Pyrazine
ALDRICH/W401501 - ≥99%, FG
Synonym: 1,4-diazabenzene; 1,4-diazine; 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
| application(s) | flavors and fragrances |
| assay | ≥99% |
| biological source | synthetic |
| bp | 115-116 °C (lit.) |
| density | 1.031 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| food allergen | no known allergens |
| grade | FG |
| Kosher | |
| InChI | 1S/C4H4N2/c1-2-6-4-3-5-1/ |
| InChI key | KYQCOXFCLRTKLS-UHFFFAOYSA |
| mp | 50-56 °C (lit.) |
| organoleptic | pungent; nutty |
| Quality Level | 300  |
| 400 |
|
| reg. compliance | EU Regulation 1334/2008 & 872/2012 |
| SMILES string | c1cnccn1 |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100 g in poly 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 |
| Flash Point(F) | 131.0 °F - closed cup |
| Flash Point(C) | 55 °C - closed cup |
| Purity | ≥99% |
| bp | 115-116 °C (lit.) |
| mp | 50-56 °C (lit.) |
| Density | 1.031 g/mL at 25 °C (lit.) |
| FEMA Number | 4015 |
| UNSPSC | 12164502 |