C4H4N2
80.09 g/mol
Flavor & FragranceDanger
1,4-Diazine
CAS290-37-9EC206-027-6
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavoring agent
1,4-Diazine, also known as This compound, is an aromatic heterocyclic compound. It is used as a flavoring agent in food products.
Flavoring agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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flavor and fragrance ingredient
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Allylbenzene
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flavor and fragrance compound
Safety Reference
Danger
H225Highly flammable liquid and vapour
H228Flammable solid
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 1,4-Diazine (CAS 290-37-9) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
pyrazine
InChIKey
KYQCOXFCLRTKLS-UHFFFAOYSA-N
SMILES
C1=CN=CC=N1
Synonyms (17)
- 1,4-Diazabenzene
- 1,4-Diazin
- 1,4-Diazine
- Glucosamine Impurity 4
- Paradiazine
- Piazine
- Piazine (obsol.)
- Pyrazine
- Pyrazine, purum, >=98.0% (GC)
- Pyrazines
- p-Diazine
- pyrazin
- pyrazine phase III
- pyrazine phase IV
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