Acetylacetone, nke a makwaara dị ka 2, 4-pentadione, bụ ihe mejupụtara organic, usoro kemịkalụ C5H8O2, mmiri doro anya na-enweghị agba ruo odo odo, ọ na-agbaze ntakịrị na mmiri, yana ethanol, ether, chloroform, acetone, ice acetic acid na ihe mgbaze organic ndị ọzọ a na-agwakọta, nke a na-ejikarị dị ka ihe mgbaze, ihe na-ewepụta ihe, enwere ike iji ya na nkwadebe nke ihe mgbakwunye gasoline, mmanụ, ọgwụ ahụhụ ebu, ọgwụ nje, agba, wdg.
Njirimara:Acetone enweghị agba ma ọ bụ odo odo dị ntakịrị mmiri ọkụ. Ebe esi mmiri bụ 135-137 ° C, ebe ọkụ bụ 34 ° C, ebe agbazekwa bụ -23 ° C. Njupụta ya bụ 0.976, ọnụego mbelata bụ N20d1.4512. A na-agbaze acetone na 8g nke mmiri, a na-agwakọta ya na ethanol, benzene, chloroform, ether, acetone, na methampitic acid, a na-agbazekwa ya ka ọ bụrụ acetone na acetic acid na ngwọta alkali. Mgbe ọ bịara n'ihe gbasara oke ọkụ, ọkụ dị ọkụ na ihe na-eme ka oxidant sie ike, ọ dị mfe ịkpata ọkụ. Ọ naghị akwụsi ike na mmiri, a na-agbanwe ya ngwa ngwa ka ọ bụrụ acetic acid na acetone.
Ọkara maka njikọ organic:
Acetylacetone bụ ihe dị mkpa n'ime mmepụta ihe ndị sitere n'okike, a na-ejikarị ya eme ihe n'ọgwụ, ihe na-esi ísì ụtọ, ọgwụ nje na ụlọ ọrụ ndị ọzọ.
Acetone bụ ihe dị mkpa n'ụlọ ọrụ ọgwụ, dịka mmepụta nke ihe ndị sitere na 4,6 – dimethylpyrimidine. A na-ejikwa ya dị ka ihe mgbaze maka cellulose acetate, ihe na-ekpo ọkụ maka agba na varnish, yana ihe dị mkpa maka nyocha.
N'ihi na e nwere ụdị enol, acetylacetone nwere ike ịmepụta chelates na cobalt (Ⅱ), cobalt (Ⅲ), beryllium, aluminom, chromium, iron (Ⅱ), copper, nickel, palladium, zinc, indium, tin, zirconium, magnesium, manganese, scandium na thorium na ion ígwè ndị ọzọ, nke enwere ike iji dị ka ihe mgbakwunye na mmanụ ọkụ na mmanụ na-ete mmanụ.
Enwere ike iji akwụkwọ Kemịkal mee ihe dị ka ihe nhicha maka ọla dị na obere oghere site na iji ya na ọla. Ejiri ya mee ihe dị ka ihe na-akpali akpali, ihe na-ejikọ resin, ihe na-eme ka resin dị ngwa ngwa; Resin, ihe mgbakwunye roba; Ejiri ya mee ihe maka mmeghachi omume hydroxylation, mmeghachi omume hydrogenation, mmeghachi omume isomerization, ketone dị ala nke na-enweghị afọ ojuju na obere carbon olefin polymerization na copolymerization; Ejiri ya mee ihe dị ka ihe mgbaze organic, ejiri ya mee ihe maka cellulose acetate, ink, pigment; ihe na-akpọ nkụ agba; Ihe eji emepụta ọgwụ ahụhụ na fungicides, ọgwụ mgbochi afọ ọsịsa anụmanụ na ihe mgbakwunye nri; iko ntụgharị infrared, ihe nkiri transparent conductive (nnu indium), ihe nkiri superconducting (nnu indium) na-emepụta ihe; Acetylacetone metal complex nwere agba pụrụ iche (nnu ọla kọpa akwụkwọ ndụ akwụkwọ ndụ, nnu ígwè uhie, nnu chromium odo odo) na mmiri anaghị agbaze; Ejiri ya mee ihe dị ka ihe eji eme ọgwụ; ihe ndị e ji emepụta ihe sitere na organic.
