2-5-Dimethyl pyrazine (CAS#123-32-0)
| Zizindikiro Zowopsa | R22 - Zowopsa ngati zitamezedwa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu. |
| Kufotokozera Zachitetezo | S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala. S36 - Valani zovala zoyenera zodzitetezera. |
| Ma ID a UN | NA 1993 / PGIII |
| WGK Germany | 3 |
| Mtengo wa RTECS | UQ2800000 |
| TSCA | Inde |
| HS kodi | 29339990 |
| Zowopsa | Zokwiyitsa |
Mawu Oyamba
2,5-dimethylpyrazine ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha 2,5-dimethylpyrazine.
Ubwino:
2,5-Dimethylpyrazine ndi kristalo wachikasu wonyezimira wopanda utoto wokhala ndi fungo lapadera la utsi, nutty, ndi khofi.
Gwiritsani ntchito:
Njira:
Kukonzekera kwa 2,5-dimethylpyrazine kungathe kuchitidwa ndi njira zosiyanasiyana. Njira wamba ndikupeza chandamale mankhwala ndi ammonolysis wa thioacetylacetone kenako cyclization. Komanso, pali njira zina kaphatikizidwe, monga nitroation wa carbon mankhwala, kuchepetsa acyl oxime, etc.
Zambiri Zachitetezo:
2,5-Dimethylpyrazine ndi yotetezeka kwa anthu ndi chilengedwe pansi pamikhalidwe yogwiritsidwa ntchito bwino
- Zikakhudza khungu ndi maso, zimatha kuyambitsa kuyabwa ndi kutupa, ndipo muyenera kusamala mukamagwiritsa ntchito, monga kuvala magolovesi oteteza ndi magalasi.
- Pewani kutulutsa mpweya kapena fumbi mukamagwira ntchito, chifukwa kupuma kwanthawi yayitali kungayambitse kupsa mtima.
- Kukhudzana ndi okosijeni ndi ma asidi amphamvu kuyenera kupewedwa posunga kuti mupewe zoopsa.
- Mukachitaya, chitayani motsatira malamulo oyenera ndikupewa kutulutsa mwachindunji ku chilengedwe.
