3-(2-Nitrophenyl)-1H-pyrazole

Also known as: 5-(2-Nitrophenyl)-1H-pyrazole, 1H-Pyrazole, 3-(2-nitrophenyl)-, 2-(1H-Pyrazol-3-yl)nitrobenzene, 5-(2-nitrophenyl)pyrazole

3-(2-Nitrophenyl)-1H-pyrazole (CAS 59844-05-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7N3O2 and a molecular weight of 189.171 g/mol. Key properties include a boiling point of 409.6±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.5±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59844-05-2
Jingsj CID: J-1420100-4
Molecular Formula: C₉H₇N₃O₂
Molecular Weight: 189.171 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	409.6±20.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	201.5±21.8 °C
Exact Mass	189.053833
PSA	74.50000
LogP	1.77
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.643

Customs & Trade Information

HS Code	2933199090
Summary	2933199090. 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-(2-Nitrophenyl)-1H-pyrazole?

The CAS number of 3-(2-Nitrophenyl)-1H-pyrazole is 59844-05-2.

What are the molecular formula and molecular weight of 3-(2-Nitrophenyl)-1H-pyrazole?

3-(2-Nitrophenyl)-1H-pyrazole has molecular formula C9H7N3O2 and molecular weight 189.171 g/mol.

What are the upstream and downstream products of 3-(2-Nitrophenyl)-1H-pyrazole?

For 3-(2-Nitrophenyl)-1H-pyrazole, Upstream Products: 1-Vinylimidazole, 2'-Nitroacetophenone; Downstream Products: 2-(1H-Pyrazol-5-yl)aniline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(2-Nitrophenyl)-1H-pyrazole (CAS 59844-05-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1420100-4 (accessed 2026-11-09).

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