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  7. 2,3,5,6-Tetramethylpyrazine, 98+%

2,3,5,6-Tetramethylpyrazine, 98+%

Product Code. 11463827
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Product Code. 11463827 Supplier Thermo Scientific Alfa Aesar Supplier No. A18279.22
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Estimated Shipment: 23-12-2026
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Description

CAS: 1124-11-4 | C8H12N2 | 136.198 g/mol

2,3,5,6-Tetramethylpyrazine is a flavor ingredient of tobacco. It forms cocrystal with 4-hydroxybenzoic acid which exhibits supramolecular synthon polymorphism.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2,3,5,6-Tetramethylpyrazine is a flavor ingredient of tobacco. It forms cocrystal with 4-hydroxybenzoic acid which exhibits supramolecular synthon polymorphism.

Solubility
Soluble in water (4 g/L at 20°C).

Notes
Stable under recommended storage conditions. Incompatible with oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1124-11-4
Molecular Formula C8H12N2
Molecular Weight (g/mol) 136.198
MDL Number MFCD00006146
InChI Key FINHMKGKINIASC-UHFFFAOYSA-N
Synonym tetramethylpyrazine, ligustrazine, pyrazine, tetramethyl, bs factor, tetramethylpyrazin, liqustrazine, tetrapyrazine, 2,3,5,6-tetramethyl pyrazine, chuanxiongzine, ligustizine
PubChem CID 14296
IUPAC Name 2,3,5,6-tetramethylpyrazine
SMILES CC1=C(N=C(C(=N1)C)C)C

Specifications

Melting Point 83°C to 86°C
Density 1.08
pH 7
Boiling Point 190°C
Odor Pleasant
Quantity 100 g
Beilstein 113100
Solubility Information Soluble in water (4g/L at 20°C).
Formula Weight 136.2
Percent Purity ≥98%
Physical Form Crystals or Powder or Crystalline Powder
Chemical Name or Material 2,3,5,6-Tetramethylpyrazine
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