta na wasu abinci, methyl ethyl ketone za a iya saki a cikin muhalli ta hanyar volcanoes da gobarar daji. Ana amfani da shi a cikin kayan aikin foda maras hayaki da resins na roba mara launi, azaman sauran ƙarfi, da murfin insurface. Hakanan ana amfani dashi azaman kayan ɗanɗano a cikin abinci.

Ana amfani da MEK azaman kaushi don tsarin sutura daban-daban, misali, vinyl, adhesives, nitrocellulose, da acrylic coatings. Ana amfani dashi a cikin masu cire fenti, lacquers, varnishes, fenti fenti, sealers, glues, magnetic tef, bugu tawada, resins, rosins, tsaftacewa mafita, da kuma polymerization. Ana samunsa a cikin wasu samfuran mabukaci, misali, siminti na gida da na sha'awa, da kayayyakin cika itace. Ana amfani da MEK wajen ɓata mai, da rage ƙarafa, wajen samar da fata na roba, takarda mai haske da foil na aluminum, kuma a matsayin tsaka-tsakin sinadari da haɓaka. Yana da kaushi mai cirewa a sarrafa kayan abinci da kayan abinci. Hakanan ana iya amfani da MEK don lalata kayan aikin tiyata da na hakori.
Baya ga ƙera shi, hanyoyin muhalli na MEK sun haɗa da shaye-shaye daga jet da injunan konewa na ciki, da ayyukan masana'antu kamar iskar gas. Ana samun shi da yawa a cikin hayaƙin taba. Ana samar da MEK ta hanyar ilimin halitta kuma an gano shi azaman samfurin ƙwayoyin cuta. Hakanan an samo shi a cikin tsire-tsire, pheromones na kwari, da kyallen jikin dabbobi, kuma MEK ƙila ƙaramin samfuri ne na al'ada na mammalian metabolism. Yana da karko a ƙarƙashin yanayi na yau da kullun amma yana iya samar da peroxides akan ajiya mai tsawo; waɗannan na iya zama fashewa.