Pyrazine (CAS#290-37-9)
| Awọn koodu ewu | R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R11 - Gíga flammable |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara. S16 – Jeki kuro lati awọn orisun ti iginisonu. |
| UN ID | UN 1325 4.1/PG2 |
| WGK Germany | 3 |
| RTECS | UQ2015000 |
| TSCA | T |
| HS koodu | 29339990 |
| Kíláàsì ewu | 4.1 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
Awọn agbo ogun heterocyclic ti o ni awọn ọta heteronitrogen meji ni awọn ipo 1 ati 4. O jẹ isomer si pyrimidine ati pyridazine. Tiotuka ninu omi, oti ati ether. O ni aromaticity alailagbara, iru si pyridine. Ko rọrun lati faragba awọn aati fidipo elekitirofiki, ṣugbọn o rọrun lati faragba awọn aati aropo pẹlu awọn nucleophiles.
Kọ ifiranṣẹ rẹ nibi ki o si fi si wa
