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5-Bromo-2-chloro-3-nitropyridine (CAS # 67443-38-3)

Chemical Property:

Molecular Formula C5H2BrClN2O2
Molar Mass 237.44 Nws
Qhov ntom 1.936 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 65-70 ° C
Boling Point 285.4 ± 35.0 ° C (Kev kwv yees)
Flash Point 126.4°C dej
Solubility DMSO, Methanol
Vapor Siab 0.00483mmHg ntawm 25 ° C
Qhov tshwm sim Ci hmoov hmoov
Xim Daj
pKa -4.99 ± 0.10 (Kev kwv yees)
Kev cia khoom Khaws nyob rau hauv qhov chaw tsaus, kaw hauv qhuav, Chav Kub
Refractive Index 1.627 ib
MDL PAB 00222270

Product Detail

Khoom cim npe

Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos.
R41 - Riam phom loj rau qhov muag
R37/38 - Kab mob ua pa thiab tawv nqaij.
R25 - Toxic yog nqos
R22 - Ua phem yog tias nqos
Kev nyab xeeb piav qhia S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.)
S36 - Hnav khaub ncaws tiv thaiv zoo.
UN IDs 2811 ib
WGK Germany 3
HS Code 293339 0
Kev Ceeb Toom Ua phem
Hazard Class 6.1
Packing Group

 

Taw qhia

2-Chloro-5-bromo-3-nitropyridine yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:

 

Zoo:

2-Chloro-5-bromo-3-nitropyridine yog cov khoom dawb nrog cov ntxhiab tsw. Nws muaj qhov nruab nrab solubility thiab soluble hauv cov kuab tshuaj organic xws li cawv thiab chlorinated hydrocarbons.

 

Kev Siv: Nws kuj tuaj yeem siv rau kev tshawb fawb thiab kev siv hauv chav kuaj.

 

Txoj kev:

Txoj kev npaj ntawm 2-chloro-5-bromo-3-nitropyridine tuaj yeem ua tiav los ntawm ntau txoj hauv kev. Ib txoj hauv kev yog ua kom tiav cov tshuaj chlorine thiab bromine los ntawm kev ntxiv cov tshuaj txhuas chloride los yog lwm yam sulfates nyob rau hauv alkaline tej yam kev mob ntawm 3-bromo-5-nitropyridine. Cov txheej txheem synthesis ntxaws tuaj yeem xa mus rau cov ntaub ntawv tshuaj lom neeg lossis cov ntawv qhia kev tshaj lij.

 

Cov ntaub ntawv kev nyab xeeb:

Cov khoom sib xyaw no yog ib qho muaj zog oxidizing tus neeg sawv cev hauv cov organic synthesis thiab yuav tsum tau saib xyuas thaum khaws cia thiab tuav thaum muaj hluav taws kub lossis tawg.

Tsis txhob sib cuag nrog cov khoom siv hluav taws xob, txo cov neeg ua haujlwm thiab cov khoom siv hluav taws xob.

Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes (lab) hnab looj tes, tsom iav, thiab cov ris tsho hnav yuav tsum tau hnav thaum tuav thiab tuav.

Tsis txhob nqus pa, noj, lossis tiv thaiv daim tawv nqaij.

Nws yuav tsum tau ua kom qhuav thaum khaws cia thiab tsis txhob sib cuag nrog cov dej noo hauv huab cua.

Thaum muab pov tseg, nws yuav tsum muab pov tseg raws li cov kev cai hauv zos thiab yuav tsum tsis txhob muab pov tseg lossis pov tseg rau hauv ib puag ncig.

 


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