P56003

Pyrazine

≥99%

• Synonym(s): 1,4-Diazabenzene, 1,4-Diazine, Paradiazine, Piazine, p-Diazine
• Empirical Formula (Hill Notation): C₄H₄N₂
• CAS Number: 290-37-9
• Molecular Weight: 80.09
• Beilstein/REAXYS Number: 103905
• EC Number: 206-027-6
• MDL number: MFCD00006122
• UNSPSC Code: 12352100
• PubChem Substance ID: 24898676
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥99%
• form: crystals
• bp: 115-116 °C (lit.)
• mp: 50-56 °C (lit.)
• density: 1.031 g/mL at 25 °C (lit.)
• SMILES string: c1cnccn1
• InChI: 1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H
• InChI key: KYQCOXFCLRTKLS-UHFFFAOYSA-N

Description

General description

Pyrazine is a 1,4-diazine and an electron-deficient N-heteroarene found in several natural products, APIs, agrochemicals, and functional materials.

Application

Pyrazine can be used:

• As a bridging ligand in the synthesis of Cu(II) linear chain coordination complexes.
• To prepare Cu(I) derived coordination polymers, which are used in the synthesis of metal-organic frameworks (MOFs).

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
• flash_point_f: 131.0 °F - closed cup
• flash_point_c: 55 °C - closed cup
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges