Lihlahisoa
High Purity Ethyl 4-bromobutyrate CAS No. 2969-81-5 ka Theko e Molemohali
Tlhaloso ea Sehlahisoa
| Lebitso: | Ethyl 4-bromobutyrate |
| Synonym: | 4-Bromobutanoic acid, ethyl ester;BRCH2CH2CH2C(O)OC2H5; Butanoic acid, 4-bromo-, ethyl ester;Ethyl 4-bromobutanoate; Ethyl gamma-bromobutyrate;ETHYL 4-BROMO-N-BUTYRATE; ETHYL GAMMA-BROMO-N-BUTYRATE |
| CAS: | 2969-81-5 |
| Foromo: | C6H11BrO2 |
| Ponahalo: | Mokelikeli o mosehla hanyane |
| EINECS: | 221-005-6 |
| Khoutu ea HS: | 2915900090 |
Mokhoa oa ho itokisa
Ka botlolong ea karabelo e nang le mochini o tsosang mocheso, thermometer le vent tube, 200 g (2.33 mol) ea γ -butyrolactone le 375mL ea anhydrous ethanol e kentsoe, e pholile ho 0 ℃ ka bateng ea letsoai le leqhoa, 'me ho hlahisoa khase e omisitsoeng ea hydrogen bromide ho fihlela. li-reactants li ile tsa lula li sa fetohe, tse ileng tsa nka lihora tse ka bang 2.E tlohele ho 0 ℃ bakeng sa 24h.Tšela reactant ka 1L ea metsi a batang, hlohlelletsa ka botlalo, arola lera la organic, 'me u ntše lera la metsi ka bromoethane habeli, 10mL nako le nako.Ho kopanya likarolo tsa manyolo, ho hlatsoa ethanol ka tharollo ea 2% ea potassium hydroxide, ho hlapolla hydrochloric acid le metsi, ho omisa ka anhydrous sodium sulfate, ho hlaphoheloa ha solvent, vacuum fractionation, le ho bokella likaroloana ho 97 ~ 99 ℃/3.3 kPa ho fumana 350 ~ 380 g ea ethyl γ-bromobutyrate (1) ka lihlahisoa tsa 77% ~ 84%.
Lisebelisoa
Ethyl 4- bromobutyrate ke derivative ea carboxylate, e se nang 'mala, e pepeneneng ho mokelikeli o mosehla.E ka sebelisoa e le setsi sa lipakeng tsa chefo le meriana, 'me e ka sebelisoa lipatlisisong tsa laboratori le nts'etsopele le tlhahiso ea lik'hemik'hale.
Boitsebiso ba Tšireletso
Phatlalatso Kereiti: I;II
Sehlopha sa Kotsi: 6.1
HS Khoutu: 2915900090
WGK_Germany (Lethathamo la Kemiso ea Lintho tse Silafatsoang ke Metsi Jeremane): 3
Khoutu ea Sehlopha sa Kotsi: R22;R36/37/38
Litaelo tsa Tšireletso: S26-S36-S37/39
Letšoao la tšireletso: S26: Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u romele ho ngaka.
S36: Apara liaparo tse loketseng tsa tšireletso.
Matšoao a Kotsi: Xn: E Kotsi
