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2 4-Dibromopyridine (CAS# 58530-53-3)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C5H3Br2N
Molar Mass 236.89
Yawan yawa 2.059± 0.06 g/cm3 (An annabta)
Matsayin narkewa 35-40 ° C
Matsayin Boling 238°C (lit.)
Wurin Flash > 110 ℃
Solubility mai narkewa a cikin methanol
Tashin Turi 0.0321mmHg a 25°C
Bayyanar foda don dunƙule don share ruwa
Launi Fari ko mara launi zuwa Kusan fari ko Kusan mara launi
pKa 0.17± 0.10 (An annabta)
Yanayin Ajiya Ajiye a cikin duhu wuri, Rufe a bushe, Zazzabin ɗaki
M Hygroscopic
Fihirisar Refractive 1.607
MDL Saukewa: MFCD01859720

Cikakken Bayani

Tags samfurin

Lambobin haɗari R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi.
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R22 - Yana cutarwa 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 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S36 - Sanya tufafin kariya masu dacewa.
S37 - Sanya safofin hannu masu dacewa.
S22 - Kada ku shaka kura.
ID na UN 2811
WGK Jamus 1
Matsayin Hazard HAUSHI
Rukunin tattarawa

 

Gabatarwa

2,4-Dibromopyridine wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga yanayinsa, amfaninsa, hanyar shiri da bayanin aminci:

 

inganci:

- Bayyanar: 2,4-dibromopyridine ba shi da launi ko haske rawaya crystalline m.

- Solubility: 2,4-dibromopyridine yana narkewa a cikin mafi yawan abubuwan kaushi na kwayoyin halitta kamar ethanol, dimethyl sulfoxide da chloroform.

 

Amfani:

- Rini: Tsakanin rini ne da aka saba amfani da shi wanda za a iya amfani da shi don haɗa rini masu launi daban-daban.

 

Hanya:

2,4-Dibromopyridine za a iya shirya ta hanyoyi masu zuwa:

- Bromination mai haɓakawa: A ƙarƙashin yanayin alkaline, ana iya samun 2,4-dibromopyridine ta hanyar amsa pyridine tare da wakili na brominating.

- Carbon-deuterium chiral halogenation dauki: 2,4-dibromopyridine yana samuwa ta hanyar mayar da ma'auni tare da bromine.

 

Bayanin Tsaro:

Ya kamata a kiyaye aminci da amfani da 2,4-dibromopyridine daidai da abubuwan da ke gaba:

- Wannan fili yana da guba kuma yakamata a kula dashi da kulawa.

- Dole ne a sa kayan kariya da suka dace kamar safar hannu, tabarau, da tufafin kariya yayin sarrafawa da amfani.

- Ki guji shakar kura ko cudanya da fata da idanuwa.

- Ya kamata a yi amfani da shi a wuri mai kyau kuma a guje wa hulɗa da wata hanyar wuta don hana ta kama wuta ko fashewa.

- Ya kamata a bi hanyoyin aiki masu aminci da kyau yayin sarrafawa da ajiya.

 


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