8.07064

Pyrazine

for synthesis

• Synonym(s): Pyrazine, 1,4-Diazine
• Empirical Formula (Hill Notation): C₄H₄N₂
• CAS Number: 290-37-9
• Molecular Weight: 80.09
• MDL number: MFCD00006122
• UNSPSC Code: 12352005
• EC Index Number: 206-027-6
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: ≥99.0% (GC)
• form: crystals
• bp: 115-118 °C/1013 hPa
• mp: 49-52 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H
• InChI key: KYQCOXFCLRTKLS-UHFFFAOYSA-N

Description

Application

• X-ray transient absorption reveals the 1Au (npi*) state of pyrazine in electronic relaxation: This study reports on the photoinduced dynamics of pyrazine, providing insights into its electronic relaxation pathways (Scutelnic et al., 2021).


• Theoretical evaluation of corrosion inhibition performance of some pyrazine derivatives: This paper evaluates the efficiency of pyrazine derivatives as corrosion inhibitors, providing a theoretical perspective on their adsorption properties (Obot and Gasem, 2014).


• Pyrazine derivatives as green oil field corrosion inhibitors for steel: Investigates the effectiveness of pyrazine derivatives in preventing corrosion in oil field applications, emphasizing their environmentally friendly properties (Obot et al., 2019).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 51 °C
Melting range (upper value): ≤ 54 °C
Identity (IR): passes test

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H228
• pcodes: P210 - P240 - P241 - P280 - P370 + P378
• Hazard Classifications: Flam. Sol. 1
• Storage Class: 4.1B - Flammable solid hazardous materials
• wgk_germany: WGK 3