3-Methoxy-2-nitropyridine (CAS# 20265-37-6)
Ewu ati Aabo
| 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 - Wọ aṣọ aabo to dara. |
| WGK Germany | 3 |
| HS koodu | 29333990 |
| Kíláàsì ewu | IKANU |
3-Methoxy-2-nitropyridine (CAS # 20265-37-6) ifihan
iseda:
2-Nitro-3-methoxypyridine jẹ ohun ti o lagbara pẹlu funfun kan si ina irisi okuta-ofeefee. O ni oorun ti o lagbara ati pe o jẹ flammable.
Lilo: O tun le ṣee lo bi ohun elo sintetiki fun awọn awọ ati awọn awọ.
Ọna iṣelọpọ:
2-Nitro-3-methoxypyridine ni a le pese sile nipa didaṣe p-methoxyaniline pẹlu nitric acid. Ọna kolaginni pato le jẹ ifarẹ nitration ti methoxyaniline, atẹle nipa iṣesi ti 2-nitro-3-methoxyaniline ti o gba pẹlu acetone, ati nikẹhin iṣesi gbígbẹ.
Alaye aabo:
2-Nitro-3-methoxypyridine le jẹ majele si ara eniyan bi o ṣe le fa irritation si awọ ara, oju, ati eto atẹgun. Awọn ọna aabo ti o yẹ yẹ ki o mu lakoko lilo ati mimu, gẹgẹbi wọ awọn gilafu aabo, awọn ibọwọ, ati awọn iboju iparada. Rii daju lati yago fun olubasọrọ pẹlu awọn ohun elo ina ati yago fun fifun eruku wọn, gaasi, tabi oru. Ifarabalẹ yẹ ki o san si fifipamọ kuro ni awọn orisun ina ati awọn agbegbe iwọn otutu giga nigba lilo ati titoju.
