3,5-Dimethyl-4-nitro-1H-pyrazole

3,5-二甲基-4-硝基吡唑

Also known as: AKOS 90439, AKOS B001468, ART-CHEM-BB B001468, TIMTEC-BB SBB009217, 4-NITRO-3,5-DIMETHYL-1H-PYRAZOLE, 3,5-DIMETHYL-4-NITRO-1H-PYRAZOLE, 3,5-Dimethyl-4-nitropyrazole, 1H-Pyrazole,3,5-dimethyl-4-nitro-(9CI), 5-23-05-00160 (Beilstein Handbook Reference), MFCD00052513

3,5-Dimethyl-4-nitro-1H-pyrazole (CAS 14531-55-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O2 and a molecular weight of 141.128 g/mol. It is also known as AKOS 90439, AKOS B001468 and ART-CHEM-BB B001468. Key properties include a melting point of 123-125ºC, a boiling point of 304.5±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 138.0±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14531-55-6
Jingsj CID: J-1431648-7
Molecular Formula: C₅H₇N₃O₂
Chinese Name: 3,5-二甲基-4-硝基吡唑
Molecular Weight: 141.128 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	123-125ºC
Boiling Point	304.5±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	138.0±26.5 °C

Frequently Asked Questions

What is the CAS number of 3,5-Dimethyl-4-nitro-1H-pyrazole?

The CAS number of 3,5-Dimethyl-4-nitro-1H-pyrazole is 14531-55-6.

What are the molecular formula and molecular weight of 3,5-Dimethyl-4-nitro-1H-pyrazole?

3,5-Dimethyl-4-nitro-1H-pyrazole has molecular formula C5H7N3O2 and molecular weight 141.128 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Dimethyl-4-nitro-1H-pyrazole (CAS 14531-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431648-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.