2-Acetyl-3-ethyl pyrazine (CAS#32974-92-8)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - 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. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. |
| WGK Germany | 3 |
| TSCA | Bẹẹni |
| HS koodu | 29339900 |
Ọrọ Iṣaaju
2-Acetyl-3-ethylpyrazine jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti agbo:
Awọn ohun-ini: 2-acetyl-3-ethylpyrazine jẹ kirisita ti ko ni awọ ti o lagbara pẹlu eto heterocyclic nitrogen pataki kan. O ni iduroṣinṣin to gaju ati aisi-iyipada ni iwọn otutu yara. O ti wa ni irọrun tiotuka ni diẹ ninu awọn olomi Organic ati pe o kere si tiotuka ninu omi.
Nlo: 2-acetyl-3-ethylpyrazine ni ọpọlọpọ awọn lilo ninu iṣelọpọ Organic. O le ṣee lo bi ayase ti o munadoko fun ọpọlọpọ awọn aati Organic pataki, gẹgẹbi carbonylation, ifoyina, ati amination.
Ọna igbaradi: Awọn ọna pupọ lo wa lati mura 2-acetyl-3-ethylpyrazine, ati pe ọna ti o wọpọ ni a gba nipasẹ didaṣe acetylformamide ati 3-ethylpyrazine. Ni pataki, acetoformamide ati 3-ethylpyrazine ni akọkọ dapọ, kikan labẹ awọn ipo ti o yẹ, ati lẹhinna ọja ibi-afẹde ti gba nipasẹ crystallization ati ìwẹnumọ.
O le jẹ ibinu si awọn oju, awọ ara, ati eto atẹgun, ati awọn ohun elo aabo ti o yẹ gẹgẹbi awọn gilaasi, awọn ibọwọ, ati awọn iboju iparada yẹ ki o wọ nigbati o nṣiṣẹ. Ni ọran ti olubasọrọ lairotẹlẹ tabi ifasimu ti yellow, wẹ tabi kan si dokita kan ni kiakia.
