2 5-Dibromo-4-methylpyridine（CAS# 3430-26-0)
| Nā Code Risk | R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili. R20/21/22 – He pōʻino ma ka inhalation, pili me ka ʻili a inā ale ʻia. R41 – Ka pilikia o ka poino nui i na maka R37/38 – Hoʻonanea i ka ʻōnaehana hanu a me ka ʻili. R22 – Poino ke aleia |
| Ka wehewehe palekana | S36/37/39 – E hoʻohana i nā lole pale kūpono, nā mīkina lima a me ka pale maka/maka. S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino. S39 - Hoʻohana i ka pale maka / maka. |
| WGK Kelemānia | 3 |
| HS Code | 29333999 |
| Nānā Hazard | ʻinoʻino |
| Papa Hazard | HOOLAHA |
Hoʻolauna
ʻO ka 2,5-Dibromo-4-methylpyridine kahi hui kūlohelohe. Eia ka wehewehe kikoʻī i nā waiwai, hoʻohana, nā ʻano hoʻomākaukau a me ka ʻike palekana o kēia pūhui:
ʻAno maikaʻi:
ʻO 2,5-Dibromo-4-methylpyridine kahi paʻa me nā ʻano kala ʻole i ka melemele. Loaʻa ka solubility ikaika a hiki ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe organik he nui. He pūhui paʻa ʻole ia e wāwahi maʻalahi i ka lā.
E hoʻohana:
Hoʻohana pinepine ʻia kēia pūhui ma ke ʻano he mea maka a me ka reagent i ka synthesis organik.
Hanana:
Hoʻomākaukau nuiʻia ka 2,5-Dibromo-4-methylpyridine e ka hopena o ka brominated p-toluene a me pyridine. Hoʻopili ʻo P-toluene me ka bromide cuprous e hana i 2-bromotoluene, a laila hana pū me ka pyridine ma lalo o ka catalysis acid e hana i kahi huahana hope.
ʻIke palekana:
Pono e mālama ʻia ka 2,5-Dibromo-4-methylpyridine me ka mālama ʻana no ka mea he mea ʻawaʻawa. Pono e mālama ʻia e pale aku i ka pili ʻana me ka ʻili, nā maka, a me ka ʻōpū hanu i ka wā o ka hana. Pono e ʻaʻahu ʻia nā lako pale pilikino e like me nā mīkina lima, nā maka pale, a me nā maka pale i ka wā e hoʻohana ʻia ai i loko o ka hale hana. Ke mālama ʻia a mālama ʻia, pono e mālama ʻia mai nā mea hiki ke ahi a me nā mea oxidizing. Inā ale ʻia ka mea ʻai a i ʻole ʻia me ka hewa, pono e ʻimi koke i ka lāʻau lapaʻau. I ka wā e hoʻolei ai i ka ʻōpala, pono e mālama ʻia nā lula kūloko a pono e hoʻolei pono ʻia ka ʻōpala i mea e pale aku ai i ka haumia i ke kaiapuni.
