Pyrazine（CAS#290-37-9）
| Tulaga lamatia | R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u. R11 – Sili ona mu |
| Fa'amatalaga Saogalemu | S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i. S36 – Fai ofu puipui talafeagai. S16 – Tausia mai mea e mu ai. |
| UN ID | UN 1325 4.1/PG 2 |
| WGK Siamani | 3 |
| RTECS | UQ2015000 |
| TSCA | T |
| HS Code | 29339990 |
| Vasega o Tulaga Lamatia | 4.1 |
| Fa'aputu Vaega | III |
Folasaga
Heterocyclic compound o loʻo i ai le lua heteronitrogen atoms i tulaga 1 ma le 4. O se isomer i pyrimidine ma pyridazine. Solu i le vai, ava malosi ma le eter. E vaivai le manogi, tutusa ma le pyridine. E le faigofie le faʻaogaina o le electrophilic substitution reactions, ae e faigofie ona faʻafeiloaʻi suiga faʻatasi ma nucleophiles.
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