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ibicuruzwa

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

Umutungo wa Shimi:

Inzira ya molekulari C5H6N2
Misa 94.11
Ubucucike 1.03 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -29 ° C (lit.)
Ingingo ya Boling 135 ° C / 761 mmHg (lit.)
Flash point 122 ° F.
Umubare wa JECFA 761
Amazi meza Byuzuye nabi mumazi.
Umwuka 9.69mmHg kuri 25 ° C.
Kugaragara Amazi
Ibara Sobanura ibara ritagira ibara ry'umuhondo
BRN 105778
pKa 1.45 (kuri 27 ℃)
Imiterere y'Ububiko 2-8 ° C.
Ironderero n20 / D 1.504 (lit.)
Ibintu bifatika na shimi Ubucucike 1.03
gushonga -29 ° C.
ingingo itetse 135 ° C (761 torr)
indangantego yo gukuraho 1.5042
flash point 50 ° C.
Koresha Ikoreshwa mu nganda zisiga amarangi na farumasi, ariko kandi nk'inyongera y'ibiryo

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R10 - Yaka
R22 - Byangiza niba byamizwe
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
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 1993 3 / PG 3
WGK Ubudage 3
RTECS UQ3675000
TSCA Yego
Kode ya HS 29339990
Icyiciro cya Hazard 3
Itsinda ryo gupakira III

 

Intangiriro

2-methylpyridine ni ifumbire mvaruganda. Nibara ritagira ibara ryumuhondo wijimye hamwe numunuko wa pyridine.

 

2-Methylpyrazine isanzwe ikoreshwa muri synthesis organique nka reagent, solvent and intermediate. Irashobora gukoreshwa nka ligand ya catalizator ya reaction ya catalizike reaction.

 

Hariho uburyo butandukanye bwo gutegura 2-methylpyrazine, bumwe mubikunze gukoreshwa ni reaction ya 2-aminopyrazine hamwe na methylation reagent nka methyl iodide. Uburyo bwihariye bwa synthesis kandi burimo hydrogenation ya cyanide na halogenation ya halogenation.

Mugihe ukora, hagomba gufatwa ingamba nziza zo guhumeka kugirango wirinde guhumeka imyuka cyangwa guhura nuruhu n'amaso. Irinde guhura na okiside ikomeye na acide kugirango wirinde ingaruka mbi. Mugihe uhuye nimpanuka cyangwa guhumeka, shaka ubuvuzi bwihuse.


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