asia_oju-iwe

ọja

2 5-DICHLORO-3-PICOLINE(CAS# 59782-88-6)

Ohun-ini Kemikali:

Fọọmu Molecular C6H5Cl2N
Molar Mass 162.02
iwuwo 1.319
Ojuami Iyo 42-45 ℃
Ojuami Boling 187 ℃
Oju filaṣi 111℃
Vapor Presure 0.891mmHg ni 25°C
pKa -0.23± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Atọka Refractive 1.547

Alaye ọja

ọja Tags

Awọn aami ewu T – Oloro
Awọn koodu ewu R25 – Majele ti o ba gbe
R36 - Irritating si awọn oju
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.)
UN ID UN 2811 6.1 / PGIII
WGK Germany 3
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

2,5-Dichloro-3-methylpyridine jẹ agbo-ara Organic. Atẹle jẹ ifihan si diẹ ninu awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:

 

Awọn ohun-ini: 2,5-Dichloro-3-methylpyridine jẹ omi ti ko ni awọ tabi ofeefee ti o jẹ ina.

 

Nlo: 2,5-Dichloro-3-methylpyridine ni a maa n lo gẹgẹbi agbedemeji pataki ni iṣelọpọ Organic. O tun le ṣee lo bi paati kan ninu awọn ohun mimu, awọn ayase, ati awọn lubricants.

 

Ọna igbaradi: Awọn ọna pupọ lo wa lati pese 2,5-dichloro-3-methylpyridine. Ọna ti o wọpọ ni lati gba ọja agbedemeji nipa didaṣe methylpyridine pẹlu thionyl kiloraidi, ati lẹhinna chlorination lati ṣe ọja ibi-afẹde. Awọn ọna igbaradi miiran pẹlu idinku ati awọn aati chlorination, laarin awọn miiran.

 

Alaye aabo: 2,5-dichloro-3-methylpyridine yẹ ki o lo ninu ilana aabo. O jẹ irritating ati ibajẹ si oju, awọ ara, ati atẹgun atẹgun ati pe o yẹ ki o fi omi ṣan pẹlu omi pupọ lẹsẹkẹsẹ lẹhin olubasọrọ. Nigbati o ba n ṣiṣẹ, ohun elo aabo ti o yẹ gẹgẹbi awọn gilaasi aabo, awọn ibọwọ ati aṣọ aabo yẹ ki o wọ. Rii daju agbegbe iṣẹ ti o ni afẹfẹ daradara ki o yago fun simi awọn eefin rẹ. Nigbati o ba tọju, tọju rẹ ni aaye afẹfẹ, itura, ibi gbigbẹ, kuro lati ina ati awọn oxidants.


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