4-Hydroxy-4-methyl-2pentanone | 123-42-2
Bayanan Jiki na Samfur:
| Sunan samfur | 4-Hydroxy-4-methyl-2pentanone |
| Kayayyaki | Ruwa mara launi mara launi, iskar minty kadan |
| Wurin narkewa(°C) | -44 |
| Wurin tafasa (°C) | 168 |
| Dangantaka yawa (Ruwa=1) | 0.9387 |
| Dangantakar tururi mai yawa (iska = 1) | 4 |
| Zafin konewa (kJ/mol) | 4186.8 |
| Wurin walƙiya (°C) | 56 |
| Solubility | Miscible da ruwa, alcohols, ethers, ketones, esters, aromatic hydrocarbons, halogenated hydrocarbons da sauran kaushi, amma ba miscible tare da high-matakin aliphatic hydrocarbons. |
Abubuwan Samfura:
1.White ko dan kadan rawaya m ruwa tare da kamshi dandano. Mai narkewa cikin ruwa; ethanol; ether da chloroform, da sauransu, marasa ƙarfi, bazuwa yayin hulɗa da alkali ko distilled a matsa lamba na yanayi. Ba shi da kwanciyar hankali, bazuwa lokacin hulɗa tare da alkali ko distilled a matsa lamba na yanayi.
2. Samfurin yana da ƙarancin guba, haɗiye samfurin an haramta shi sosai, mai aiki ya kamata ya sa kayan kariya.
3.Chemical Properties: Diacetone barasa ya ƙunshi carbonyl da hydroxyl a cikin kwayoyin, tare da sinadaran Properties na ketone da jami'a barasa. Rushewar yana faruwa lokacin da aka yi zafi zuwa 130 ° C ko sama tare da alkali, yana samar da kwayoyin 2 na acetone. Lokacin da zafi da sulfuric acid ko gano adadin aidin, ya dehydrates ya samar da isopropylidene acetone. Yin hulɗa tare da sodium hypobromite yana samar da 2-hydroxyisovaleric acid. Catalytic hydrogenation yana haifar da 2-methyl-2,4-pentanediol.
4.Wannan samfurin yana fusatar da idanu, fata da mucous membranes na fili na numfashi. Yana shiga cikin jiki ta hanyoyin numfashi da narkewar abinci, yana shafar tsarin juyayi kuma yana lalata hanta da ciki. Shakar babban taro na tururi na iya haifar da edema na huhu har ma da suma. Bayyanar da dogon lokaci zai iya haifar da dermatitis.
5. Ana samunsa a cikin toya taba, farar ribbed taba, taba yaji, da hayakin sigari.
Aikace-aikacen samfur:
1.Diacetone barasa za a iya amfani da a matsayin karfe mai tsabta, itace preservative, preservative for daukar hoto fim da kwayoyi, antifreeze, sauran ƙarfi ga na'ura mai aiki da karfin ruwa ruwa, extractant da fiber kammala wakili.
2.Diacetone barasa ne yadu amfani a matsayin sauran ƙarfi ga electrostatic SPRAY Paint, celluloid, nitrocellulose, mai, mai, waxes da resins. Diacetone barasa shine babban kaushi na kwayoyin halitta. Danko yana da ƙananan kuma tasirin zafin jiki akan danko yana da ƙananan. An yi amfani da shi azaman mai ƙarfi da fenti don fenti ester cellulose, bugu tawada, fentin guduro na roba da sauransu.
3.Widely amfani da sauran ƙarfi ga resins, electrostatic fenti fenti, celluloid, nitro fibers, mai, mai da waxes. Har ila yau, ana amfani da shi azaman mai tsabtace ƙarfe, mai sarrafa itace, mai kiyayewa don fim ɗin hoto da magani, maganin daskarewa, mai hydraulic mai ƙarfi, mai cirewa da fiber kammala wakili. Har ila yau, wani nau'i ne na tsaka-tsakin haɗin gwiwar kwayoyin halitta.
4.Cosmetic sauran ƙarfi, yafi amfani da ƙusa goge da sauran kayan shafawa na high tafasar batu sauran ƙarfi. Yawancin lokaci ana tsara su tare da ƙananan kaushi mai zafi da matsakaicin matsakaicin matsakaici a cikin kaushi mai gauraye, don samun ƙimar ƙawancen da ya dace da danko.
Bayanan Ajiye samfur:
1.Ajiye a cikin dakin ajiya mai sanyi, mai iska.
2.Kiyaye daga wuta da tushen zafi, guje wa hasken rana kai tsaye.
3.Kiyaye akwati a rufe.
4.It ba mai lalacewa ba ne ga ƙarfe, kuma ana iya adana shi a cikin ƙarfe, ƙarfe mai laushi ko kwantena na aluminum, amma yana da tasiri mai tasiri akan nau'ikan robobi.
5.Ajiye da jigilar kaya a keɓance daga abubuwan da ke haifar da iskar oxygen da acid.
6.Iron guga ko gilashin gilashi yana cike da kayan kwalliyar katako na katako.
