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2 4-Dichloropyrimidine (CAS# 3934-20-1)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4H2Cl2N2
Molar Mass 148.98
Yawan yawa 1.6445 (ƙananan ƙididdiga)
Matsayin narkewa 57-61C (lit.)
Matsayin Boling 101 °C/23 mmHg (lit.)
Wurin Flash 101°C/23mm
Ruwan Solubility Mai narkewa cikin ruwa (wani sashi), methanol, chloroform, da ethyl acetate.
Solubility Chloroform (Dan kadan), Ethyl Acetate (Dan kadan), Methanol (Dan kadan)
Tashin Turi 0.298mmHg a 25°C
Bayyanar Fari mai ƙarfi
Launi Fari zuwa rawaya zuwa m ko launin toka
BRN Farashin 110911
pKa -2.84± 0.20 (An annabta)
Yanayin Ajiya Ajiye a cikin duhu wuri, Rufe a bushe, Zazzabin ɗaki
M Danshi Mai Hankali
Fihirisar Refractive 1.6300 (kimantawa)
MDL Saukewa: MFCD00006061
Abubuwan Jiki da Sinadarai Matsayin narkewa 57-62 ° C
zafin jiki 101°C (23mmHg)

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 - Sanya tufafin kariya masu dacewa.
S28A-
ID na UN 1759
WGK Jamus 3
Farashin TSCA Ee
HS Code 29335990
Matsayin Hazard 8
Rukunin tattarawa III

 

Gabatarwa

2,4-Dichloropyrimidine abu ne na halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na 2,4-dichloropyrimidine:

 

inganci:

-2,4-Dichloropyrimidine kristal mara launi tare da ƙamshi mai ƙamshi.

- Yana da ƙananan solubility a cikin ruwa kuma mafi girma mai narkewa a cikin kaushi na kwayoyin halitta.

 

Amfani:

- 2,4-Dichloropyrimidine maganin kashe kwari ne da aka saba amfani dashi don magance ciyawa a cikin amfanin gona.

 

Hanya:

- 2,4-Dichloropyrimidine za a iya shirya ta hanyar amsa pyrimidine tare da iskar chlorine. Narkar da pyrimidine a cikin ferrous chloride da zafi zuwa yanayin da ya dace. Sa'an nan, chlorination dauki ana aiwatar ta hanyar shigar da chlorine gas a cikin tsarin dauki. Ana samun samfurin da aka yi niyya ta hanyar crystallization da matakan tsarkakewa.

 

Bayanin Tsaro:

- 2,4-Dichloropyrimidine abu ne mai ban haushi wanda zai iya yin tasiri mai ban sha'awa akan idanu, fata, da tsarin numfashi.

- Lokacin amfani da 2,4-dichloropyrimidine, sanya safofin hannu masu kariya, tabarau, da abin rufe fuska don tabbatar da samun iska mai kyau.

- Nan da nan bayan fallasa zuwa 2,4-dichloropyrimidine, wanke wurin da abin ya shafa da ruwa mai yawa kuma a nemi kulawar likita cikin gaggawa.

- A lokacin ajiya da sarrafawa, ya kamata a guji hulɗa da oxidants da acid mai karfi don kauce wa halayen haɗari.


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