2-甲基-5-乙烯基吡嗪

Description

2-Methyl-5-vinylpyrazine · CAS 13925-08-1 · C7H8N2. UNII 11651I3458. Boiling Point: 65.00 to 66.00 °C. @ 12.00 mm Hg; Boiling Point: 65-66 °C (12 mm Hg); Density: 1.011-1.023.

Identification

CAS Registry Number	13925-08-1
PubChem CID	26335
Molecular formula	C7H8N2
IUPAC name	2-ethenyl-5-methylpyrazine
UNII (FDA)	11651I3458
FEMA number	3211
JECFA number	2127

Computed Descriptors

Molecular Weight	120.15
XLogP3	1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	120.068748264
Monoisotopic Mass	120.068748264
Topological Polar Surface Area	25.8
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	65.00 to 66.00 °C. @ 12.00 mm Hg
Boiling Point	65-66 °C (12 mm Hg)
Density	1.011-1.023
Refractive Index	1.557-1.561

Physical description & handling notes

• Colourless to yellow liquid; Coffee-like aroma
• Very slightly soluble in water; Soluble in acetone
• Soluble (in ethanol)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FLAVOURING_AGENT: Flavouring Agent Flavoring Agents Savory No safety concern at current levels of intake when used as a flavouring agent TRS 974-JECFA 76

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Pyrazine, 2-ethenyl-5-methyl-: INACTIVE

Synonyms

2-METHYL-5-VINYLPYRAZINE; 2-Ethenyl-5-methylpyrazine; Pyrazine, 2-ethenyl-5-methyl-; 2-methyl-5-vinyl-pyrazine; 2-Vinyl-5-methylpyrazine; Pyrazine, 2-methyl-5-vinyl-; 2-Methyl-5-ethenylpyrazine; 2-ethenyl-5-methyl pyrazine; Pyrazine, 2-vinyl,5-methyl; UNII-11651I3458; 2-ethenyl-5-methyl-pyrazine; DTXSID6065680; FEMA NO. 3211; 5-METHYL-2-VINYLPYRAZINE; 2-Ethenyl-5-methylpyrazine, 9CI; 11651I3458

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Methyl-5-vinylpyrazine?

CAS 13925-08-1; molecular formula C7H8N2; molecular weight — g/mol.

What other names is 2-Methyl-5-vinylpyrazine known by?

2-METHYL-5-VINYLPYRAZINE, 2-Ethenyl-5-methylpyrazine, Pyrazine, 2-ethenyl-5-methyl-, 2-methyl-5-vinyl-pyrazine, 2-Vinyl-5-methylpyrazine, Pyrazine, 2-methyl-5-vinyl-.

What is the regulatory status of 2-Methyl-5-vinylpyrazine?

Documented regulatory listings: FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; FLAVOURING_AGENT: Flavouring Agent; Flavoring Agents.

What are the key physical properties of 2-Methyl-5-vinylpyrazine?

Boiling Point: 65.00 to 66.00 °C. @ 12.00 mm Hg; Boiling Point: 65-66 °C (12 mm Hg); Density: 1.011-1.023; Refractive Index: 1.557-1.561.

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.