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3-iodo-5-nitropyridin-2-amine

Also known as: 2-Amino-3-iodo-5-nitropyridine, 2-Pyridinamine, 3-iodo-5-nitro-, 3-Iodo-5-nitro-2-pyridinamine, 3-Iodo-5-nitro-pyridin-2-ylamine

3-iodo-5-nitropyridin-2-amine (CAS 25391-56-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4IN3O2 and a molecular weight of 265.009 g/mol. Key properties include a melting point of 231-236ºC, a boiling point of 391.6±42.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 190.7±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25391-56-4
Jingsj CID
J-1500113-5
Molecular Formula
C5H4IN3O2
Molecular Weight
265.009 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point231-236ºC
Boiling Point391.6±42.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point190.7±27.9 °C
Exact Mass264.934814
PSA84.73000
LogP2.54
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.742
Storage Conditions2-8°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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-amine?

The CAS number of 3-iodo-5-nitropyridin-2-amine is 25391-56-4.

What are the molecular formula and molecular weight of 3-iodo-5-nitropyridin-2-amine?

3-iodo-5-nitropyridin-2-amine has molecular formula C5H4IN3O2 and molecular weight 265.009 g/mol.

Is 3-iodo-5-nitropyridin-2-amine hazardous?

3-iodo-5-nitropyridin-2-amine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 3-iodo-5-nitropyridin-2-amine?

For 3-iodo-5-nitropyridin-2-amine, Upstream Products: 2-Amino-5-nitropyridine; Downstream Products: 1H-pyrrolo[2,3-b]pyridin-5-amine, 5-Nitro-1H-pyrrolo[2,3-b]pyridine.

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-amine (CAS 25391-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500113-5 (accessed 2026-11-09).

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