2-Chloro-5-Formyl-4-Picoline (CAS# 884495-38-9)
| Awọn aami ewu | Xn – ipalara |
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R36 - Irritating si awọn oju |
| Apejuwe Abo | 26 - Ni irú ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ati ki o wa imọran iwosan. |
Ọrọ Iṣaaju
6-CHLORO-4-METHYLPYRIDIN-3-CARBOXALDEHYDE (2-CHLORO-5-FORMYL-4-PICOLINE) JE ARA OGA. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
- Irisi: 6-Chloro-4-methylpyridine-3-carboxaldehyde jẹ awọ ti ko ni awọ si omi alawọ ofeefee.
- Solubility: O le ti wa ni tituka ni ọpọlọpọ awọn Organic olomi, gẹgẹ bi awọn ethanol, ether, ati chloroform.
- Iduroṣinṣin: Apapọ yii jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn o le decompose labẹ ooru, ina, tabi awọn ipo ekikan ni agbara.
Lo:
- 6-chloro-4-methylpyridine-3-carboxaldehyde jẹ agbedemeji pataki ni iṣelọpọ Organic ati nigbagbogbo lo ni igbaradi ti awọn agbo ogun Organic miiran.
Ọna:
- 6-Chloro-4-methylpyridine-3-carboxaldehyde ni igbagbogbo pese sile nipasẹ iṣesi iṣelọpọ ti o jọra si awọn igbesẹ wọnyi:
1. 4-methylpyridine ti wa ni itọju pẹlu alkali lati gba awọn ions odi ti o baamu.
2. Awọn ions odi ni a ṣe pẹlu kiloraidi cuprous lati dagba awọn agbedemeji bàbà alkyl.
3. Awọn agbedemeji Ejò Alkyl ni a ṣe pẹlu formaldehyde lati ṣe 6-chloro-4-methylpyridine-3-carboxaldehyde.
Alaye Abo:
- 6-Chloro-4-methylpyridine-3-carboxaldehyde le jẹ ipalara si ara eniyan, ati pe awọn ọna aabo pataki yẹ ki o ṣe nigba lilo rẹ, gẹgẹbi wọ awọn ohun elo aabo ti o yẹ (gẹgẹbi awọn ibọwọ, awọn gilaasi, ati awọn aṣọ aabo).
- O yẹ ki o wa ni ipamọ ni itura, gbẹ ati aaye ti o ni afẹfẹ daradara, kuro lati ina ati awọn oxidants.
- Yago fun ifasimu, olubasọrọ awọ ara ati jijẹ lakoko mimu ati lilo.
Lẹsẹkẹsẹ lẹhin olubasọrọ, fi omi ṣan agbegbe awọ ara ti a ti doti pẹlu ọpọlọpọ omi ki o wa itọju ilera.
