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ibicuruzwa

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

Umutungo wa Shimi:

Inzira ya molekulari C6H6N2O2
Misa 138.12
Ubucucike 1.246 ± 0.06 g / cm3 (Biteganijwe)
Ingingo yo gushonga 112 C.
Ingingo ya Boling 237.1 ± 20.0 ° C (Biteganijwe)
Flash point 97.195 ° C.
Amazi meza Gushonga buhoro mumazi.
Umwuka 0.07mmHg kuri 25 ° C.
Kugaragara Birakomeye
Ibara Umuhondo wijimye kugeza kuri Brown
pKa 1.92 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Ikirere cyimbere, Ubushyuhe bwicyumba
Ironderero 1.558
MDL MFCD04114179

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka 36/37/38 - Kurakaza amaso, sisitemu yubuhumekero nuruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.

 

Intangiriro

2-methyll-5-nitropyridine ni ifumbire mvaruganda hamwe na formula ya chimique C6H6N2O2, ifite ibintu bikurikira:

 

1. Kugaragara: ibara ritagira ibara ryijimye ry'umuhondo;

2. Impumuro: nta mpumuro idasanzwe;

3. Gushonga Ingingo: dogere selisiyusi 101-104;

4. Gukemura: hafi kudashonga mumazi, gushonga mumashanyarazi nka Ethanol na dichloromethane.

 

2-Methyl-5-nitropyridine ikoreshwa cyane nkibikoresho fatizo kandi bigahuza hagati ya synthesis nganda ninganda zimiti. Irashobora gukoreshwa muguhuza pyridine hamwe na thiophene, kandi irashobora no gukoreshwa mugutegura imiti yica udukoko, amarangi hamwe nibindi bintu bimwebimwe murwego rwubuvuzi.

 

Gutegura 2-methyll-5-nitropyridine birashobora gukorwa nintambwe zikurikira:

1.2-pyridine acetike acide na sodium nitrite ikorwa mugihe cya acide kugirango itange 2-nitropyridine.

2. Igisubizo cya 2-Nitro pyridine hamwe na methylating reagent (nka methyl iodide) kubyara 2-Methyl-5-nitropyridine.

 

Mugihe ukoresha no kubika 2-methyll-5-nitropyridine, ugomba kwitondera amakuru yumutekano akurikira:

-Ni umuriro, irinde guhura n'umuriro;

-Kwitondera ingamba zo gukingira mugihe cyo gukora, nko kwambara ibirahure birinda na gants;

-wirinde guhumeka gaze cyangwa ivumbi ryayo, irinde guhura nuruhu;

-Bika mu kintu gifunze, kure yumuriro na okiside;

-Irinde kuvanga na okiside ikomeye cyangwa acide ikomeye.


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