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Pyrazine-2,5-dicarboxylic acid

Also known as: 2,5-Pyrazinedicarboxylic acid, Pyrazine-2,5-dicarboxylic acid, 2,5-Pyrazinedicarboxylic acid (anhydrous), Glipizide Impurity 18, Glipizide Impurity 36, AKOS 90686, MFCD01630902

Pyrazine-2,5-dicarboxylic acid (CAS 122-05-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O4 and a molecular weight of 168.107 g/mol. Key properties include a melting point of 220-230°C, a boiling point of 466.5±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 236.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
122-05-4
Jingsj CID
J-43966-7
Molecular Formula
C6H4N2O4
Molecular Weight
168.107 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point220-230°C
Boiling Point466.5±45.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point236.0±28.7 °C
Exact Mass168.017105
PSA100.38000
LogP-2.01
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.638

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Pyrazine-2,5-dicarboxylic acid?

The CAS number of Pyrazine-2,5-dicarboxylic acid is 122-05-4.

What are the molecular formula and molecular weight of Pyrazine-2,5-dicarboxylic acid?

Pyrazine-2,5-dicarboxylic acid has molecular formula C6H4N2O4 and molecular weight 168.107 g/mol.

What are the upstream and downstream products of Pyrazine-2,5-dicarboxylic acid?

For Pyrazine-2,5-dicarboxylic acid, Upstream Products: 2,5-Dimethylpyrazine, Dimethyl pyrazine-2,5-dicarboxylate, 5-Methylpyrazine-2-carboxylic acid; Downstream Products: Pyrazine, 2-Pyrazinecarboxylic acid, Dimethyl pyrazine-2,5-dicarboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pyrazine-2,5-dicarboxylic acid (CAS 122-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43966-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.