2-Methyl-5-nitropyridine（CAS# 21203-68-9)
| Nga Tohu Whakamate | Xi – Irritant |
| Waehere Morearea | 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri. |
| Whakaahuatanga Haumaru | S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora. S36 – Mau kakahu whakamarumaru tika. |
Kupu Whakataki
Ko te 2-methyll-5-nitropyridine he pūhui pararopi me te tātai matū C6H6N2O2, kei a ia ngā āhuatanga e whai ake nei:
1. Te ahua: kore tae ki te karaihe kowhai marama;
2. Kakara: kahore he kakara motuhake;
3. Te Whakarewa: 101-104 nga nekehanga Celsius;
4. Wairewa: tata korekore i roto i te wai, memeha i roto i nga whakarewa pararopi penei i te waiwaro me te dichloromethane.
Ko te 2-Methyl-5-nitropyridine te nuinga e whakamahia ana hei rauemi mata me te takawaenga i roto i te whakahiato waro me te ahumahi rongoa. Ka taea te whakamahi mo te whakahiato o te pyridine me te thiophene pūhui, ka taea hoki te whakamahi mo te whakarite i nga pesticides, waikano me etahi pūhui i roto i te mara o te rongoa.
Ko te whakarite o te 2-methyll-5-nitropyridine ka taea te mahi ma nga waahanga e whai ake nei:
Ko te 1.2-pyridine acetic acid me te konutai nitrite ka tauhohehia i raro i nga tikanga waikawa hei whakaputa i te 2-nitropyridine.
2. Ko te tauhohenga o te 2-Nitro pyridine me te methylating reagent (pēnei i te methyl iodide) hei whakaputa i te 2-Methyl-5-nitropyridine.
A, no te whakamahi me te rokiroki 2-methyll-5-nitropyridine, me aro koe ki nga korero haumaru e whai ake nei:
-He mura ahi, karohia te pa ki te ahi;
-Kia whai whakaaro ki nga tikanga tiaki i te wa e mahi ana, penei i te mau karaehe whakamarumaru me nga karapu;
-kaore e pangia te hau, te puehu ranei, karohia te pa ki te kiri;
-Pokohia i roto i te ipu kati, kia matara atu i te ahi me nga mea whakahaora;
-Kaore e uru ki nga waikura kaha, waikawa kaha ranei.
