Nā huahana
ʻO Ethyl 4-bromobutyrate Maʻemaʻe kiʻekiʻe CAS No. 2969-81-5 me ke kumu kūʻai maikaʻi loa.
Hōʻike huahana
| inoa: | Ethyl 4-bromobutyrate |
| ʻōlelo like: | 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 |
| Kumu: | C6H11BrO2 |
| ʻAno: | He wai melemele iki |
| EINECS: | 221-005-6 |
| HS Code: | 2915900090 |
Hana Hoʻomākaukau
I loko o kahi ʻōmole hoʻonā i hoʻolako ʻia me kahi mea hoʻouluulu, thermometer a me ka paipu puka makani, 200 g (2.33 mol) o γ -butyrolactone a me 375mL o anhydrous ethanol i hoʻohui ʻia, hoʻoluʻu i ka 0 ℃ i loko o ka ʻauʻau paʻakai hau, a hoʻokomo ʻia ke kinoea hydrogen bromide maloʻo a hiki i ʻAʻole i hoʻololi ʻia nā reactants, a ma kahi o 2 mau hola.E waiho i ka 0 ℃ no 24h.E ninini i ka reactant i loko o 1L wai anuanu, e hoʻouluulu piha, e hoʻokaʻawale i ka papa organik, a unuhi i ka papa wai me ka bromoethane ʻelua, 10mL i kēlā me kēia manawa.Hoʻohui i nā papa organik, holoi i ka ethanol me 2% potassium hydroxide solution, dilute hydrochloric acid a me ka wai, hoʻomaloʻo me ka sodium sulfate anhydrous, hoʻihoʻi hou i ka solvent, vacuum fractionating, a hōʻiliʻili i nā hakina ma 97 ~ 99 ℃ / 3.3 kPa e loaʻa ai ka 350 ~ 380 g o ka ethyl γ-bromobutyrate (1) me ka hua o 77% ~ 84%.
Hoʻohana
ʻO ka Ethyl 4- bromobutyrate kahi hua carboxylate, ʻaʻohe waihoʻoluʻu, akaka i ka wai melemele.Hiki ke hoʻohana ʻia ma ke ʻano he waena o nā pesticides a me nā lāʻau lapaʻau, a hiki ke hoʻohana ʻia i ka noiʻi a me ka hoʻomohala ʻana a me ka hana kemika.
ʻIke palekana
Ka Papa Hoʻopili: I;II
Māhele Pilikia: 6.1
HS Code: 2915900090
WGK_Kelemānia (Ka papa inoa o nā mea hoʻohaumia wai ma Kelemānia): 3
Helu Papa Hazard: R22;R36/37/38
Nā ʻōlelo aʻoaʻo palekana: S26-S36-S37/39
Hōʻailona palekana: S26: Inā pili me nā maka, holoi koke me ka wai nui a hoʻouna i ke kauka.
S36: E ʻaʻahu i nā lole pale kūpono.
Nā hōʻailona pōʻino: Xn: ʻino
