Pyrazine
ALDRICH/P56003 - ≥99%
Synonym: 1,4-Diazabenzene; 1,4-Diazine; Paradiazine; Piazine; p-Diazine
CAS Number: 290-37-9
Empirical Formula (Hill Notation): C4H4N2
Molecular Weight: 80.09
EC Number: 206-027-6
MDL Number: MFCD00006122
Linear Formula: C4H4N2
Product Type: Chemical
| assay | ≥99% |
| bp | 115-116 °C (lit.) |
| density | 1.031 g/mL at 25 °C (lit.) |
| form | crystals |
| InChI | 1S/C4H4N2/c1-2-6-4-3-5-1/ |
| InChI key | KYQCOXFCLRTKLS-UHFFFAOYSA |
| mp | 50-56 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | c1cnccn1 |
| 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). |
| General description: | Pyrazine is a 1,4-diazine and an electron-deficient N-heteroarene found in several natural products, APIs, agrochemicals, and functional materials. |
| Packaging: | 5, 10, 25 g in glass bottle |
| Symbol | GHS02 |
| Signal word | Danger |
| Hazard statements | H228 |
| Precautionary statements | P210 - P240 - P241 - P280 - P370 + P378 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-36/37/38 |
| Safety Statements | 16-26-36 |
| RIDADR | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., H |
| WGK Germany | WGK 3 |
| Purity | ≥99% |
| bp | 115-116 °C (lit.) |
| mp | 50-56 °C (lit.) |
| Density | 1.031 g/mL at 25 °C (lit.) |
| UNSPSC | 12352100 |


