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2-Methyl pyrazine (CAS#109-08-0)

Hantida Kiimikada:

Qaanuunka molecular C5H6N2
Molar Mass 94.11
Cufnaanta 1.03 g/ml at 25 °C (iftiin)
Meesha dhalaalaysa -29 °C (iftiin)
Boling Point 135 °C/761 mmHg ( shidan)
Barta Fiishka 122°F
Lambarka JECFA 761
Biyuhu milmayn Si buuxda u milmaan biyaha.
Uumiga Uumiga 9.69mmHg at 25°C
Muuqashada Dareere
Midabka Cad aan midab lahayn ilaa waxoogaa huruud ah
BRN 105778
pKa 1.45 ( saacada 27 ℃)
Xaalada Kaydinta 2-8°C
Tusmada Dib-u-celinta n20/D 1.504 (lit.)
Tilmaamaha Jirka iyo Kiimikada Cufnaanta 1.03
dhibic dhalaalaysa -29 ° C
barta karkarinta 135°C (761 torr)
index refractive 1.5042
dhibic flash ah 50°C
Isticmaal Loo isticmaalo dheeha iyo warshadaha dawooyinka, laakiin sidoo kale sida wax lagu daro dhadhanka cuntada

Faahfaahinta Alaabta

Tags Product

Xeerarka Khatarta R10 - guban kara
R22 - Waxyeelo leh haddii la liqo
R36/37/38 - Waxay ka xanaajisaa indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36 - Xidho dhar ilaalin ku habboon.
S16 - Ka fogow ilaha dabka.
Aqoonsiga UN-ka UN 1993 3/PG 3
WGK Germany 3
RTECS UQ3675000
TSCA Haa
Koodhka HS 29339990
Heerka khatarta 3
Kooxda Baakadaha III

 

Hordhac

2-methylpyridine waa unug dabiici ah. Waa dareere huruud ah oo aan midab lahayn oo cirro leh oo leh ur u eg pyridine.

 

2-Methylpyrazine waxaa caadi ahaan loo isticmaalaa isku-dhafka organic sida reagent, dareere iyo dhexdhexaad ah. Waxaa loo isticmaali karaa sidii ligand si ay u kiciso falcelinta birta-catalyzed.

 

Waxaa jira habab kala duwan oo loogu talagalay diyaarinta 2-methylpyrazine, mid ka mid ah inta badan la isticmaalo waa falcelinta 2-aminopyrazine oo leh reagents methylation sida methyl iodide. Hababka isku dhafan ee gaarka ah waxaa sidoo kale ka mid ah hydrogenation cyanide iyo halogenation of halogenation.

Markaad shaqaynayso, waa in la qaadaa tillaabooyin hawo wanaagsan leh si looga fogaado in la neefsado gaaska ama taabashada maqaarka iyo indhaha. Iska ilaali inaad la xiriirto oksaydhiyeyaasha iyo asiidhyada xooggan si aad uga hortagto falcelinta khatarta ah. Haddi ay dhacdo taabasho shil ah ama neefsashada, isla markiiba raadso daryeel caafimaad.


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