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2 3-DIBROMO-5-CHLORO PYRIDINE (CAS# 137628-17-2) Aworan Afihan
  • 2 3-DIBROMO-5-CHLORO PYRIDINE (CAS# 137628-17-2) 1

2 3-DIBROMO-5-CHLORO PYRIDINE (CAS# 137628-17-2)

Ohun-ini Kemikali:

Fọọmu Molecular C5H2Br2ClN
Molar Mass 271.34
iwuwo 2.136±0.06 g/cm3(Asọtẹlẹ)
Ojuami Iyo 41,0 to 45,0 °C
Ojuami Boling 259.9± 35.0 °C(Asọtẹlẹ)
Oju filaṣi 111.004°C
Vapor Presure 0.02mmHg ni 25°C
Ifarahan Bia ofeefee gara
pKa -3.85± 0.20 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Atọka Refractive 1.62
MDL MFCD08687254

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn koodu ewu R36 / 37/38 - Irritating si oju, 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.
S37 - Wọ awọn ibọwọ ti o dara.
S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.)
UN ID UN 2811 6.1 / PGIII
Kíláàsì ewu IKANU

2 3-DIBROMO-5-CHLORO PYRIDINE (CAS # 137628-17-2) ifihan

2,3-dibromo-5-chloropyridine jẹ agbo-ara Organic. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi, ati alaye ailewu ti agbo:

iseda:
-Irisi: 2,3-dibromo-5-chloropyridine jẹ awọ ti ko ni awọ si ofeefee to lagbara.
-Solubility: O ni solubility ti o ga julọ ni awọn ohun elo ti o ni nkan ti o ni nkan ti o ni nkan ti o ni imọran ṣugbọn irẹwẹsi kekere ninu omi.

Idi:
2,3-dibromo-5-chloropyridine ni ọpọlọpọ awọn ohun elo ni iṣelọpọ Organic, ni pataki ti a lo ni awọn agbegbe wọnyi:
-Bi awọn fọtosensitizer, o le lo ni awọn aaye bii titẹjade ati iṣelọpọ fọto.

Ọna iṣelọpọ:
Ọna igbaradi ti 2,3-dibromo-5-chloropyridine le ṣee ṣe nipasẹ awọn igbesẹ wọnyi:
Labẹ awọn ipo ti o yẹ, fesi 2,3-dibromopyridine pẹlu irawọ owurọ pentachloride lati ṣe agbejade 2,3-dibromo-5-chloropyridine pentachloride.
Lẹhinna, fesi pentachloride pẹlu iṣuu soda hydroxide tabi awọn ojutu ipilẹ miiran lati gba 2,3-dibromo-5-chloropyridine.

Alaye aabo:
-Awọn lilo ati isẹ ti 2,3-dibromo-5-chloropyridine yẹ ki o gbe ni agbegbe ti o ni afẹfẹ daradara lati yago fun ifihan pipẹ si õrùn tabi eruku rẹ.
- Lakoko iṣẹ naa, ohun elo aabo yẹ ki o wọ, pẹlu awọn ibọwọ aabo kemikali, awọn goggles, ati aṣọ aabo.
-2,3-dibromo-5-chloropyridine jẹ ti awọn bromides Organic ati pe o ni awọn majele ati irritability. O gbodo ti ni lököökan ati ki o titọju daradara lati yago fun olubasọrọ pẹlu combustibles ati ki o ga awọn iwọn otutu.
-Nigba lilo ati sisọnu agbo-ara yii, jọwọ tẹle awọn ibeere ti awọn ilana ṣiṣe ailewu ati awọn ofin ati ilana ti o yẹ.

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