N, n-dimethylacetamide_dmac 127-19-5
Nga kiko o te hua
| Ingoa Hua | N, n-dimethylacetamide / DMAC |
| K | 127-19-5 |
| MF | C4h9no |
| MW | 87.12 |
| Tōnu | 0.937 g / ml |
| Hanumi wāhi | -20 ° C |
| Kohua | 164.5-166 ° C |
| Tōnu | 0.937 g / ml i te 25 ° C (lit.) |
| Te waatea o te Vapor | 3.89 (vs rangi) |
| Te pēhanga umu | 40 mm Hg (19.4 ° C) |
| Whakapaipai | N20 / D 1.439 (lit.) |
| Wāhi uira | 158 ° F |
| Tikanga rokiroki | Rokiroki i raro + 30 ° C. |
| Whakarewa | > 1000g / l soluple |
| Te nuinga o te waikawa | (PKA) -0.41 ± 0.70 (tohua) |
| Āhua | Wai |
| Tae | Tuhinga ka whai mai |
| He whanaunga whanaunga | 6.3 |
| Putanga PH | 4 (200g / L, H2O, 20 ℃) |
| Hā | (Kakara) ngoikore te hau kakara |
| Te paepae kakara | (Te paepae o te kakara) 0.76PMM |
| Te whakaheke wai | whakahiri |
| Pūhera | 1 l / Pounamu, 25 l / Frver, 200 l / Peke |
| Rawa | Ka taea te whakaranu ki te wai, te waipiro, te eter, ester, Benzene, Chloroform, me nga pūhui kakara. |
Hangai
Actic waikawa waikawa acetic; N, n-dimethylacetamide.
Mahi
Ko te nuinga o te wa e whakamahia ana te DMAC mo nga muka tiihi (acrylonitrile) me te polyurethane spiron, a ka whakamahia ano hoki hei whakakapi i nga kiriata polymer, me nga tauira me nga rongoā. I tenei wa, e whakamahia whānuitia ana i roto i te rongoa me te pesticides ki te tarai i nga rongoā paturopi me nga pesticides. Ka taea hoki te whakamahi hei maakete mo te tauhohenga, he miihini hikohiko, he kaikorero peita, me te maha o nga huringa whakarewa me te matatini.
Whakaaturanga
N, n-dimethylacetamide, e kiia ana ko AceyLdimenthyy, ko te acholdimentylamine, he papa whakarewa ranei a Aprotic, ko te hau kakara, me te maha o nga mea kua kaha. He maha nga huringa me te wai, nga whakahiato kakara, nga ketere, nga waipiro, nga momo kohungahunga, me te chloroform, me te whakamahi i te whakarewa me te miihini. I nga waahanga o te whakarewa, hei whakarewa me te tino kohua, ka nui te tipu o te waikawa me te riihi o te kirikano me etahi atu catuxymer me etahi atu carboxymecy waikawa. I runga i te catalyst catalyst, ka taea te whakamahi i roto i te mahi whakawera Urea ki te whakaputa i te waikawa o te cyium ackyle ki te whakaputa i te konutai a Alkyl Ackylene me te cyanate ki te whakaputa i te isocyanate. N, n-dimethylacetamide Ka taea hoki te whakamahi hei whakarewa mo te miihini miihini whakarewa me te whakaahua, te tango peita, te miihini miihini rauropi, te pesticide me te rongoā huamata. Whakakorea te whakarewatanga whakarewa mo te wehe i te styrene mai i te hautau C8, etc.
