2-Methyl Pyrazine

Description

2-Methyl Pyrazine · CAS 10-98-0 · C5H6N2. UNII RVC6500U9C. Boiling Point: 135.00 °C. @ 761.00 mm Hg; Boiling Point: 137 °C; Melting Point: -29 °C.

Identification

CAS Registry Number	10-98-0
PubChem CID	7976
Molecular formula	C5H6N2
IUPAC name	2-methylpyrazine
UNII (FDA)	RVC6500U9C
FEMA number	3309
JECFA number	761

Computed Descriptors

Molecular Weight	94.11
XLogP3	0.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	94.053098200
Monoisotopic Mass	94.053098200
Topological Polar Surface Area	25.8
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	135.00 °C. @ 761.00 mm Hg
Boiling Point	137 °C
Melting Point	-29 °C
Solubility	1000 mg/mL at 20 °C
Density	1.007-1.033
LogP	0.21
LogP	0.23
Refractive Index	1.501-1.509

Physical description & handling notes

• Colorless liquid; [Alfa Aesar MSDS]
• Liquid
• colourless to slightly yellow liquid with a nutty, cocoa-like odour
• soluble in water and oils
• miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Cocoa, Green, Hazelnut, Popcorn, Roasted No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H226 (100%), H302

Documented Uses

• Used as flavoring agent or adjuvant; [FDA]
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index

Synonyms

2-METHYLPYRAZINE; 109-08-0; Methylpyrazine; Pyrazine, methyl-; Pyrazine, 2-methyl-; 2-Methyl-1,4-diazine; 2-methyl-pyrazine; methyl-pyrazine; FEMA No. 3309; DTXSID4047620; pyrazine, 2-methyl; RVC6500U9C; NSC-30412; NSC-49138; CHEBI:89015; RefChem:1113273

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Methyl Pyrazine?

CAS 10-98-0; molecular formula C5H6N2; molecular weight — g/mol.

What other names is 2-Methyl Pyrazine known by?

2-METHYLPYRAZINE, 109-08-0, Methylpyrazine, Pyrazine, methyl-, Pyrazine, 2-methyl-, 2-Methyl-1,4-diazine.

What is the regulatory status of 2-Methyl Pyrazine?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is 2-Methyl Pyrazine classified as hazardous?

Hazard statements reported: H226, H302.

What are the key physical properties of 2-Methyl Pyrazine?

Boiling Point: 135.00 °C. @ 761.00 mm Hg; Boiling Point: 137 °C; Melting Point: -29 °C; Solubility: 1000 mg/mL at 20 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.