Pyrazine, 99+% (dry wt.) water <1.0%

Description

CAS: 290-37-9 | C4H4N2 | 80.09 g/mol

Pyrazine is used in flavoring, fragrance, and dyes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Pyrazine is used in flavoring, fragrance, and dyes.

Solubility
Soluble in water.

Notes
Hygroscopic. Incompatible with oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 290-37-9
• Molecular Formula: C4H4N2
• Molecular Weight (g/mol): 80.09
• MDL Number: MFCD00006122
• InChI Key: KYQCOXFCLRTKLS-UHFFFAOYSA-N
• Synonym: 1,4-diazine, p-diazine, paradiazine, piazine, 1,4-diazabenzene, pyrazin, ccris 1331, 1,4-diazin, mixture, mu-pyrazine;
• PubChem CID: 9261
• ChEBI: CHEBI:30953
• IUPAC Name: pyrazine
• SMILES: C1=CN=CC=N1

• Melting Point: 50°C to 56°C
• Density: 1.031
• Boiling Point: 113°C to 116°C
• Flash Point: 55°C (131°F)
• Odor: Strong
• Refractive Index: 1.5235
• Quantity: 25 g
• UN Number: UN1325
• Beilstein: 103905
• Sensitivity: Hygroscopic
• Merck Index: 14,7957
• Solubility Information: Soluble in water.
• Formula Weight: 80.09
• Percent Purity: ≥99%
• Assay: (dry wt.) water <1.0%
• Chemical Name or Material: Pyrazine

Safety and Handling

Hazard Category	H228-H315-H319-H335
Hazard Statement	GHS H Statement H228-H315-H319-H335 Flammable solid. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P210-P240-P241-P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 4.1; Packing Group: III; Proper Shipping Name: FLAMMABLE SOLIDS, ORGANIC, N.O.S.
EINECSNumber	206-027-6
RTECSNumber	UQ2015000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only