Pyrazine（CAS#290-37-9）
| Nā Code Risk | R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili. R11 – Hiki ke ahi |
| Ka wehewehe palekana | S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino. S36 – E komo i nā lole pale kūpono. S16 – E hoʻokaʻawale i nā kumu hoʻā. |
| UN ID | UN 1325 4.1/PG 2 |
| WGK Kelemānia | 3 |
| RTECS | UQ2015000 |
| TSCA | T |
| HS Code | 29339990 |
| Papa Hazard | 4.1 |
| Hui Pūʻulu | III |
Hoʻolauna
Heterocyclic pūhui i loaʻa ʻelua heteronitrogen atoms ma nā kūlana 1 a me 4. He isomer ia i ka pyrimidine a me ka pyridazine. Hiki i ka wai, ka waiʻona a me ka ether. Loaʻa iā ia ka aromaticity nāwaliwali, e like me ka pyridine. ʻAʻole maʻalahi ka hoʻokō ʻana i nā hopena hoʻololi electrophilic, akā maʻalahi ke hana i nā hopena hoʻololi me nā nucleophiles.
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou
