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

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. 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-1431648-4
Molecular Formula
C5H7N3O2
Molecular Weight
141.128 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125ºC
Boiling Point304.5±37.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point138.0±26.5 °C
Exact Mass141.053833
PSA74.50000
LogP1.51
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.578

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-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.

What are the upstream and downstream products of 3,5-Dimethyl-4-nitro-1H-pyrazole?

For 3,5-Dimethyl-4-nitro-1H-pyrazole, Upstream Products: 3,5-Dimethylpyrazole, 4-Iodo-3,5-dimethyl-1H-pyrazole, 2,4-Pentanedione; Downstream Products: 1,3,5-Trimethyl-1H-pyrazol-4-amine, 3,5-Dimethyl-1H-pyrazol-4-amine, 1,3,5-Trimethyl-4-nitro-1H-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-Dimethyl-4-nitro-1H-pyrazole (CAS 14531-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431648-4 (accessed 2026-11-09).

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