2-Butanone |78-93-3
Raraunga A-tinana Hua:
| Ingoa Hua | 2-Butanone |
| Āhuatanga | Te wai kore tae me te haunga rite acetone |
| Ira Whakarewa(°C) | -85.9 |
| Ira Kohua (°C) | 79.6 |
| Kiato whanaunga (Wai=1) | 0.81 |
| Te kiato kohu (hau=1) | 2.42 |
| Te pehanga kohu kukū (kPa) | 10.5 |
| Te wera o te ngingiha (kJ/mol) | -2261.7 |
| Te pāmahana tino nui (°C) | 262.5 |
| Te pēhanga arohaehae (MPa) | 4.15 |
| Te whakarea wehewehenga octanol/wai | 0.29 |
| Irahiko (°C) | -9 |
| Te pāmahana whakakā (°C) | 404 |
| Tepe pahū o runga (%) | 11.5 |
| Te rohe pahū iti (%) | 1.8 |
| Wairewa | Ka whakarewahia ki te wai, te waihano, te etera, te acetone, te benzene, ka uru ki te hinu. |
Āhuatanga Hua:
1.Ahuatanga Matū: He whakaraerae te Butanone ki te maha o nga tauhohenga na tona roopu waro me te hauwai kaha e tata ana ki te roopu waro.Ka puta te whakamahana ki te waikawa maaka me te konutai waikawa hei hanga 3,4-dimethyl-3-hexen-2-one, 3-methyl-3-hepten-5-one ranei.Ka roa te wa e pa ana ki te ra, ka puta te ewaro, te waikawa acetic me nga hua tohanga.Ina waikura ki te waikawa nitric, ka hanga te biacetyl.Ina waikurahia ki te waikawa chromic me etahi atu waikura kaha, ka puta te waikawa acetic.Ko te Butanone he ahua pumau ki te wera, kei runga ake i te 500°Ckapiti waiariki hei whakaputa alkenone, methyl alkenone ranei.I te wa ka whakapoapoa ki te aldehydes aliphatic, kakara reka ranei, ka whakaputahia he ketone teitei o te taumaha ngota, pūhui cyclic, ketones me te kapia, me etahi atu. Hei tauira, ka whakapoapoa ki te formaldehyde i te aroaro o te konutai hydroxide, ka puta te bi-acetyl.Hei tauira, ko te toha me te formaldehyde i te aroaro o te konutai waikawa ka puta tuatahi te 2-methyl-1-butanol-3-one katahi ka whakamakuku hei whakaputa i te methylisopropenyl ketone.Ko tenei puhui ka pa ki te whakamaarama i te wa e pa ana ki te ra, ki te rama ultraviolet ranei.Ko te whakamahana me te phenol ka puta te 2,2-bis(4-hydroxyphenyl)butane.Ka tauhohe ki te hauwai aliphatic i te aroaro o te whakakorikori taketake hei hanga β-diketones.Te acylation ki te anhydride i te aroaro o te whakakorikori waikawa hei hanga β-diketone.Te tauhohenga me te hauwai hauwai hei hanga cyanohydrin.Ka tauhohe ki te haukini ki te hanga i te ketopiperidine derivatives.Ko te ngota α-hydrogen o te butanone ka ngawari ki te whakakapi ki nga halogens ki te hanga i nga momo ketone kua whakamaarama, hei tauira, 3-chloro-2-butanone me te chlorine.Ko te taunekeneke me te 2,4-dinitrophenylhydrazine ka whakaputa kowhai 2,4-dinitrophenylhydrazone (mp 115°C).
2.Stability: Stable
3.Matū kua rāhuitia:Soxidants kaha,nga kaihoko whakaheke kaha, turanga
4. Whakamaramatanga polymerization:Kore-polymerization
Taupānga Hua:
Ko te 1.Butanone te nuinga o te whakamahi hei whakarewa, penei mo te whakahinuhinu i te atuaxing hinu, te ahumahi peita me te maha o nga momo whakarewa kapia, te tukanga tangohanga hinu huawhenua me te tukanga parana o te whakakorenga azeotropic.
2.Ko Butanone hoki te whakaritenga o nga rongoa, waikano, horoi horoi, mea kakara, antioxidants me etahi whakakōkī he takawaenga, synthetic anti-desiccant agent methyl ethyl ketone oxime, polymerisation catalyst methyl ethyl ketone peroxide, etching inhibitor methyl pentynol, etc., i roto i te ahumahi hiko hei whakaahua whakaahua o nga iahiko whakauru i muri i te kaiwhakawhanake.
3.Whakamahia hei kai horoi, hei whakahinuhinu atuaxing agent, hei whakatere whakangao me nga takawaenga tauhohenga.
4.Whakamahia i roto i te whakahiato waro.Ka whakamahia hei matū paerewa tātari chromatographic me te whakarewa.
5.Used i roto i te ahumahi hiko, te nuinga whakamahia rite horoi me te degreasing kaihoko.
6.I tua atu i te whakamahinga nui o te hinu hinu, te paninga, te awhina, te whakapiri, te waikano, te rongoa me te horoi i nga waahanga hiko, me etahi atu, ka whakamahia te nuinga hei whakarewa mo te nitrocellulose, te vinyl resin, te kiriaku me etahi atu rei waihanga.Ko ona painga ko te wairewa kaha me te pähekeheke iti iho i te acetone.I roto i te tangohanga o te hinu huawhenua, te whakamahine tukanga o te azeotropic Māturu me te whakarite o nga mea kakara, antioxidants me ētahi atu tono.
7.He rauemi mata ano hoki mo te whakahiato waro, ka taea te whakamahi hei whakarewa.I roto i te ahumahi whakapaipai hinu mo te hinu hinu atuaxing kaihoko, i te wa e whakamahia ana i roto i te rongoa, te peita, te waikano, te horoi, nga mea kakara me te hikohiko me etahi atu ahumahi.Te whakarewa mo te waituhi wai.Ka whakamahia i roto i nga mea whakapaipai mo te hanga i nga whao whao, hei whakarewa iti-kohuatanga, ka taea te whakaiti i te viscosity o te whao, te whakamaroke tere.
8.Whakamahia hei whakarewa, hei kaihoko dewaxing, i whakamahia ano hoki i roto i te whakahiato pararopi, me nga rauemi mata mo nga mea kakara me nga rongoa.
Nga Tuhipoka Rokiroki Hua:
1. Rokiroki i roto i te whare putunga hauhautanga, whai hau.
2.Kia matara atu i te ahi me te puna wera.
3.Ko te pāmahana rokiroki kaua e nui ake37°C.
4. Kia hiritia te ipu.
5.Me penapena motuhake mai i nga kaihoko oxidizing,te whakaiti i nga kaihoko me te kawakore,a kaua rawa e uru.
6.Use rama pahū-tohu me whakaurunga ventilation.
7. Ka aukati i te whakamahi i nga taputapu miihini me nga taputapu ngawari ki te whakaputa korakora.
8.Ko te waahi rokiroki me whakauru ki nga taputapu maimoatanga ohorere leakage me nga taonga whakaruru tika.
