2-Ethyl-3-methyl pyrazine (CAS#15707-23-0)
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. |
| UN ID | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | UQ3335000 |
| TSCA | Bẹẹni |
| HS koodu | 29339900 |
| Akọsilẹ ewu | Irritant |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | III |
| Oloro | GRAS (FEMA). |
Ọrọ Iṣaaju
2-Ethyl-3-methylpyrazine jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- Irisi: 2-ethyl-3-methylpyrazine wa ninu omi ti ko ni awọ tabi fọọmu kirisita to lagbara.
- Solubility: O ni kekere solubility ninu omi, ṣugbọn o le jẹ tiotuka ni Organic epo.
- Iduroṣinṣin: O jẹ agbo-ara ti o duro, ṣugbọn olubasọrọ pẹlu awọn oxidants ti o lagbara ati awọn acids lagbara yẹ ki o yee.
Lo:
- 2-Ethyl-3-methylpyrazine jẹ reagent ti o wọpọ ati pe o tun lo bi agbedemeji ninu iṣelọpọ kemikali.
Ọna:
2-Ethyl-3-methylpyrazine le wa ni pese sile nipasẹ awọn ọna wọnyi:
- Ethyl bromide ni akọkọ ṣe pẹlu pyrazine lati ṣe ipilẹṣẹ 2-ethylpyrazine labẹ awọn ipo ipilẹ.
Lẹhin naa, 2-ethylpyrazine ti ṣe atunṣe pẹlu methyl bromide lati fun 2-ethyl-3-methylpyrazine ti o kẹhin.
Alaye Abo:
- 2-Ethyl-3-methylpyrazine ni gbogbogbo ni a gba pe o jẹ majele kekere, ṣugbọn awọn ilana aabo to dara nilo lati tẹle.
- Yago fun ifasimu, olubasọrọ pẹlu awọ ara ati oju, ati wọ awọn ohun elo aabo ti ara ẹni gẹgẹbi awọn ibọwọ, awọn goggles, ati awọn apata oju.
- Nigbati o ba tọju ati mimu, tọju rẹ kuro ni awọn orisun ina ati awọn aṣoju oxidizing lati yago fun eewu ina ati bugbamu.
- Tọkasi awọn iwe aabo ti o yẹ ati awọn iwe data aabo ti a pese nipasẹ olupese fun alaye diẹ sii ati deede alaye aabo.
