2 3-Dibromopyridine (CAS # 13534-89-9)
Morearea me te Haumaru
| Waehere Morearea | R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri. R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia. |
| Whakaahuatanga Haumaru | S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi. S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora. S36 – Mau kakahu whakamarumaru tika. |
| UN ID | UN2811 |
| WGK Tiamana | 3 |
| Waehere HS | 29333990 |
| Tuhipoka morearea | Kino/Iriri |
| Te akomanga morearea | 6.1 |
| Roopu Tarapi | III |
2,3-Dibromopyridine (CAS # 13534-89-9) whakataki
Ko te 2,3-dibromopyridine he pūhui waro. E whai ake nei he kupu whakataki mo ona rawa, ona whakamahinga, tikanga whakangao, me nga korero haumaru:
āhua:
Ko te -2,3-dibromopyridine he totoka kore tae ki te kowhai kowhai me te haunga kino.
-Ka whakarewahia i roto i nga whakarewa pararopi penei i te ethanol, te dimethylformamide, me te dichloromethane i te pāmahana rūma, engari karekau i te wai.
-He tairongo tenei puhui ki te marama me te hau, me penapena ki roto i te ipu hiri kia matara atu i te marama.
Kaupapa:
-2,3-dibromopyridine te nuinga o te whakamahia hei takawaenga nui i roto i te whakahiato waro.
-Ka taea te whakamahi mo te whakakapinga me nga tauhohenga condensation i roto i te whakahiato waro.
Tikanga hanga:
-Ko te tikanga mo te whakarite i te 2,3-dibromopyridine na roto i te tauhohenga bromination o te pyridine.
-Ko te tikanga whakarite e whakamahia nuitia ana ko te whakamahana i te pyridine i roto i te wai bromine kukū mo te tauhohenga, a ko te 2,3-dibromopyridine ka puta mai i te otinga tauhohenga i muri i te whakamatao.
Mōhiohio haumarutanga:
Ko te -2,3-dibromopyridine he pūhui irritant ka taea te whakapouri i te kanohi me te kiri ina pa atu.
-Ko nga taputapu whakamarumaru e tika ana penei i nga karapu, motiuri, me nga kakahu whakamarumaru me mau i te wa e mahi ana.
-Kati te tango i te puehu, i te hau ranei, ka mahi ki tetahi waahi whai hau pai.
Tuhia to korero ki konei ka tukuna mai ki a matou
