2-Acetyl pyrazine (CAS#22047-25-2)

Ohun-ini Kemikali:

Fọọmu Molecular	C6H6N2O
Molar Mass	122.12
iwuwo	1.1075
Ojuami Iyo	76-78°C (tan.)
Ojuami Boling	78-79 ° C 8mm
Oju filaṣi	78-79 ° C / 8mm
Nọmba JECFA	784
Solubility	Tiotuka ninu omi, ni iyara hydrolyzed labẹ acid tabi awọn ipo alkali, insoluble ni ethanol ati ether
Vapor Presure	0.095mmHg ni 25°C
Ifarahan	Crystalline lulú
Àwọ̀	Funfun to Pa-White
Òórùn	guguru-bi oorun
BRN	Ọdun 109630
pKa	0.30± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo	Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Ni imọlara	Rọrun lati fa ọrinrin ati ifarabalẹ si afẹfẹ
Atọka Refractive	1.5350 (iṣiro)
MDL	MFCD00006134
Ti ara ati Kemikali Properties	Yiyo ojuami 75-78 ° C

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

Awọn aami ewu	Xi - Irritant
Awọn koodu ewu	36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo	S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
WGK Germany	2
TSCA	T
HS koodu	29339900
Kíláàsì ewu	IKANU

Ọrọ Iṣaaju

2-acetylpyrazine jẹ ẹya Organic yellow. O ni itọwo ati õrùn ti o jọra si akara ti a yan tabi ounjẹ didin. Atẹle jẹ ifihan alaye si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 2-acetylpyrazine:

Didara:

- Irisi: 2-acetylpyrazine jẹ omi ti ko ni awọ tabi awọ-ofeefee pẹlu õrùn pato kan.

- Solubility: Soluble ni oti, ketone ati ether epo, insoluble ninu omi.

Lo:

Ọna:

Awọn ọna pupọ lo wa lati ṣeto 2-acetylpyrazine:

Ti gba lati ifaseyin ti 1,4-diacetylbenzene ati hydrazine.

Ti gba nipasẹ idinku katalitiki ti 2-acetyl-3-methoxypyrazine ati hydrogen.

Alaye Abo:

- Yago fun olubasọrọ pẹlu awọ ara ati oju, ati wọ awọn ibọwọ ati awọn oju oju nigba lilo.

- Yẹra fun sisimi awọn eefin rẹ ki o ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara.

- Nigbati o ba wa ni ipamọ, o yẹ ki o wa ni ipamọ ni wiwọ, kuro ni ina ati awọn oxidants.