Awọn ọja
High Purity Ethyl 4-bromobutyrate CAS No.. 2969-81-5 pẹlu Owo to dara julọ
ọja Apejuwe
| Orukọ: | Ethyl 4-bromobutyrate |
| Itumọ ọrọ: | 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 |
| Fọọmu: | C6H11BrO2 |
| Ìfarahàn: | Omi ofeefee die-die |
| EINECS: | 221-005-6 |
| Koodu HS: | 2915900090 |
Ọna Igbaradi
Ninu igo ifaseyin ti o ni ipese pẹlu aruwo, thermometer ati tube vent, 200 g (2.33 mol) ti γ -butyrolactone ati 375mL ti ethanol anhydrous ni a fi kun, tutu si 0℃ ninu iwẹ iyọ yinyin, ati gaasi hydrogen bromide ti o gbẹ ti ṣafihan titi di igba awọn reactants ko yipada, eyiti o gba to wakati 2.Fi silẹ ni 0 ℃ fun 24h.Tú awọn reactant sinu 1L omi tutu, ni kikun aruwo, ya awọn Organic Layer, ki o si jade awọn omi Layer pẹlu bromoethane lemeji, 10mL kọọkan akoko.Apapọ awọn fẹlẹfẹlẹ Organic, fifọ ethanol pẹlu ojutu 2% potasiomu hydroxide, dilute hydrochloric acid ati omi, gbigbẹ pẹlu imi-ọjọ sodium sulfate anhydrous, epo ti n bọlọwọ, ida igbale, ati gbigba awọn ida ni 97 ~ 99 ℃ / 3.3 kPa lati gba 350 ~ 380 g ti ethyl γ-bromobutyrate (1) pẹlu ikore ti 77% ~ 84%.
Nlo
Ethyl 4- bromobutyrate jẹ itọsẹ carboxylate, eyiti ko ni awọ, ti o han gbangba si omi ofeefee.O le ṣee lo bi agbedemeji ti awọn ipakokoropaeku ati awọn oogun, ati pe o le ṣee lo ninu iwadii yàrá ati idagbasoke ati iṣelọpọ kemikali.
Aabo Alaye
Iṣakojọpọ ite: I;II
Ẹka Ewu: 6.1
HS koodu: 2915900090
WGK_Germany (Atokọ Isọdi ti Awọn Ohun elo Idoti Omi ni Germany): 3
Ewu Kilasi koodu: R22;R36/37/38
Awọn ilana aabo: S26-S36-S37/39
Ami ailewu: S26: Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o firanṣẹ si dokita kan.
S36: Wọ aṣọ aabo ti o yẹ.
Awọn ami ewu: Xn: ipalara
