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khoom

3 5-Dibromo-2-pyridylamine (CAS # 35486-42-1)

Chemical Property:

Molecular Formula C5H4Br2N2
Molar Mass 251.91 ib
Qhov ntom 2.147 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 104-105 ° C (lit.)
Boling Point 253.9 ± 35.0 ° C (Tshaj tawm)
Flash Point 107.3°C dej
Vapor Siab 0.0178mmHg ntawm 25 ° C
Qhov tshwm sim Cov hmoov daj
BRN 1 19390
pKa 1.89 ± 0.49 (Tshaj tawm)
Kev cia khoom Khaws nyob rau hauv qhov chaw tsaus, inert cua, chav tsev kub
MDL PAB 00038041

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
HS Code 293339 0
Hazard Class IRRITANT

 

Taw qhia

2-Amino-3,5-dibromopyridine yog cov organic compound nrog cov tshuaj formula C5H3Br2N. Nws yog dawb crystalline khoom, soluble nyob rau hauv ib co organic solvents xws li ethers thiab cawv.

 

Cov tshuaj no feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis. Nws tuaj yeem siv los npaj ntau yam pyridine derivatives thiab lwm cov organic tebchaw. Nws muaj qee qhov kev siv hauv cov tshuaj, xws li kev sib txuas ntawm qee cov tshuaj tiv thaiv qog thiab tshuaj tiv thaiv kab mob.

 

Muaj ntau txoj hauv kev los npaj 2-Amino-3,5-dibromopyridine. Ib txoj hauv kev zoo tshaj plaws yog los ua 3,5-dibromopyridine nrog ammonia nyob rau hauv cov xwm txheej yooj yim.

 

Hais txog kev nyab xeeb cov ntaub ntawv, 2-Amino-3,5-dibromopyridine yog cov organic compound nrog rau qee qhov kev phom sij. Tej zaum nws yuav ua rau tawv nqaij, qhov muag thiab ua pa, yog li kev tiv thaiv yuav tsum tau ua thaum ua haujlwm, xws li hnav tsom iav, hnab looj tes thiab lub tshuab ua pa. Tsis tas li ntawd, qhov sib xyaw ua ke yuav tsum tau ua haujlwm nyob rau hauv ib qho chaw zoo-ventilated laboratory ib puag ncig thiab ua kom zoo thiab khaws cia. Yog xav paub ntxiv txog kev nyab xeeb, thov mus saib cov ntaub ntawv kev nyab xeeb uas cuam tshuam.


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