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khoom

2-Cyano-5-bromomethylpyridine (CAS # 308846-06-2)

Chemical Property:

Molecular Formula C7H5BrN2
Molar Mass 197.03 Nws
Qhov ntom 1.60 ± 0.1 g / cm3 (Kev kwv yees)
Boling Point 329.5 ± 32.0 ° C (Kev kwv yees)
Flash Point 153.087°C dej
Vapor Siab 0 mmHg ntawm 25 ° C
pKa -1.23 ± 0.10 (Kev kwv yees)
Kev cia khoom nyob rau hauv inert gas (nitrogen los yog Argon) ntawm 2-8 ° C
Refractive Index 1.592 ib

Product Detail

Khoom cim npe

Hazard Class IRRITANT

 

Taw qhia

Nws yog ib qho organic compound nrog cov tshuaj formula ntawm C. H brn₂. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:

 

Xwm:

-Cov tsos mob: tsis muaj xim crystalline khoom

-Solubility: Soluble nyob rau hauv cov organic solvents xws li ethanol thiab dimethylformamide

- Melting Point: txog 84-86 ℃

Molecular Luj: 203.05g / mol

 

Siv:

-G tuaj yeem siv los ua cov neeg nruab nrab thiab cov tshuaj reagents hauv cov organic synthesis.

-Nws tuaj yeem siv los tsim cov organic sib txuas xws li tshuaj, xim dyes thiab tshuaj tua kab nrog cov qauv xws li imidazole thiab pyridine.

 

Txoj kev:

- Muaj ntau txoj hauv kev ntawm kev sib txuas, uas tuaj yeem tau txais los ntawm ib qho ntawm cov hauv qab no:

1. Cov tshuaj tiv thaiv ntawm 2-cyano -5-bromomethyl -1-methyl pyridine thiab cyanogen bromide

2. React 2-cyanopyridine nrog methoamine thiab methyl bromide

3. Cov tshuaj tiv thaiv ntawm 2-bromopyridine nrog carbonitrile thiab hydrocyanic acid

 

Cov ntaub ntawv kev nyab xeeb:

- yog ib qho organic compound nrog qee yam toxicity.

-Ib txwm hnav cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes, tsom iav thiab lub tsho tiv no thaum tuav thiab siv.

-Tsis txhob nqus, noj lossis kov daim tawv nqaij kom tsis txhob muaj tshuaj lom.

- Khaws thiab siv nyob rau hauv ib qho chaw nyab xeeb, tsis txhob sib cuag nrog oxidants thiab combustibles.


  • Yav dhau los:
  • Tom ntej:

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