2-Ethoxy-3-methylpyrazine (CAS#32737-14-7)
| 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 |
Ọrọ Iṣaaju
2-ethoxy-3-methylpyrazine jẹ ẹya Organic yellow. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna igbaradi ati alaye aabo:
Didara:
- Irisi: 2-ethoxy-3-methylpyrazine jẹ omi ti ko ni awọ.
- Solubility: Tiotuka ninu omi, ethanol ati ọpọlọpọ awọn olomi Organic.
Lo:
O le ṣee lo ni iṣelọpọ ti awọn oogun aporo kan (bii polyhydroxysulfamic acid), ati diẹ ninu awọn agbo ogun ti nṣiṣe lọwọ biologically.
Ọna:
- 2-Ethoxy-3-methylpyrazine le ṣee pese ni gbogbogbo nipasẹ transesterification ti 2-methylpyrazine pẹlu ethanol. Ilana kan pato pẹlu: alapapo akọkọ ati aruwo 2-methylpyrazine pẹlu iye ti o yẹ ti ethanol ninu riakito, lẹhinna ṣafikun iye kan ti ayase alkyd (gẹgẹbi Fengyun acid), tẹsiwaju iṣesi alapapo, ati nikẹhin distilling lati gba ọja naa.
Alaye Abo:
- Wọ ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ lab, awọn gilaasi, ati aṣọ aabo lakoko ilana naa.
