5-Bromo-2-3-dichloropyridine CAS 97966-00-2
Ewu ati Aabo
| Awọn koodu ewu | R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R41 - Ewu ti pataki ibaje si oju R37 / 38 - Irritating si eto atẹgun ati awọ ara. R25 – Majele ti o ba gbe |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S39 - Wọ oju / aabo oju. |
| Kíláàsì ewu | IRINKAN |
Ifaara
Iseda:
-Irisi: Ailokun si ina ofeefee gara tabi okuta lulú
-Iwọn ojuami: 62-65 ° C
-Akoko farabale: 248°C
-Iwọn iwuwo: 1.88g/cm³
-ti ko ṣee ṣe ninu omi, tiotuka ninu awọn nkanmimu Organic (bii chloroform, methanol, ether, ati bẹbẹ lọ)
Lo:
- 5-bromo-2,3-dichloropyridine jẹ agbedemeji pataki ni iṣelọpọ Organic.
-It le ṣee lo lati mura ike agbo ti o ni gaseous ipanilara erogba isotopes.
Ọna Igbaradi:
Ọna igbaradi ti -5-bromo-2,3-dichloropyridine jẹ igbagbogbo gba nipasẹ ifaparọ aropo bromination ti 2,3-dichloro-5-nitropyridine. Ọna kan pato ni lati kọkọ fesi 2,3-dichloro-5-nitropyridine pẹlu irawọ owurọ trichloride, ati lẹhinna ṣe ifasilẹ aropo bromine pẹlu bromine.
Alaye Abo:
- 5-bromo-2,3-dichloropyridine jẹ agbo-ara Organic ati pe o nilo lati tẹle awọn ilana ṣiṣe ailewu nigba mimu ati lilo.
-O le jẹ irritating si oju, awọ ara ati eto atẹgun, nitorina wọ awọn goggles, awọn ibọwọ ati iboju-boju.
- Jọwọ tọju rẹ daradara, kuro lati ina, ooru ati oxidant, ki o yago fun olubasọrọ pẹlu acid lagbara ati alkali.
-Ni ọran ifasimu tabi olubasọrọ lairotẹlẹ, nu agbegbe ti o fowo lẹsẹkẹsẹ ki o wa iranlọwọ iṣoogun.
