CAS 290-37-9 Pyrazine - Materials / Alfa Chemistry

NAVIGATION

Pyrazine

PRICE INQUIRY

Catalog Number

ACM290379

CAS Number

290-37-9

Product Name

Pyrazine

Structure

Category

Metal Organic Frameworks (MOFs)

Synonyms

FEMA 4015;FEMA NUMBER 4015;1,4-DIAZINE;1,4-Diazabenzene;Paradiazine;p-Diazine;Piazine;Pyrazin

Description

Solid;deliquescent crystals or wax-like solid with a pungent, sweet, corn-like, nutty odour

IUPAC Name

pyrazine

Molecular Weight

80.09

Molecular Formula

C4H4N2

Canonical SMILES

C1=CN=CC=N1

InChI

InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H

InChI Key

KYQCOXFCLRTKLS-UHFFFAOYSA-N

Boiling Point

115.0 °C

Melting Point

54 °C

Flash Point

132°F

Purity

>98.0%(GC)

Density

1.031g/mL at 25°C(lit.)

Solubility

freely soluble in water, organic solvents;very soluble (in ethanol)

Appearance

White to Almost white powder to crystal

Application

Pyrazine serves a versatile purpose across various industries due to its unique properties. Primarily, it is used as a flavoring agent, contributing to the distinct tastes and aromas of roasted and toasted foods, including hints of flavors such as cooked spinach or even green peas. Beyond its role in flavor enhancement, pyrazine is a key component in traditional Chinese medicine, acting as a vital ingredient in certain herbal formulations. In the pharmaceutical and perfume industries, pyrazine functions as an intermediate, facilitating the synthesis of a wide range of chemical compounds. This unsaturated heterocyclic compound, recognized for its strong aroma similar to pyridine, also plays a crucial part in creating pyrazine derivatives, which are essential in various chemical preparations.

Storage

Store under inert gas

Complexity

26.5

Covalently-Bonded Unit Count

EC Number

206-027-6

Exact Mass

80.037448g/mol

Formal Charge

Hazard Statements

H315 : Causes skin irritation.H319 : Causes serious eye irritation.H228 : Flammable solid.

Heavy Atom Count

Log P

-0.26 (LogP);-0.26;-0.26

MDL Number

MFCD00006122

Monoisotopic Mass

80.037448g/mol

NSC Number

400221

Precautionary Statements

P240 : Ground/bond container and receiving equipment.P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment.P264 : Wash skin thoroughly after handling.P280 : Wear protective gloves/ eye protection/ face protection.P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.P337 + P313 : If eye irritation persists: Get medical advice/ attention.P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.P332 + P313 : If skin irritation occurs: Get medical advice/ attention.P362 : Take off contaminated clothing and wash before reuse.

Rotatable Bond Count

Safety Description

26-36-16

Signal Word

Warning

Supplemental Hazard Statements

H315-H319-H228-H335

UNII

2JKE371789

Vapor Pressure

10.81 mmHg

XLogP3