2,5-Dimethylpyrazine

Basic Information

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CAS Number

123-32-0

Molecular Formula

C6H8N2

Molecular Weight

108.14 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

15°C

Boiling Point

155 °C

Refractive Index

n20/D 1.502(lit.)

SMILES

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Cc1cnc(cn1)C

InChI

InChI=1S/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3

InChIKey

LCZUOKDVTBMCMX-UHFFFAOYSA-N

LogP

1.0934399999999997

Topological Polar Surface Area

25.78 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

62.9

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Sensitiveness

Hygroscopic

Synonyms & References

English

2,5-Dimethylpyrazine
Ketine
2,5-Dimethylpyrazine (contains 2,6-isomer)
2,5-Dimethylpyrazine, Flavour grade
2.5-Dimethyl Pyrazine
2,4-DIMETHOXYTOLUENE
2,5-Dimethyl
2,5-DiMethyl-1,4-diazine
2,5-Dimethylpiazine
2,5-Dimethylprazin
2,5-dimethyl-pyrazin
5-diMethyl pyrazine
FEMA 3272
FEMA NUMBER 3272
GLYCOLINE
2,5-Dimethyl pyrazine
2,5-Dimethyl-1,4-diazine
KETINE
2,5-DIMETHYLPYRAZINE
2,5-dimethylpyrazine

MDL Number

MFCD00006147

Customs Code

2933990090

FAQ

What is 2,5-Dimethylpyrazine (CAS: 123-32-0)?

2,5-Dimethylpyrazine (CAS: 123-32-0) is a heterocyclic organic compound with the chemical formula C6H6N2. It is a derivative of pyrazine, featuring two methyl groups attached to the nitrogen atoms at positions 2 and 5. This compound is known for its distinctive nutty and roasted aroma, often used in flavoring and fragrance applications. It is a colorless liquid at room temperature and has a moderate boiling point.

What are the main uses of 2,5-Dimethylpyrazine (CAS: 123-32-0)?

2,5-Dimethylpyrazine (CAS: 123-32-0) is primarily used in the food industry as a flavoring agent, particularly in roasted coffee and malt beverages. It also finds applications in pharmaceuticals for its potential antimicrobial properties and in research for studying aromatic compounds and their biological effects. Additionally, it is used in the production of certain dyes and organic chemicals.

Is 2,5-Dimethylpyrazine (CAS: 123-32-0) safe?

2,5-Dimethylpyrazine (CAS: 123-32-0) is generally considered safe when used in regulated amounts, but it should be handled with care. It has low toxicity, though prolonged exposure may cause respiratory irritation. Safety data sheets recommend using appropriate protective equipment, such as gloves and goggles, and ensuring good ventilation during handling. It is not classified as a hazardous substance under standard safety guidelines.

How should 2,5-Dimethylpyrazine (CAS: 123-32-0) be stored?

2,5-Dimethylpyrazine (CAS: 123-32-0) should be stored in a cool, dry, and well-ventilated place, away from direct sunlight. It is best kept in a sealed container made of glass or high-density polyethylene to prevent evaporation and contamination. Storage conditions should maintain a temperature below 25°C and humidity levels below 60% to ensure stability and longevity of the compound.