3-CHLORO-2-HYDROXY-5-(TRIFLUOROMETHYL)PYRIDINE (CAS# 76041-71-9)
| Awọn koodu ewu | R25 – Majele ti o ba gbe R36 / 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 - Wọ aṣọ aabo ati awọn ibọwọ to dara. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) |
| WGK Germany | 3 |
| HS koodu | 29333990 |
| Kíláàsì ewu | IKANU |
Ọrọ Iṣaaju
3-Chloro-2-hydroxy-5- (trifluoromethyl) pyridine jẹ ẹya eleto. Atẹle jẹ ifihan si iseda rẹ, lilo, awọn ọna iṣelọpọ ati alaye ailewu:
1. Iseda:
- Ifarahan: 3-Chloro-2-hydroxy-5- (trifluoromethyl) pyridine jẹ awọ ti ko ni awọ si awọ ofeefee ti o lagbara.
- Solubility: O fẹrẹ jẹ insoluble ninu omi, ṣugbọn tiotuka ni awọn nkan ti o ni nkan ti o ni nkan bi ether, methanol ati methylene kiloraidi.
- Awọn ohun-ini Kemikali: O jẹ agbo-ara alkali kan ti o ṣe iṣe iṣe yomi si awọn acids. O tun le ṣee lo bi reagent fluorinating lati ṣafihan awọn ẹgbẹ trifluoromethyl sinu awọn agbo ogun Organic miiran.
2. Lilo:
- 3-Chloro-2-hydroxy-5- (trifluoromethyl) pyridine jẹ lilo nigbagbogbo ni awọn aati iṣelọpọ Organic bi ayase tabi reagent. Fun apẹẹrẹ, o le ṣee lo lati ṣe agbero awọn ifunmọ carbon-fluorine ati awọn aati amination.
- O tun le ṣee lo bi ohun elo ibẹrẹ tabi agbedemeji ni iṣelọpọ ipakokoropaeku.
3. Ọna:
Ọna igbaradi ti o wọpọ ni lati fesi pyridine pẹlu trifluoroformic acid ati sulfuric acid lati ṣe 3-chloro-2-hydroxy-5- (trifluoromethyl) pyridine.
4. Alaye Abo:
- 3-Chloro-2-hydroxy-5- (trifluoromethyl) pyridine yẹ ki o yago fun lakoko ipamọ ati lilo ni olubasọrọ pẹlu awọn oxidants ti o lagbara ati awọn combustibles lati yago fun ina tabi bugbamu.
- O le ni ipa ibinu lori awọ ara, oju, ati atẹgun atẹgun, ati awọn ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ, awọn goggles, ati awọn ohun elo aabo atẹgun yẹ ki o wọ nigbati o nṣiṣẹ.
- Nigba lilo tabi mimu agbo, o yẹ ki o ṣee ṣe ni agbegbe ti o ni afẹfẹ daradara ki o yago fun ifasimu tabi mimu lairotẹlẹ. Lẹhin itọju, agbegbe ti a ti doti yẹ ki o wa ni mimọ daradara.
