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ọja

2 5-Dibromo-3-nitropyridine (CAS# 15862-37-0)

Ohun-ini Kemikali:

Fọọmu Molecular C5H2Br2N2O2
Molar Mass 281.89
iwuwo 2?+-.0.06 g/cm3(Asọtẹlẹ)
Ojuami Iyo 92,0 to 96,0 °C
Ojuami Boling 272.7± 35.0 °C(Asọtẹlẹ)
Oju filaṣi 132.7°C
Solubility tiotuka ni kẹmika
Vapor Presure 0.00263mmHg ni 25°C
Ifarahan ri to
Àwọ̀ Yellow
pKa -5.60± 0.20 (Asọtẹlẹ)
Ibi ipamọ Ipo labẹ gaasi inert (nitrogen tabi Argon) ni 2-8 °C
Atọka Refractive 1.649

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn koodu ewu 25 – Majele ti o ba gbe
Apejuwe Abo 45 – 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
WGK Germany 3
Kíláàsì ewu IKANU

Ọrọ Iṣaaju
2,5-Dibromo-3-nitropyridine (2,5-dibromo-3-nitropyridine) jẹ agbo-ara-ara kan. Diẹ ninu awọn ohun-ini, awọn lilo, igbaradi ati alaye aabo ti 2,5-dibromo-3-nitropyridine ni a fun ni isalẹ:

Awọn ohun-ini:
- Irisi: 2,5-Dibromo-3-nitropyridine jẹ awọ-ofeefee kan.
- Solubility : 2,5-Dibromo-3-nitropyridine jẹ tiotuka ninu awọn ohun elo ti o wa ni erupẹ bi ethanol, dimethyl sulfoxide ati dichloromethane ati insoluble ninu omi.

Nlo:
- 2,5-Dibromo-3-nitropyridine ni a lo bi agbedemeji ni iṣelọpọ Organic.
- O tun lo ni igbaradi ti awọn agbo ogun heterocyclic ti o ni nitrogen, gẹgẹbi awọn itọsẹ pyridine.

Ọna Igbaradi:
- Igbaradi ti 2,5-dibromo-3-nitropyridine jẹ igbagbogbo nipasẹ awọn aati sintetiki. Ọna sintetiki ti o wọpọ ni lati gba ọja ibi-afẹde lati pyridine bi ohun elo ibẹrẹ nipasẹ bromination ati nitration. Awọn igbesẹ sintetiki gangan le ṣe deede bi o ṣe nilo.

Alaye Abo:
-2,5-Dibromo-3-nitropyridine ko ṣe awọn eewu ailewu pataki ni pataki labẹ awọn ipo deede ti lilo.
- Sibẹsibẹ, bi kẹmika kan, awọn iṣe aabo yàrá deede gbọdọ tẹle. Olubasọrọ pẹlu awọ ara, oju ati awọn membran mucous yẹ ki o yee. Awọn ọna aabo ti ara ẹni gẹgẹbi awọn ibọwọ, awọn goggles ati ẹwu yàrá yẹ ki o ṣe akiyesi lakoko mimu.
- Ni ọran ti jijẹ lairotẹlẹ tabi ifasimu ti agbo, wa itọju ilera lẹsẹkẹsẹ. Ni ọran ti awọ ara tabi oju, fọ lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa iranlọwọ iṣoogun.


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