Pyrazine (CAS#290-37-9)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta	C4H4N2
Molar Mass	80.09
Yawan yawa	1.031 g/ml a 25 °C (lit.)
Matsayin narkewa	50-56 ° C (lit.)
Matsayin Boling	115-116 ° C (lit.)
Wurin Flash	132°F
Lambar JECFA	951
Ruwan Solubility	MAI RUWANCI
Solubility	Mai narkewa a cikin ruwa, ethanol, ether, da dai sauransu.
Tashin Turi	19.7mmHg a 25°C
Bayyanar	Farin crystal
Takamaiman Nauyi	1.031
Launi	Fari
Merck	14,7957
BRN	Farashin 103905
pKa	0.65 (a 27 ℃)
Yanayin Ajiya	Adana a ƙasa + 30 ° C.
Kwanciyar hankali	Barga. Mai ƙonewa sosai. Rashin jituwa tare da acid, oxidizing jamiái.
M	Hygroscopic
Fihirisar Refractive	1.5235
MDL	Saukewa: MFCD00006122
Amfani	An yi amfani da shi azaman tsaka-tsakin magunguna, Jigon, Matsakaicin kamshi

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Cikakken Bayani

Tags samfurin

Lambobin haɗari	R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R11 - Mai ƙonewa sosai
Bayanin Tsaro	S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S36 - Sanya tufafin kariya masu dacewa. S16 - Ka nisantar da tushen wuta.
ID na UN	UN 1325 4.1/PG 2
WGK Jamus	3
RTECS	UQ2015000
Farashin TSCA	T
HS Code	2933990
Matsayin Hazard	4.1
Rukunin tattarawa	III

Gabatarwa

Mahalli na heterocyclic dauke da kwayoyin heteronitrogen guda biyu a matsayi na 1 da 4. Yana da isomer zuwa pyrimidine da pyridazine. Mai narkewa a cikin ruwa, barasa da ether. Yana da ƙarancin aromaticity, kama da pyridine. Ba abu mai sauƙi ba ne don jujjuya halayen maye gurbin electrophilic, amma yana da sauƙi a juyar da halayen maye gurbin tare da nucleophiles.

Na baya: 2-4-Heptadienal (CAS#5910-85-0)

Na gaba: 2-Ethoxy-3-Isopropyl Pyrazine (CAS#72797-16-1)

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