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khoom

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

Chemical Property:

Molecular Formula C6H6N2O
Molar Mass 122.12 Nws
Qhov ntom 1.1075 Nws
Melting Point 76-78 ° C (lit.)
Boling Point 78-79 ° C 8 hli
Flash Point 78-79 ° C / 8 hli
JECFA Number 784 ua
Solubility Soluble nyob rau hauv dej, sai hydrolyzed nyob rau hauv acid los yog alkali tej yam kev mob, insoluble nyob rau hauv ethanol thiab ether
Vapor Siab 0.095mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov
Xim Dawb rau Off-White
tsw paj kws zoo li tsw
BRN 1 09630
pKa 0.30 ± 0.10 (Kev kwv yees)
Kev cia khoom Khaws nyob rau hauv qhov chaw tsaus, kaw hauv qhuav, Chav Kub
rhiab heev Yooj yim rau nqus dej noo thiab rhiab rau huab cua
Refractive Index 1.5350 (kwv yees)
MDL PAB 00006134
Physical thiab Chemical Properties Melting point 75-78 ° C

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 2
TSCA T
HS Code 29339900 ib
Hazard Class IRRITANT

 

Taw qhia

2-acetylpyrazine yog ib qho organic compound. Nws muaj saj thiab aroma zoo ib yam li ci ci los yog zaub mov ci. Cov hauv qab no yog cov lus qhia ntxaws txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2-acetylpyrazine:

 

Zoo:

- Cov tsos mob: 2-acetylpyrazine yog cov kua tsis muaj xim lossis daj daj nrog cov ntxhiab tsw txawv.

- Solubility: Soluble nyob rau hauv cawv, ketone thiab ether solvents, insoluble nyob rau hauv dej.

 

Siv:

 

Txoj kev:

Muaj ntau ntau txoj hauv kev los npaj 2-acetylpyrazine:

- Tau los ntawm cov tshuaj tiv thaiv ntawm 1,4-diacetylbenzene thiab hydrazine.

- Tau txais los ntawm kev txo qis ntawm 2-acetyl-3-methoxypyrazine thiab hydrogen.

 

Cov ntaub ntawv kev nyab xeeb:

- Tsis txhob kov cov tawv nqaij thiab qhov muag, thiab hnav hnab looj tes thiab tsom iav thaum siv.

- Tsis txhob nqus nws cov vapors thiab ua haujlwm hauv qhov chaw muaj cua zoo.

- Thaum khaws cia, nws yuav tsum tau muab kaw kom nruj, kom deb ntawm hluav taws thiab oxidants.

- Ua raws li cov txheej txheem kev nyab xeeb thiab kev ua haujlwm hauv chaw ua haujlwm thaum siv thiab tuav.

 


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb