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Pyrazine （CAS # 290-37-9 Image Ishusho Yerekanwe
  • Pyrazine （CAS # 290-37-9） 1

Pyrazine （CAS # 290-37-9）

Umutungo wa Shimi:

Inzira ya molekulari C4H4N2
Misa 80.09
Ubucucike 1.031 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga 50-56 ° C (lit.)
Ingingo ya Boling 115-116 ° C (lit.)
Flash point 132 ° F.
Umubare wa JECFA 951
Amazi meza SOLUBLE
Gukemura Gushonga mumazi, Ethanol, ether, nibindi
Umwuka 19.7mmHg kuri 25 ° C.
Kugaragara Kirisiti yera
Uburemere bwihariye 1.031
Ibara Cyera
Merk 14.7957
BRN 103905
pKa 0,65 (kuri 27 ℃)
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Igihagararo Ihamye. Birashya cyane. Ntibishobora kubangikanya aside, ibikoresho bya okiside.
Yumva Hygroscopique
Ironderero 1.5235
MDL MFCD00006122
Koresha Ikoreshwa nkumuhuza wimiti, Ibyingenzi, Impumuro nziza

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R11 - Biraka cyane
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.
S16 - Irinde amasoko yo gutwikwa.
Indangamuntu ya Loni UN 1325 4.1 / PG 2
WGK Ubudage 3
RTECS UQ2015000
TSCA T
Kode ya HS 29339990
Icyiciro cya Hazard 4.1
Itsinda ryo gupakira III

 

Intangiriro

Ibikoresho bya Heterocyclic birimo atome ebyiri za heteronitrogen kumwanya wa 1 na 4. Ni isomer kuri pyrimidine na pyridazine. Gukemura mumazi, inzoga na ether. Ifite impumuro nziza, isa na pyridine. Ntibyoroshye guhura na electrophilique yogusimbuza, ariko biroroshye guhura nogusimbuza nucleophile.

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