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4-Bromo-2-methylpyridine (CAS# 22282-99-1)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C6H6BrN
Molar Mass 172.02
Yawan yawa 1.450 g/mL a 25 ° C
Matsayin Boling 76 °C / 14mmHg
Wurin Flash 174°F
Ruwan Solubility Ya bambanta da dichloromethane. Ba a yarda da ruwa ba.
Solubility Dichloromethane
Tashin Turi 0.581mmHg a 25°C
Bayyanar Ruwan Rawaya Mai Kodi
pKa 4.38± 0.10 (An annabta)
Yanayin Ajiya a karkashin inert gas (nitrogen ko argon) a 2-8 ° C
Fihirisar Refractive n 20/D 1.556
Abubuwan Jiki da Sinadarai girma: 1.450
Shafin: 1.556
zafin wuta: 174 °F

Cikakken Bayani

Tags samfurin

Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
R37 / 38 - Haushi ga tsarin numfashi da fata.
R41 - Hadarin mummunan lalacewa ga idanu
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36/39 -
S36 - Sanya tufafin kariya masu dacewa.
ID na UN NA 1993 / PGIII
WGK Jamus 3
HS Code Farashin 2933990
Matsayin Hazard HAUSHI

 

Gabatarwa

2-Methyl-4-bromopyridine wani abu ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shirye-shirye da bayanan aminci na 2-methyl-4-bromopyridine:

 

inganci:

-2-Methyl-4-bromopyridine ba shi da launi zuwa kodadde rawaya mai ƙarfi.

- 2-Methyl-4-bromopyridine kusan ba zai iya narkewa a cikin ruwa amma yana narkewa a cikin kaushi.

 

Amfani:

- 2-Methyl-4-bromopyridine za a iya amfani dashi azaman albarkatun kasa da kuma reagent a cikin kwayoyin halitta.

 

Hanya:

- 2-Methyl-4-bromopyridine za a iya samu ta hanyar amsa 2-methyl-4-pyridine methanol tare da phosphorus tribromide.

- A lokacin daukar ciki, an kara 2-methyl-4-pyridine methanol da phosphorus tribromide a cikin jirgin ruwa mai amsawa, an yi amfani da cakuda mai zafi, sa'an nan kuma an tsarkake 2-methyl-4-bromopyridine ta hanyar distillation da sauran hanyoyin.

 

Bayanin Tsaro:

- 2-Methyl-4-bromopyridine na iya haifar da hangula na idanu, fata, da hanyoyin numfashi kuma ya kamata a guji idan aka yi amfani da su.

- Sanya kayan ido masu kariya, safar hannu da kariya ta numfashi lokacin amfani.

- Abu ne mai guba kuma yakamata a adana shi da kyau kuma a kiyaye shi daga tushen wuta da abubuwan da ke haifar da iskar oxygen.

- Idan 2-methyl-4-bromopyridine an shaka ko an sha, nemi kulawar likita nan da nan.


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