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3-Iodo-5-nitropyridin-2-ol

Also known as: 2-Hydroxy-3-iodo-5-nitropyridine, 3-Iodo-5-nitropyridin-2(1H)-one, 3-Iodo-5-nitro-1,2-dihydropyridin-2-one, 3-Iodo-5-nitro-1H-pyridin-2-one, 3-Jod-5-nitro-pyridin-2-ol, MFCD06008303

3-Iodo-5-nitropyridin-2-ol (CAS 25391-58-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3IN2O3 and a molecular weight of 265.993 g/mol. Key properties include a melting point of 203-207ºC(lit.), a boiling point of 383.1±42.0 °C at 760 mmHg, a density of 2.3±0.1 g/cm3 and a flash point of 185.5±27.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25391-58-6
Jingsj CID
J-9643-5
Molecular Formula
C5H3IN2O3
Molecular Weight
265.993 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point203-207ºC(lit.)
Boiling Point383.1±42.0 °C at 760 mmHg
Density2.3±0.1 g/cm3
Flash Point185.5±27.9 °C
Exact Mass265.918823
PSA78.94000
LogP0.72
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.725

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine 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-Iodo-5-nitropyridin-2-ol?

The CAS number of 3-Iodo-5-nitropyridin-2-ol is 25391-58-6.

What are the molecular formula and molecular weight of 3-Iodo-5-nitropyridin-2-ol?

3-Iodo-5-nitropyridin-2-ol has molecular formula C5H3IN2O3 and molecular weight 265.993 g/mol.

Is 3-Iodo-5-nitropyridin-2-ol hazardous?

3-Iodo-5-nitropyridin-2-ol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

What are the upstream and downstream products of 3-Iodo-5-nitropyridin-2-ol?

For 3-Iodo-5-nitropyridin-2-ol, Upstream Products: 2-Hydroxy-5-nitropyridine; Downstream Products: 6-Chloro-5-iodopyridin-3-amine, 2-Chloro-3-iodo-5-nitropyridine, 6-Bromo-5-iodopyridin-3-amine.

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-Iodo-5-nitropyridin-2-ol (CAS 25391-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9643-5 (accessed 2026-11-09).

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