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5-Bromo-2 4-dichloropyrimidine (CAS# 36082-50-5)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4HBrCl2N2
Molar Mass 227.87
Yawan yawa 1.781 g/ml a 25 °C (lit.)
Matsayin narkewa 29-30C (lit.)
Matsayin Boling 128°C/15mmHg (lit.)
Wurin Flash >230°F
Solubility Chloroform (Dan kadan), Ether (Dan kadan), Ethyl Acetate (Dan kadan), Toluene (Slig).
Tashin Turi 0.004mmHg a 25°C
Bayyanar Mai marar launi
Takamaiman Nauyi 1.781
Launi Bayyana launin rawaya mara launi zuwa haske
BRN 124441
pKa -4.26± 0.29 (An annabta)
Yanayin Ajiya Yanayin rashin aiki, Zazzabin ɗaki
Fihirisar Refractive n20/D 1.603 (lit.)
MDL Saukewa: MFCD00127818
Abubuwan Jiki da Sinadarai Ruwa mara launi ko haske rawaya
Amfani Ana amfani da shi azaman ɗanyen abu don haɗin pyrimidine da aka maye gurbinsu ta hanyar haɗa halayen maye gurbin nucleophilic da halayen giciye-ɓangarorin aryl-catalyzed.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R23/24/25 - Mai guba ta numfashi, a cikin hulɗa da fata kuma idan an haɗiye shi.
R34 - Yana haifar da konewa
R43 - Yana iya haifar da hankali ta hanyar saduwa da fata
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S27 – Cire duk gurbatattun tufafi nan da nan.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
ID na UN UN 3263 8/PG 2
WGK Jamus 3
HS Code 29335990
Bayanin Hazard Mai guba/Lalata
Matsayin Hazard 8
Rukunin tattarawa III

 

Gabatarwa

5-Bromo-2,4-dichloropyrimidine wani abu ne na halitta.

 

inganci:

- Bayyanar: 5-Bromo-2,4-dichloropyrimidine wani farin kristal ne mai ƙarfi.

- Solubility: 5-Bromo-2,4-dichloropyrimidine yana da ƙarancin solubility a cikin ruwa kuma yana narkewa a cikin abubuwan kaushi na halitta kamar ethanol da acetone.

 

Amfani:

- Maganin kashe qwari: 5-bromo-2,4-dichloropyrimidine za a iya amfani dashi azaman maganin kashe kwari na mahaɗan heterocyclic, galibi don sarrafa ciyawa na ruwa da ciyawa mai faɗi.

 

Hanya:

Ana iya yin kira na 5-bromo-2,4-dichloropyrimidine ta hanyoyi daban-daban, hanyar da aka saba da ita ita ce amsa 2,4-dichloropyrimidine tare da bromine. Gabaɗaya wannan abin da ya faru yana haɓaka ta hanyar sodium bromide.

 

Bayanin Tsaro:

-5-Bromo-2,4-dichloropyrimidine na iya lalacewa a yanayin zafi mai zafi, yana samar da iskar hydrogen chloride mai guba. Yakamata a guji babban yanayin zafi da acid mai ƙarfi yayin sarrafawa da adanawa.

- 5-Bromo-2,4-dichloropyrimidine yana da haushi ga idanu da fata kuma dole ne a kauce masa. Ya kamata a sa safofin hannu masu kariya da suka dace, tabarau, da rigar lab yayin aiki.


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