Ngwa nke ACETYL ACETONE:
1. Pentanedione, nke a makwaara dị ka acetylacetone, bụ etiti nke pyraclostrobin, azoxystrobin na rimsulfuron nke na-egbu ahịhịa.
2. Enwere ike iji ya dị ka ihe eji emepụta ihe na ihe ndị na-eme ka ihe dị ndụ dị n'ime ya, a pụkwara iji ya dị ka ihe mgbaze.
3. A na-eji ya eme ihe dịka ihe nyocha na ihe na-ewepụta aluminom na tungsten na molybdenum.
4. Acetylacetone bụ ihe dị n'etiti na mmepụta ihe ndị sitere n'okike, ọ na-emepụta amino-4,6-dimethylpyrimidine na guanidine, nke bụ ihe dị mkpa maka ọgwụ. Enwere ike iji ya dị ka ihe mgbaze maka cellulose acetate, ihe mgbakwunye maka mmanụ ụgbọala na mmanụ, ihe na-ekpo ọkụ maka agba na varnish, ihe na-egbu egbu, na ọgwụ ahụhụ. Enwere ike iji acetylacetone dị ka ihe na-akpali mgbawa mmanụ, hydrogenation na mmeghachi omume carbonylation, yana ihe na-eme ka oxidation dị ngwa maka oxygen. Enwere ike iji ya wepụ oxides metal na ihe siri ike na-agbawa agbawa ma na-agwọ polypropylene catalyst. Na mba Europe na America, a na-eji ihe karịrị 50% na ọgwụ mgbochi afọ ọsịsa na ihe mgbakwunye nri.
5. Na mgbakwunye na ihe ndị a na-ahụkarị nke mmanya na ketone, ọ na-egosipụtakwa agba ọbara ọbara gbara ọchịchịrị na ferric chloride ma na-emepụta chelates na ọtụtụ nnu ígwè. Site na acetic anhydride ma ọ bụ acetyl chloride na acetone condensation, ma ọ bụ site na mmeghachi omume nke acetone na ketene enwetara. A na-eji Chemicalbook dị ka ihe na-ewepụta ígwè iji kewaa ion trivalent na tetravalent, ihe na-akpọ nkụ agba na ink, ọgwụ nje, ọgwụ nje, fungicides, ihe mgbaze maka nnukwu polymers, ihe ndị na-eme ka ihe dị nro maka mkpebi nke thallium, iron, fluorine, na ihe ndị na-eme ka ihe dị ndụ dị n'etiti.
6. Ndị na-eme ka ígwè gbanwee. Nchọpụta agba nke ígwè na fluorine, na mkpebi nke thallium n'ihu carbon disulfide.
7. Ihe ngosi nke Fe(III) nke complexometric titration; eji ya eme mgbanwe nke otu guanidine (dịka Arg) na otu amino dị na protein.
8. A na-eji ya eme ihe dị ka ihe na-eme ka ígwè na-agbanwe agbanwe; a na-eji ya eme ihe maka ikpebi agba nke ígwè na fluorine, na ịchọpụta thallium n'ihu carbon disulfide.
9. Ihe ngosi maka titration nke iron (III). A na-eji ya emezi otu guanidine dị na protein na otu amino dị na protein.
Ọnọdụ nchekwa:
1. Zere Minghuo ma mee ka oxidant sie ike, mechie ma chekwaa ya.
2. Kechie ya n'ime akpa plastik ma ọ bụ gbọmgbọm plastik n'ime gbọmgbọm ígwè; Nkwakọ ngwaahịa nkịtị: 200kg/gbọm. Ọkụ anaghị agba, ọ naghị agba ọkụ, ọ naghị agba mmiri, echekwara ya n'ụlọ nkwakọba ihe dị ize ndụ. Nchekwa na njem dịka iwu nke kemịkalụ dị ize ndụ si dị.
Oge ozi: Eprel-19-2023