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khoom

3-bromo-4-methylbenzonitrile CAS Nr 42872-74-2

Chemical Property:

Molecular Formula C8H6 Nr
Molar Mass 196.04 Nws
Qhov ntom 1.51 ± 0.1 g / cm3 (Kev kwv yees)
Melting Point 41-45 ° C (lit.)
Boling Point 259.1 ± 20.0 ° C (Kev kwv yees)
Flash Point > 230 ° F
Dej Solubility Insoluble hauv dej.
Vapor Siab 0.013mmHg ntawm 25 ° C
Qhov tshwm sim Yellow crystal
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
Refractive Index 1.591 ib
MDL ib 06797818

Product Detail

Khoom cim npe

Risk Codes 20/21/22 - Ua phem los ntawm kev nqus pa, tiv nrog daim tawv nqaij thiab yog tias nqos.
Kev nyab xeeb piav qhia 36 – Hnav khaub ncaws tiv thaiv kom haum.
UN IDs UN 3439
WGK Germany 3
Kev Ceeb Toom Ua phem
Hazard Class 6.1
Packing Group III

 

Taw qhia

Nws yog ib qho organic compound nrog cov tshuaj formula C8H6BrN. Nws yog cov khoom dawb nrog cov ntxhiab tsw tshwj xeeb.

 

Nws feem ntau yog siv los ua ib qho tseem ceeb nruab nrab hauv cov organic synthesis. Nws tuaj yeem siv los ua cov tshuaj, tshuaj tua kab, dyes thiab tshuaj reagents. Piv txwv li, nws tuaj yeem siv rau hauv kev sib txuas ntawm cov tshuaj tua kab mob thiab tshuaj tiv thaiv kab mob. Tsis tas li ntawd, nws tseem tuaj yeem siv los ua cov khoom siv raw rau cov khoom siv hluav taws xob emitting thiab ionic kua.

Muaj ntau ntau txoj kev npaj rau

, thiab ib txoj kev siv feem ntau yog ua rau p-tolylboronic acid nrog brominylformamide. Kev npaj ua haujlwm tshwj xeeb yuav tsum tau kho thiab kho kom zoo raws li qhov xwm txheej tiag tiag.

 

Thaum siv thiab tuav, koj yuav tsum tau xyuam xim rau nws cov ntaub ntawv kev nyab xeeb. Nws yog ib qho organic compound nrog qee yam toxicity thiab irritation, thiab ncaj qha kev sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa ib ntsuj av tau yuav tsum tau zam. Hnav cov khoom tiv thaiv xws li hnab looj tes, tsom iav thiab lub ntsej muag tiv thaiv thaum ua haujlwm. Nyob rau tib lub sijhawm, ua haujlwm hauv qhov chaw uas muaj cua zoo kom tsis txhob muaj plua plav thiab chav. Yog hais tias aspiration los yog noj tau tshwm sim, nrhiav kev kho mob tam sim ntawd.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb