Pyrazine CAS 290-37-9

Product Description:

Product Name: Pyrazine CAS NO: 290-37-9

Synonyms:

Piazine;

1,4-Diazabenzene;

p-Diazine;

Chemical & Physical Properties:

Appearance: White crystals or powder

Assay :≥99.0%

Density: 1.031 g/mL at 25℃ (lit.)

Boiling Point: 115-116℃ (lit.)

Melting Point: 50-56℃ (lit.)

Flash Point: 55.6±0.0℃

Refractive Index: 1.5235

Water Solubility: Soluble

Stability: Stable. Highly flammable. Incompatible with acids, oxidizing agents.

Storage Condition: Flammables area

Safety Information:

RTECS: UQ2015000

Hazard Class: 4.1

Safety Statements: S26; S36; S16

HS Code: 29339990

WGK Germany: 3

Packing Group: III

RIDADR: UN 1325 4.1/PG 2

Risk Statements: R36/37/38; R11

Hazard Codes: Xi; F

Caution Statements: P210; P261; P305 + P351 + P338

Signal Word: Danger

Hazard Declaration: H228; H315; H319; H335

Symbols: GHS02, GHS07

Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2.

Pyrazine is a symmetrical molecule with point group D2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine.Derivatives such as phenazine are well known for their antitumor, antibiotic and diuretic activities.;

Tetramethylpyrazine (also known as ligustrazine) is reported to scavenge superoxide anion and decrease nitric oxide production in human polymorphonuclear leukocytes, and is a component of some herbs in traditional Chinese medicine.

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