asia_oju-iwe

ọja

Pyridine-2 4-diol (CAS # 84719-31-3)

Ohun-ini Kemikali:

Fọọmu Molecular C5H5NO2
Molar Mass 111.1
iwuwo 1.3113 (iṣiro ti o ni inira)
Ojuami Iyo 272-276 °C (tan.)
Ojuami Boling 208.19°C (iṣiro ti o ni inira)
Oju filaṣi 110.6°C
Omi Solubility 6.211g/L(20ºC)
Solubility DMSO, kẹmika
Vapor Presure 0.00192mmHg ni 25°C
Ifarahan Kirisita funfun
Àwọ̀ ina ofeefee
BRN 108533
pKa pK1:1.37 (+1); pK2:6.45 (0); pK3:13 (+1) (20°C)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Atọka Refractive 1.4260 (iṣiro)
MDL MFCD00006273

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu 36/37/38 - 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 - Wọ aṣọ aabo to dara.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
RTECS UV1146800
HS koodu 29339900
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

2,4-Dihydroxypyridine. O ni awọn ohun-ini wọnyi:

 

Irisi: 2,4-Dihydroxypyridine jẹ okuta funfun ti o lagbara.

Solubility: O ni solubility ti o dara ati pe o jẹ tiotuka ninu omi ati orisirisi awọn nkan ti o wa ni erupẹ.

 

Ligand: Gẹgẹbi ligand fun awọn eka irin iyipada, 2,4-dihydroxypyridine le ṣe awọn eka iduroṣinṣin pẹlu awọn irin, eyiti a lo ni lilo pupọ ni igbaradi ti awọn ayase ati awọn aati iṣelọpọ Organic pataki.

Inhibitor ipata: O ti wa ni lilo bi ọkan ninu awọn irinše ti irin ipata inhibitors, eyi ti o le fe ni aabo irin roboto lati ipata.

 

Ọna igbaradi ti 2,4-dihydroxypyridine jẹ bi atẹle:

 

Ọna ifasẹyin acid Hydrocyaniki: 2,4-dichloropyridine ti ṣe pẹlu hydrocyanic acid lati gba 2,4-dihydroxypyridine.

Ọna ifaseyin Hydroxylation: 2,4-dihydroxypyridine jẹ ipilẹṣẹ nipasẹ iṣesi ti pyridine ati hydrogen peroxide labẹ ayase Pilatnomu kan.

 

Alaye Aabo: 2,4-Dihydroxypyridine jẹ nkan kemikali ati pe o yẹ ki o lo pẹlu iṣọra:

 

Majele ti: 2,4-Dihydroxypyridine jẹ majele ti ni awọn ifọkansi kan ati pe o le fa irritation si oju ati awọ ara nigbati o kan si. Olubasọrọ taara pẹlu ati ifasimu ti eruku rẹ yẹ ki o yago fun.

Ibi ipamọ: 2,4-Dihydroxypyridine yẹ ki o wa ni ipamọ ni ibi gbigbẹ, itura lati yago fun olubasọrọ pẹlu awọn oxidants ati awọn acids lagbara. Lakoko ibi ipamọ, akiyesi yẹ ki o san si aabo ọrinrin lati ṣe idiwọ rẹ lati bajẹ nitori ọrinrin.

Idoti idoti: Idinku ti o yẹ, yẹ ki o wa ni ibamu pẹlu awọn ofin ati ilana agbegbe, lati yago fun idoti ayika.

 

Nigbati o ba nlo 2,4-dihydroxypyridine, awọn ilana ṣiṣe aabo ti o yẹ ati awọn ọna aabo ti ara ẹni, gẹgẹbi wọ awọn ibọwọ ati awọn goggles, yẹ ki o tẹle lati rii daju lilo ailewu.


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