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3,5-Pyrazoledicarboxylic acid

Also known as: 1H-Pyrazole-3,5-dicarboxylic acid, Pyrazole-3,5-dicarboxylic acid, 3,5-Dicarboxy-1H-pyrazole, 3,5-Pyrazoledicarboxylic acid monohydrate, MFCD00005235, EINECS 221-474-7, 3,5-pyrazole dicarboxylic acid

3,5-Pyrazoledicarboxylic acid (CAS 3112-31-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O4 and a molecular weight of 156.096 g/mol. Key properties include a melting point of 292-295 °C (dec.)(lit.), a boiling point of 614.4±40.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 325.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3112-31-0
Jingsj CID
J-1360749-3
Molecular Formula
C5H4N2O4
Molecular Weight
156.096 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point292-295 °C (dec.)(lit.)
Boiling Point614.4±40.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point325.4±27.3 °C
Exact Mass156.017105
PSA103.28000
LogP-0.64
Vapor Pressure0.0±1.9 mmHg at 25°C
Refractive Index1.683

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 3,5-Pyrazoledicarboxylic acid?

The CAS number of 3,5-Pyrazoledicarboxylic acid is 3112-31-0.

What are the molecular formula and molecular weight of 3,5-Pyrazoledicarboxylic acid?

3,5-Pyrazoledicarboxylic acid has molecular formula C5H4N2O4 and molecular weight 156.096 g/mol.

What are the upstream and downstream products of 3,5-Pyrazoledicarboxylic acid?

For 3,5-Pyrazoledicarboxylic acid, Upstream Products: 3,5-Dimethylpyrazole, 2,4-Octanedione, Diethyl 3,5-pyrazoledicarboxylate; Downstream Products: Dimethyl 1H-pyrazole-3,5-dicarboxylate, Diethyl 3,5-pyrazoledicarboxylate, Pyrazole.

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

Last updated:

How to cite: Jingsj. "3,5-Pyrazoledicarboxylic acid (CAS 3112-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360749-3 (accessed 2026-11-09).

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