2-Methoxy-3-methylpyrazine (CAS#2847-30-5)
| Awọn aami ewu | Xn – ipalara |
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R37 / 38 - Irritating si eto atẹgun ati awọ ara. R41 - Ewu ti pataki ibaje si oju R10 - flammable |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S39 - Wọ oju / aabo oju. S16 – Jeki kuro lati awọn orisun ti iginisonu. |
| UN ID | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| TSCA | Bẹẹni |
| HS koodu | 29339900 |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
2-Methoxy-3-methylpyrazine (ti a tun mọ si methoxylate) jẹ agbo-ara Organic. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- Irisi: Melafenone jẹ awọ ti ko ni awọ si ina ofeefee gara tabi lulú okuta.
- Solubility: Ko ni irọrun tiotuka ninu omi, ṣugbọn o jẹ tiotuka ninu awọn nkan ti o nfo Organic gẹgẹbi ethanol ati chloroform.
Lo:
Ọna:
Awọn ọna pupọ lo wa lati ṣeto melafenone, ati awọn ti o wọpọ pẹlu awọn meji wọnyi:
- Synthesis nipasẹ ifoyina ifoyina: 2-methoxy-3-methylpyridine ti ṣe pẹlu zinc kiloraidi, ati lẹhinna acidified pẹlu acid lati gba methrafenone.
Agbepọ nipasẹ ifaparọ aropo: Methoxy-3-methylpyridine jẹ ifasilẹ pẹlu aropo kan (bii methyl iodide) labẹ catalysis alkali lati gba methrenone.
Alaye Abo:
- Melafenone jẹ kẹmika kan ati pe o ni awọn eewu kan.
- Yago fun simi si eruku, olubasọrọ pẹlu awọ ara ati oju, ati idilọwọ gbigba.
- Wọ awọn ibọwọ aabo ati awọn gilaasi lati rii daju fentilesonu to dara.
- Egbin yẹ ki o sọnu ni ibamu pẹlu awọn ilana ayika agbegbe.
