asia_oju-iwe

ọja

2-Methoxy-5-nitro-4-picolin (CAS # 6635-90-1)

Ohun-ini Kemikali:

Fọọmu Molecular C7H8N2O3
Molar Mass 168.15
iwuwo 1.247±0.06 g/cm3(Asọtẹlẹ)
Ojuami Iyo 79,0 to 83,0 °C
Ojuami Boling 280.3± 35.0 °C(Asọtẹlẹ)
Oju filaṣi 123.3°C
Omi Solubility Die-die tiotuka ninu omi.
Solubility Chloroform (Diẹ), kẹmika (Diẹ)
Vapor Presure 0.00649mmHg ni 25°C
Ifarahan Funfun-bi ri to
Àwọ̀ Bia Yellow to Bia alagara
pKa 0.02± 0.18 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 1.541
MDL MFCD03095075

Alaye ọja

ọja Tags

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.
R22 – Ipalara 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 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
S39 - Wọ oju / aabo oju.
WGK Germany 3
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

O jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C8H9NO3. Atẹle ni apejuwe ti iseda rẹ, lilo, igbaradi ati alaye ailewu:

 

Iseda:

-Irisi: O ti wa ni a colorless to ina ofeefee kirisita ri to.

-Solubility: O fẹrẹ jẹ insoluble ninu omi, ṣugbọn o ni solubility ti o dara julọ ni awọn ohun elo ti o wa ni erupẹ bi ethanol ati dimethylformamide.

-Melting ojuami: yo ojuami jẹ nipa 72-75 iwọn Celsius.

 

Lo:

-Kẹmika kolaginni: O ti wa ni a commonly lo agbedemeji yellow ti o le ṣee lo lati synthesize miiran Organic agbo.

-Iwadi: O le ṣee lo fun awọn aati iṣelọpọ Organic ati iwadii yàrá miiran.

 

Ọna Igbaradi:

Akopọ le ṣee ṣe nipasẹ awọn igbesẹ wọnyi:

1. Ni akọkọ, 2-methyloxy-5-nitropyridine ni a gba nipasẹ ṣiṣe 2-methyloxy-5-nitropyridine pẹlu nitric acid.

2. Lẹhinna fesi 2-methoxy-5-nitropyridine pẹlu reagent methylating (gẹgẹbi methyl sodium iodide) lati gba ọja ikẹhin.

 

Alaye Abo:

Awọn data ailewu ni opin, ṣugbọn o le jẹ majele si eniyan ati agbegbe. Nigbati o ba nlo, o yẹ ki o tẹle iṣe adaṣe yàrá ti o yẹ, ati mu awọn ọna aabo ti ara ẹni pataki, gẹgẹbi wọ awọn gilaasi aabo ati awọn ibọwọ. Ni afikun, agbo yẹ ki o wa ni ipamọ ati sọsọ rẹ daradara lati yago fun ibajẹ ti agbegbe.


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