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2-Methyl-5-nitropyridine (CAS# 21203-68-9)

Hantida Kiimikada:

Qaanuunka molecular C6H6N2O2
Molar Mass 138.12
Cufnaanta 1.246±0.06 g/cm3 (La saadaaliyay)
Meesha dhalaalaysa 112 C
Boling Point 237.1 ± 20.0 °C (La saadaaliyay)
Barta Fiishka 97.195°C
Biyuhu milmayn Waxoogaa ku milmay biyaha.
Uumiga Uumiga 0.07mmHg at 25°C
Muuqashada Adag
Midabka Jaalle fudud ilaa Brown
pKa 1.92±0.10 (La saadaaliyay)
Xaalada Kaydinta Jawi aan firfircoonayn, Heer kulka qolka
Tusmada Dib-u-celinta 1.558
MDL MFCD04114179

Faahfaahinta Alaabta

Tags Product

Calaamadaha halista Xi - xanaaq
Xeerarka Khatarta 36/37/38 - Cuncun xagga indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36 - Xidho dhar ilaalin ku habboon.

 

Hordhac

2-methyll-5-nitropyridine waa unug dabiici ah oo leh qaacidada kiimikada C6H6N2O2, oo leh sifooyinka soo socda:

 

1. Muuqashada: midab huruud ah oo aan midab lahayn;

2. Urta: ma ur gaar ah;

3. Meesha dhalaalaysa: 101-104 darajo Celsius;

4. Solubility: ku dhawaad ​​aan lagu milmi karin biyaha, ku milma dareerayaasha organic sida ethanol iyo dichloromethane.

 

2-Methyl-5-nitropyridine waxaa inta badan loo isticmaalaa sida walxo ceeriin ah iyo dhexdhexaad ah in synthesis organic iyo warshadaha dawooyinka. Waxaa loo isticmaali karaa isku-dhafka pyridine iyo xeryahooda thiophene, waxaana sidoo kale loo isticmaali karaa diyaarinta sunta cayayaanka, dheeha iyo xeryahooda qaarkood ee daawada.

 

Diyaarinta 2-methyll-5-nitropyridine waxaa lagu fulin karaa tallaabooyinka soo socda:

1.2-pyridine acetic acid iyo sodium nitrite ayaa lagu falceliyaa xaaladaha acidic si loo dhaliyo 2-nitropyridine.

2. Falcelinta 2-Nitro pyridine oo leh reagent methylating (sida methyl iodide) si loo dhaliyo 2-Methyl-5-nitropyridine.

 

Markaad isticmaalayso oo aad kaydinayso 2-methyll-5-nitropyridine, waxaad u baahan tahay inaad fiiro gaar ah u yeelato macluumaadka badbaadada ee soo socda:

-Waa wax guban kara, ka fogow taabashada dabka;

Fiiro gaar ah u yeelo tillaabooyinka ilaalinta inta lagu jiro hawlgalka, sida xidhashada muraayadaha ilaalinta iyo galoofyada;

- iska ilaali neefsashada gaaskeeda ama boodhka, iska ilaali taabashada maqaarka;

-Ku kaydi weel xiran, oo ka fog dabka iyo walxaha oksida;

- Iska ilaali in aad ku darto oksidants ama asiidh adag.


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