Whakawhiwhi wheketere CAS 110-63-4 1,4-Butanediol Wai Taekore me te Maama Nui
Whakamahinga
Ko te 1, 4-butanediol e whakamahia nuitia ana.I roto i te United States me Western Europe mo te neke atu i te haurua o te hanga o te tetrahydrofuran, ka whai i te hanga o te γ-butanolactone me te polybutylene terephthalate, ko te mea whakamutunga he kirihou hangarau tere;Ko te 1, 4-butanediol e whakamahia ana hei whakawhitinga mekameka me te polyester raw rauemi mo te hanga o nga elastomers polyurethane me nga kirihou polyurethane foam ngohengohe;Ko nga hākawa o te 1, 4-butanediol he taapiri pai mo te cellulose, polyvinyl chloride, polyacrylates me te polyesters.Ko te 1, 4-butanediol he pai te ngawari o te hygroscopic, ka taea te whakamahi hei whakamarumaru gelatin me te mimiti wai, cellophane me etahi atu kaihoko maimoatanga kore-pepa.Ka taea hoki te whakarite N-methylpyrrolidone, N-vinyl pyrrolidone me etahi atu pyrrolidone pärönaki, whakamahia hoki i roto i te faaineineraa o te huaora B6, pesticides, herbicides me te momo o whakarewa tukanga, plasticizers, lubricants, humidifiers, ngohengohe, adhesives me electroplating ahumahi wherikotanga.
He reagent mo te tātari matū;whakamahia hei otinga noho mo te chromatography hau.Ka whakamahia hei whakarewa, antifreeze kore-paitini, whakaemi kai, makuku mimiti, mo te whakahiato waro.Te rongoā, te ahumahi kai.
Whakatakotoranga
| Ingoa Hua: | 1,4-Butanediol |
| CAS: | 110-63-4 |
| MF: | C4H10O2 |
| MW: | 90.12 |
| EINECS: | 203-786-5 |
| Te rewa | 16 °C (marama) |
| Kohuatanga | 230 °C (marama) |
| kiato | 1.017 g/mL i te 25 °C (marama) |
| kiato kohu | 3.1 (me te hau) |
| pehanga kohu | <0.1 hPa (20 °C) |
| taupū huritao | n20/D 1.445(marama) |
| Fp | 135 °C |
| pāmahana rokiroki. | Whakaorangia ki raro +30°C. |
| puka | Waiwai |
| pka | 14.73±0.10(I Matapaetia) |
| tae | Maama kore tae |
| Te kakara | Korekore |
| PH | 7-8 (500g/l, H2O, 20 ℃) |
| rohe pahū | 1.95-18.3%(V) |
| Wairewa wai | Miscible |
| Tairongo | Hygroscopic |
| BRN | 1633445 |
Nga Tikanga Rokiroki
I rongoatia i roto i te hauhautanga, whai hau, te waahi rokiroki atu i te whare, ka puta mai.Kei te waatea nga taputapu patu ahi me nga ipu wai hiri pai.Kei te waatea nga ipu maitai, konumohe, parahi ranei.
Whakamahia he konumohe, he kowiri tira, he rino, he taika kirihou ranei, he mea muramura ranei mo te rokiroki me te kawe.Ko te waahanga me te pāmahana teitei o te 20°C me whakakiia ki nga ipu me nga ngongo.