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2-Mercapto Pyrazine (CAS#38521-06-1)

Hantida Kiimikada:

Qaanuunka molecular C4H4N2S
Molar Mass 112.15
Cufnaanta 1.30±0.1 g/cm3 (La saadaaliyay)
Meesha dhalaalaysa 207-213°C
Boling Point 191.3 ± 23.0 °C (La saadaaliyay)
Barta Fiishka 69.5°C
Uumiga Uumiga 0.519mmHg at 25°C
Muuqashada budo ilaa crystal
Midabka Jaalle fudud ilaa Brown
pKa 8.44±0.20 (La saadaaliyay)
Xaalada Kaydinta 2-8°C
Tusmada Dib-u-celinta 1.662

Faahfaahinta Alaabta

Tags Product

WGK Germany 3

 

Hordhac

2-Mercaptopyrazine waa unug dabiici ah oo leh qaacidada kiimikada C4H4N2S. Waa crystalline cad oo adag oo leh ur xun. Kuwa soo socda waa sharaxaadda dabeecadda, isticmaalka, diyaarinta iyo macluumaadka badbaadada 2-Mercaptopyrazine:

 

Dabeecadda:

-Muuqaalka: Caddaan crystalline adag

-Miisaanka molecular: 112.16g/mol

- dhibic dhalaalaysa: 80-82 ℃

Barta karkarinta: qiyaastii 260 ℃

-Ku milmay: Ku milmay aashitada, alkali, ethanol iyo ether, wax yar oo biyo ku milmay.

 

Isticmaal:

- 2-Mercaptopyrazine waxaa loo isticmaali karaa dhexdhexaad muhiim ah oo ku saabsan isku-darka organic waxayna ka ciyaari kartaa door muhiim ah isku-darka daawooyinka iyo sunta cayayaanka.

-Waxaa loo isticmaali karaa in lagu diyaariyo dheeha pyrazine, dhexdhexaadiyeyaasha dawooyinka iyo isku-xidhka isku-dubbaridka.

 

Habka Diyaarinta:

2-Mercaptopyrazine waa la soo saari karaa:

1. Falcelinta 2-bromopyrazine leh sodium hydrogen sulfate ee biyaha/ethanol si loo siiyo 2-Mercaptopyrazine. Xaaladaha falcelinta guud ahaan waa sida in falcelinta lagu kiciyo heerkulka qolka.

2. 2-Mercaptopyrazine waxa kale oo lagu heli karaa falcelinta 2-chloropyrazine oo leh thiol oo hoos yimaada xaaladaha alkaline.

 

Macluumaadka Badbaadada:

- 2-Mercaptopyrazine waa iskudhis cuncun leh oo sababi kara xanaaq marka la taabto maqaarka, indhaha ama neefsashada boodhka.

Xiro qalabka ilaalinta shakhsi ahaaneed sida galoofyada difaaca kiimikaad, muraayadaha badbaadada iyo waji-xidhka marka la qabanayo 2-Mercaptopyrazine.

-Markaad isticmaalayso xaruntan, fadlan iska hubi inaad ku shaqeyso meel hawo fiican leh si aad uga fogaato inaad boodhkeeda neefsato.

-Ka fogow xidhiidhka oksaydhiyeyaasha iyo asiidhyada xooggan si aad uga hortagto falcelinta khatarta ah.

Ku kaydi 2-Mercaptopyrazine weel aan hawadu lahayn, kana fog kulaylka iyo ilaha dabka.


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