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2-FLUORO-3-NITRO-4-PICOLINE (CAS # 19346-43-1)

Chemical Property:

Molecular Formula C6H5FN2O2
Molar Mass 156.11 Nws
Qhov ntom 1.357 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 33 ℃
Boling Point 264.0 ± 35.0 ° C (Tshaj tawm)
Qhov tshwm sim Khoom
pKa -3.81 ± 0.18 (Kev kwv yees)
Kev cia khoom Inert cua, Chav Kub

Product Detail

Khoom cim npe

Risk thiab Safety

Risk Codes 34 – Ua rau kub hnyiab
Kev nyab xeeb piav qhia S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
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.)

 

 

2-FLUORO-3-NITRO-4-PICOLINE (CAS # 19346-43-1) Kev Taw Qhia

Nws yog ib qho organic compound nrog cov tshuaj formula C6H5FN2O2. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv: Xwm:
yog xim tsis muaj xim rau daj ntseg daj. Nws yog qhov ruaj khov ntawm qhov kub thiab txias thiab insoluble hauv dej, tab sis soluble hauv cov kuab tshuaj organic xws li ethanol thiab dimethylformamide. Nws yog ib qho tsis muaj zog alkaline compound.

Siv:
Nws yog tsuas yog siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis. Nws tuaj yeem siv los npaj ntau yam sib xyaw xws li tshuaj, dyes thiab tshuaj tua kab. Nws feem ntau yog siv los ua cov khoom siv raw rau cov tshuaj tua kab mob, tshuaj tua kab mob thiab tshuaj tua kab hauv chaw ua tshuaj.

Txoj kev:
Kev npaj ntawm mercury tuaj yeem ua tiav los ntawm ntau txoj hauv kev. Ib txoj hauv kev yog los ua 4-picoline nrog hydrogen fluoride lossis sodium fluoride thiab tom qab ntawd nrog nitric acid kom tau txais cov khoom xav tau.

Cov ntaub ntawv kev nyab xeeb:
Nws belongs rau cov organic tebchaw thiab muaj qee yam toxicity. Nyob rau hauv cov txheej txheem ntawm kev ua haujlwm thiab kev siv, nws yog ib qho tsim nyog yuav tsum tau ua kom muaj kev tiv thaiv zoo, nrog rau kev hnav hnab looj tes, tsom iav, khaub ncaws tiv thaiv, thiab lwm yam. Tsis txhob nqus pa, noj thiab tiv nrog daim tawv nqaij. Thaum khaws cia thiab tuav, yuav tsum tau saib xyuas kom tsis txhob muaj hluav taws kub thiab tsis txhob sib cuag nrog oxidants, muaj zog acids thiab lwm yam khoom. Thaum pov tseg cov khoom pov tseg, nws yuav tsum muab pov tseg raws li cov kev cai sib thooj kom tsis txhob muaj kuab paug rau ib puag ncig.


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