Pyrazine , 99% , 290-37-9

Synonym(s):
1,4-Diazine;Pyrazine

CAS NO.：290-37-9

Empirical Formula: C4H4N2

Molecular Weight: 80.09

MDL number: MFCD00006122

EINECS: 206-027-6

PRODUCT Properties

• Melting point: 50-56 °C (lit.)
• Boiling point: 115-116 °C (lit.)
• Density: 1.031 g/mL at 25 °C (lit.)
• refractive index: 1.5235
• FEMA: 4015 | PYRAZINE
• Flash point: 132 °F
• storage temp.: Store below +30°C.
• solubility: SOLUBLE
• pka: 0.65(at 27℃)
• form: Crystals
• Specific Gravity: 1.031
• color: White
• Odor: at 0.10 % in propylene glycol. pungent sweet corn like roasted hazelnut barly
• Odor Type: nutty
• Water Solubility: SOLUBLE
• Sensitive: Hygroscopic
• JECFA Number: 951
• Merck: 14,7957
• BRN: 103905
• Dielectric constant: 2.7999999999999998
• Stability: Stable. Highly flammable. Incompatible with acids, oxidizing agents.
• LogP: -0.26
• CAS DataBase Reference: 290-37-9(CAS DataBase Reference)
• NIST Chemistry Reference: Pyrazine(290-37-9)
• EPA Substance Registry System: Pyrazine (290-37-9)

Description and Uses

Pyrazine is used as a flavoring agent. It serves as a component of some herbs in traditional Chinese medicine. It is employed as pharmaceutical intermediates, perfume intermediates and involved in the preparation of other chemicals. In addition to this, it is used in the production of pyrazine 1-oxide.

Safety

• Symbol(GHS): GHS02
• Signal word: Danger
• Hazard statements: H228
• Precautionary statements: P210-P240-P241-P280-P370+P378
• Hazard Codes: Xi,F
• Risk Statements: 36/37/38-11
• Safety Statements: 26-36-16
• RIDADR: UN 1325 4.1/PG 2
• WGK Germany: 3
• RTECS: UQ2015000
• TSCA: T
• HazardClass: 4.1
• PackingGroup: III
• HS Code: 29339990