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109-08-0

Basic Information
CAS No.: 109-08-0
Name: 2-Methylpyrazine
Article Data: 64
Molecular Structure:
Molecular Structure of 109-08-0 (2-Methylpyrazine)
Formula: C5H6N2
Molecular Weight: 94.116
Synonyms: 2-Methyl Pyrazine;2-Methyl-1,4-diazine;Methylpyrazine;Pyrazine, methyl-;Methyl Pyrazine Natural (NEW);
EINECS: 203-645-8
Density: 1.021 g/cm3
Melting Point: -29 ºC
Boiling Point: 135.1 ºC at 760 mmHg
Flash Point: 50 ºC
Solubility: Fully miscible in water.
Appearance: clear colorless to slightly yellow liquid
Hazard Symbols: HarmfulXn
Risk Codes: 10-22-36/37/38
Safety: 26-36-16
Transport Information: UN 1993 3/PG 3
PSA: 25.78000
LogP: 0.78500
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    Product name: 2-Methylpyrazine CAS No.:109-08-0 Molecule Formula:C5H6N2 Molecule Weight:94.12 Purity: 99.0% Package: 25kg/drum Description:Clear colorless to slightly yellow liquid Manufacture Standards:Enterprise Standard TESTIN

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  • 2-Methylpyrazine

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    2-Methylpyrazine

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Chemistry

Molecular Structure of 2-Methylpyrazine (CAS NO.109-08-0):

IUPAC Name: 2-Methylpyrazine 
Molecular Formula: C5H6N2
Molecular Weight: 94.12
EINECS: 203-645-8
FEMA: 3309
XLogP3: 0.2
H-Bond Donor: 0
H-Bond Acceptor: 2
Melting Point: −29 °C(lit.)
Index of Refraction: 1.503
Molar Refractivity: 27.26 cm3
Molar Volume: 92.1 cm3
Surface Tension: 41 dyne/cm
Density: 1.021 g/cm3
Flash Point: 50 °C
Enthalpy of Vaporization: 35.72 kJ/mol
Boiling Point: 135.1 °C at 760 mmHg
Vapour Pressure: 9.69 mmHg at 25 °C
storage temp.: Flammables area
Classification Code: Mutation data 
Appearance: clear colorless to slightly yellow liquid
Canonical SMILES: CC1=NC=CN=C1
InChI: InChI=1S/C5H6N2/c1-5-4-6-2-3-7-5/h2-4H,1H3
InChIKey: CAWHJQAVHZEVTJ-UHFFFAOYSA-N
Product Categories: Pyrazine; Pyrazines; Mono- & Polyalkylpyrazines; pyrazine Flavor; Alphabetical Listings; Flavors and Fragrances; M-N; Building Blocks; Heterocyclic Building Blocks; Pyrazine compounds

Toxicity Data With Reference

1.    

mmo-smc 8500 µg/L

    FCTXAV    Food and Cosmetics Toxicology. 18 (1980),581.
2.    

cyt-ham:ovr 2500 µg/L

    FCTXAV    Food and Cosmetics Toxicology. 18 (1980),581.
3.    

orl-rat LD50:1800 mg/kg

    DCTODJ    Drug and Chemical Toxicology. 3 (1980),249.
4.    

ipr-mus LD50:1820 mg/kg

    TXAPA9    Toxicology and Applied Pharmacology. 17 (1970),244.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. Mutation data reported. Flammable liquid when exposed to heat, sparks, or flame. Can react with oxidizing materials. To fight fire, use water spray, foam, dry chemical, CO2. When heated to decomposition it emits highly toxic fumes of NOx.
Safety Information of 2-Methylpyrazine (CAS NO.109-08-0):
Hazard Codes: HarmfulXn,IrritantXi,FlammableF
Risk Statements: 10-22-36/37/38 
R10:Flammable. 
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-16 
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
RTECS: UQ3675000
HazardClass: 3
PackingGroup: III

Specification

 2-Methylpyrazine (CAS NO.109-08-0), its Synonyms are 2-Methyl-1,4-diazine ; Methylpyrazine ; Pyrazine, 2-methyl- ; Pyrazine, methyl- .

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