Hua
Te Purity Ethyl 4-bromobutyrate CAS Nama 2969-81-5 me te Utu Pai
Whakaahuatanga Hua
| Ingoa: | Ethyl 4-bromobutyrate |
| kupu taurite: | 4-Bromobutanoic acid, ethyl ester;BrCH2CH2CH2C(O)OC2H5; waikawa Butanoic, 4-bromo-, ethyl ester;Ethyl 4-bromobutanoate; Ethyl gamma-bromobutyrate;ETHYL 4-BROMO-N-BUTYRATE; ETHYL GAMMA-BROMO-N-BUTYRATE |
| CAS: | 2969-81-5 |
| Tātai: | C6H11BrO2 |
| Te ahua: | He wai kowhai paku |
| EINECS: | 221-005-6 |
| Waehere HS: | 2915900090 |
Tikanga Whakaritenga
I roto i te pounamu tauhohenga me te whakakorikori, te inemahana me te ngongo hau, 200 g (2.33 mol) o te γ -butyrolactone me te 375mL o te waiwaro anhydrous i tapirihia, i whakamatao ki te 0 ℃ i roto i te kaukau tote tio, ka whakamarokehia te hauwai hauwai bromide tae noa ki te kare tonu nga tauhohenga i rereke, ka roa pea te 2 haora.Waiho ki te 0 ℃ mo te 24 haora.Ringihia te tauhohenga ki te 1L wai matao, tino whakaoho, wehea te paparanga waro, ka tango i te paparanga wai me te bromoethane kia rua, 10mL ia wa.Ko te whakakotahi i nga paparanga pararopi, te horoi i te waihano me te 2% konupora waiwai wairewa, te waimeha waikawa maaota me te wai, te whakamaroke ki te konutai konutai konutai, te whakaora i te whakarewa, te hautau hauhau, me te kohi hautau i te 97 ~ 99 ℃/3.3 kPa ki te whiwhi 350 ~ 380 g o te ethyl γ-bromobutyrate (1) me te hua o te 77% ~ 84%.
Whakamahinga
Ko te Ethyl 4- bromobutyrate he huanga carboxylate, he kore tae, he marama ki te wai kowhai.Ka taea te whakamahi hei takawaenga mo nga pesticides me nga rongoa, ka taea te whakamahi i roto i te rangahau taiwhanga me te whanaketanga me te hanga matū.
Mōhiohio Haumarutanga
Koeke Taeke: I;II
Kāwai mōrearea: 6.1
Waehere HS: 2915900090
WGK_Germany (Rārangi whakarōpūtanga o ngā matū parahanga wai i Tiamana): 3
Waehere Akomanga morearea: R22;R36/37/38
Tohutohu Haumaru: S26-S36-S37/39
Tohu Haumaru: S26: Mena ka pa ki nga kanohi, horoi tonu ki te wai maha ka tuku atu ki te taote.
S36: Mau kakahu whakamarumaru tika.
Nga Tohu Whakamate: Xn: He kino
