Ngwaahịa
Ethyl dị ọcha dị elu 4-bromobutyrate CAS No. 2969-81-5 nwere ọnụ ahịa kacha mma.
Nkọwa ngwaahịa
| Aha: | Ethyl 4-bromobutyrate |
| Otu okwu: | 4-Bromobutanoic acid, ethyl ester;BrCH2CH2CH2C(O)OC2H5; Butanoic acid, 4-bromo-, ethyl ester;Ethyl 4-bromobutanoate; Ethyl gamma-bromobutyrate;ETYL 4-BROMO-N-BUTYRATE; ETHYL GAMMA-BROMO-N-BUTYRATE |
| CAS: | 2969-81-5 |
| Usoro: | C6H11BrO2 |
| Ọdịdị: | Mmiri mmiri na-acha odo odo dị ntakịrị |
| EINECS: | 221-005-6 |
| Koodu HS: | 2915900090 |
Usoro nkwadebe
N'ime karama mmeghachi omume nke nwere ihe na-akpali akpali, temometa na tube ikuku, 200 g (2.33 mol) nke γ -butyrolactone na 375mL nke ethanol anhydrous ka etinyere, mee ka ọ dị mma na 0 ℃ n'ime mmiri ịsa nnu ice, wee weba ikuku hydrogen bromide a mịrị amị ruo mgbe. ndị reactants nọgidere na-agbanweghị agbanwe, nke were ihe dị ka awa 2.Hapụ ya na 0 ℃ maka awa 24.Wunye reactant n'ime mmiri oyi 1L, kpalie nke ọma, kewaa oyi akwa organic, wee wepụ mmiri oyi na bromoethane ugboro abụọ, 10mL oge ọ bụla.Ijikọta akwa akwa, ịsacha ethanol na 2% potassium hydroxide ngwọta, itughari hydrochloric acid na mmiri, ihicha na anhydrous sodium sulfate, na-agbake ihe mgbaze, agụụ fractionating, na ịnakọta ụmụ irighiri na 97 ~ 99 ℃ / 3.3 kPa iji nweta 350 ~ 380 g nke ethyl γ-bromobutyrate (1) nwere mkpụrụ nke 77% ~ 84%.
Na-eji
Ethyl 4-bromobutyrate bụ ihe na-emepụta carboxylate, nke na-enweghị agba, na-apụta ìhè na mmiri mmiri edo edo.Enwere ike iji ya dị ka ihe etiti nke ọgwụ pesticides na ọgwụ, enwere ike iji ya mee nchọpụta ụlọ nyocha na mmepe na mmepụta kemịkal.
Ozi nchekwa
Nkwakọ ngwaahịa: I;II
Ụdị ihe egwu: 6.1
Koodu mpaghara:: 2915900090
WGK_Germany (ndepụta nhazi nke ihe mmetọ mmiri na Germany): 3
Koodu klaasị egwu: R22;R36/37/38
Ntuziaka nchekwa: S26-S36-S37/39
Akara nchekwa: S26: Ọ bụrụ na ị na-ahụ anya, sachaa ya ozugbo na nnukwu mmiri wee zigara dọkịta.
S36: Yiri uwe nchebe kwesịrị ekwesị.
Akara egwu: Xn: Emerụ
