ACETONE (2,4 PENTANDION)

AcetylacetoneHar ila yau, an san shi da 2, 4-pentadione, wani fili ne na kwayoyin halitta, tsarin sinadarai C5H8O2, marar launi zuwa ruwa mai haske mai launin rawaya, dan kadan mai narkewa a cikin ruwa, da ethanol, ether, chloroform, acetone, ice acetic acid da sauran kwayoyin kaushi miscible, yafi amfani a matsayin sauran ƙarfi, hakar wakili, kuma za a iya amfani da a cikin shirye-shiryen na fetur Additives, lubricants, mold kwari, kwari, dyes, da dai sauransu.

Kaddarori:Acetone ba shi da launi ko ɗanɗano ruwa mai ƙonewa.Wurin tafasa shine 135-137 ° C, madaidaicin walƙiya shine 34 ° C, kuma wurin narkewa shine -23 ° C. Matsakaicin dangi shine 0.976, ƙimar ragi shine N20d1.4512.Acetone yana narkewa a cikin 8g na ruwa, kuma ana haɗe shi da ethanol, benzene, chloroform, ether, acetone, da methampitic acid, kuma yana lalacewa zuwa acetone da acetic acid a cikin maganin alkali.Lokacin da ya zo ga zazzabi mai zafi, wuta mai haske da karfi mai karfi, yana da sauƙi don haifar da konewa.Rashin kwanciyar hankali a cikin ruwa, sauƙin hydrolyzed zuwa acetic acid da acetone.

Matsakaici don haɗakar halitta:

Acetylacetone shine mahimmancin tsaka-tsaki a cikin haɗin gwiwar kwayoyin halitta, ana amfani dashi sosai a cikin magunguna, kamshi, magungunan kashe qwari da sauran masana'antu.

Acetone wani abu ne mai mahimmanci a cikin masana'antun magunguna, irin su kira na 4,6 - dimethylpyrimidine.Hakanan ana amfani dashi azaman sauran ƙarfi don acetate cellulose, mai desiccant don fenti da varnishes, da kuma mahimman reagent na nazari.

Saboda kasancewar sigar enol, acetylacetone na iya samar da chelates tare da cobalt (Ⅱ), cobalt (Ⅲ), beryllium, aluminum, chromium, iron (Ⅱ), jan karfe, nickel, palladium, zinc, indium, tin, zirconium, magnesium. manganese, scandium da thorium da sauran ions karfe, wanda za'a iya amfani dashi azaman ƙari a cikin mai da mai.

Ana iya amfani da littafin Chemical azaman wakili mai tsaftacewa ga karafa a cikin micropores ta hanyar chelation da karafa.An yi amfani da shi azaman mai kara kuzari, wakili na haɗin gwiwar guduro, mai saurin warkewar guduro;Resin, roba additives;An yi amfani da shi don amsawar hydroxylation, halayen hydrogenation, halayen isomerization, ƙananan ƙwayoyin ketone unsaturated da ƙarancin carbon olefin polymerization da copolymerization;An yi amfani da shi azaman mai narkewa, wanda ake amfani dashi don acetate cellulose, tawada, pigment;Wakilin bushewa fenti;Raw kayan don shirye-shiryen na kwari da fungicides, dabbobi antidiarrheal kwayoyi da abinci Additives;Gilashin nunin infrared, fim mai ɗaukar hoto mai haske (gishiri indium), fim ɗin superconducting (gishiri indium) wakilin kafa;Acetylacetone karfe hadaddun yana da launi na musamman (gishiri kore gishiri, baƙin ƙarfe ja ja, chromium gishiri purple) da kuma insoluble a cikin ruwa;An yi amfani da shi azaman albarkatun ƙasa don magani;Organic roba kayan.

Aikace-aikace na ACETYL ACETONE:

1. Pentanedione, wanda kuma aka sani da acetylacetone, shine tsaka-tsakin fungicides pyraclostrobin, azoxystrobin da rimsulfuron herbicide.

2. Ana iya amfani da shi azaman albarkatun ƙasa da tsaka-tsakin kwayoyin halitta don magunguna, kuma ana iya amfani dashi azaman kaushi.

3. An yi amfani dashi azaman reagent na nazari da kuma cirewar aluminum a cikin tungsten da molybdenum.

4. Acetylacetone shine tsaka-tsaki a cikin kwayoyin halitta, kuma yana samar da amino-4,6-dimethylpyrimidine tare da guanidine, wanda shine mahimmancin kayan albarkatun magunguna.Ana iya amfani dashi azaman sauran ƙarfi don acetate cellulose, ƙari ga man fetur da mai mai, desiccant don fenti da varnish, fungicides, da maganin kwari.Hakanan za'a iya amfani da acetylacetone azaman mai kara kuzari don fashewar man fetur, hydrogenation da halayen carbonylation, da kuma mai haɓaka iskar oxygen don iskar oxygen.Ana iya amfani da shi don cire oxides na ƙarfe a cikin daskararrun daskararru da kuma bi da abubuwan haɓakar polypropylene.A cikin ƙasashen Turai da Amurka, ana amfani da fiye da kashi 50 cikin ɗari a cikin magungunan kashe ƙwayoyin cuta na dabbobi da ƙari.

5. Baya ga kaddarorin alkama na alcohols da ketones, yana kuma nuna launin ja mai duhu tare da ferric chloride kuma yana samar da chelates tare da gishirin ƙarfe da yawa.Ta acetic anhydride ko acetyl chloride da acetone condensation, ko kuma ta hanyar amsawar acetone da ketene.Ana amfani da littafin sinadarai azaman mai cire ƙarfe don raba trivalent da tetravalent ions, fenti da driers tawada, magungunan kashe qwari, magungunan kashe qwari, fungicides, kaushi don manyan polymers, reagents don ƙaddarar thallium, baƙin ƙarfe, fluorine, da tsaka-tsakin haɗin gwiwar kwayoyin halitta.

6. Ƙarfe chelators na canzawa.Ƙayyadaddun launi na ƙarfe da fluorine, da ƙaddarar thallium a gaban carbon disulfide.

7. Fe (III) alamar titration mai rikitarwa;ana amfani da su don gyara ƙungiyoyin guanidine (kamar Arg) da ƙungiyoyin amino a cikin sunadaran.

8. An yi amfani da shi azaman wakili na chelating karfen canji;An yi amfani da shi don ƙaddarar launi na baƙin ƙarfe da fluorine, da ƙaddarar thallium a gaban carbon disulfide.

9. Mai nuna alama ga baƙin ƙarfe (III) titration complexometric.An yi amfani da shi don canza ƙungiyoyin guanidine a cikin sunadaran da rukunin amino a cikin furotin.

Yanayin ajiya:

1. Nisantar Minghuo da ƙarfi mai ƙarfi, hatimi kuma adana.

2. Kunna shi a cikin jakar filastik ko ganga mai filastik a cikin ganga na ƙarfe; Abubuwan da aka saba amfani da su: 200kg / drum. Wuta mai hana wuta, mai hana ruwa, an adana shi a cikin ɗakunan ajiya mai haɗari.Adana da sufuri bisa ga ka'idojin sinadarai masu haɗari.