Maple Lactone Pyrazine CAS 23747-48-0

Product Description:

Product Name: Maple lactone pyrazine CAS NO: 23747-48-0

Synonyms:

5H-5-Methyl-6,7-dihydrocyclopentapyrazine;

5-Methyl-6,7-dihydro-5H-cyclopenta-pyrazin;

5-Methyl-2,3-cyclopentenopyrazine;

Chemical & Physical Properties:

Appearance: Clear yellow to yellow-orange to brown liquid

Assay :≥98.0%

Density: 1.055

Boiling Point: 96℃ (20 mmHg)

Flash Point: 79℃

Refractive Index: 1.5295

Water Solubility: Insoluble

Stability: Stable under normal temperatures and pressures

Storage Condition: Store in a cool, dry place. Keep container closed when not in use.

Vapor Pressure: 0.291mmHg at 25℃

Safety Information:

Hazard Class: 8

Safety Statements: S26; S36/37/39

WGK Germany: 3

Packing Group: II

RIDADR: UN 3260 8/PG 2

Risk Statements: R36/37/38

Hazard Code: Xi

5H-5-Methyl-6,7-dihydrocyclopenta(-b)pyrazine has an earthy, baked potato, peanut, roasted odor. It may be prepared from condensation of 2-hydroxy-3-methyl-2-cyclopentene-l-one and ethylene diamine; by condensing a cyclopentenolone with alkylenediamines, or alternatively, an aliphatic α-diketone with 1,2-diamino cyclopentane; the resulting product is dehydrogenated in the presence of palladium over activated charcoal or copper chromite. 5H-5-Methyl-6,7-dihydrocyclopenta(b)pyrazine has an earthy, peanut, roasted odor.

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