2 2-Dimethyl-1 3-dioxan-5-one (CAS# 74181-34-3)
| Hazard Symbols | Xi – Hasha |
| Risk Codes | R36/37/38 - Kushungurudza maziso, kufema system uye ganda. R41 - Njodzi yekukuvara kwakakomba kwemaziso R37/38 - Inogumbura kune yekufema system uye ganda. |
| Tsanangudzo Yekuchengetedza | S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa. S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso S39 - Pfeka dziviriro yeziso / kumeso. S24/25 - Dzivisa kusangana neganda nemeso. |
| UN IDs | 1993 |
| HS Code | 29141900 |
| Hazard Kirasi | 3 |
| Packing Group | III |
Nhanganyaya
2,2-dimethyl-1, 3-dioxan-5-imwe inhengo yehupenyu ine fomula C6H10O3. Inotevera rondedzero yehunhu hwayo, kushandiswa, kugadzirira uye ruzivo rwekuchengetedza:
Zvakasikwa:
2,2-Dimethyl-1,3-dioxan-5-imwe imvura isina ruvara ine kunhuhwirira kwakakosha kweketone. Iine density ye0.965 g/mL, kuvira kwe156-157°C, uye kupenya kwe60°C. Inonyungudika mune zvakawanda organic solvents senge ethanol, ethyl acetate uye dichloromethane.
Shandisa:
2,2-Dimethyl-1,3-dioxan-5-imwe inowanzoshandiswa organic synthesis yepakati. Inogona kushandiswa se ketonizing agent, esterifying agent uye condensing agent mune synthesis. Inogona kushandiswa mukugadzirwa kwemamwe ma organic compounds, akadai sejasi, resin, dhayi, mishonga uye makemikari akanaka.
Kugadzirira nzira:
Nzira yekugadzirira ye2,2-Dimethyl-1,3-dioxan-5-imwe inogona kuwanikwa neUskberg oxidation reaction. Kunyanya, 1,3-butanediol inobatwa nemethyl iodide kugadzira 2,2-dimethyl -1,3-dioxane. Zvadaro, iyo 2,2-dimethyl -1,3-dioxane inoiswa pasi pekuita oxidation muhupo hweiodine, uye chigadzirwa chiri 2,2-Dimethyl-1,3-dioxan-5-imwe.
Zvekuchengetedza
