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5-Iodo-3-methyl-2-pyridinamine

Also known as: 2-Amino-5-iodo-3-picoline, 2-Amino-5-iodo-3-methylpyridine, 5-Iodo-3-methylpyridin-2-amine, 5-Iodo-3-methyl-pyridin-2-ylamine, 2-Pyridinamine, 5-iodo-3-methyl-

5-Iodo-3-methyl-2-pyridinamine (CAS 166266-19-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7IN2 and a molecular weight of 234.038 g/mol. Key properties include a melting point of 110.2-110.5°C, a boiling point of 303.4±42.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 137.3±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.
166266-19-9
Jingsj CID
J-15551-1
Molecular Formula
C6H7IN2
Molecular Weight
234.038 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point110.2-110.5°C
Boiling Point303.4±42.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point137.3±27.9 °C
Exact Mass233.965378
PSA38.91000
LogP2.52
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.675

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 5-Iodo-3-methyl-2-pyridinamine?

The CAS number of 5-Iodo-3-methyl-2-pyridinamine is 166266-19-9.

What are the molecular formula and molecular weight of 5-Iodo-3-methyl-2-pyridinamine?

5-Iodo-3-methyl-2-pyridinamine has molecular formula C6H7IN2 and molecular weight 234.038 g/mol.

Is 5-Iodo-3-methyl-2-pyridinamine hazardous?

5-Iodo-3-methyl-2-pyridinamine 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 5-Iodo-3-methyl-2-pyridinamine?

For 5-Iodo-3-methyl-2-pyridinamine, Upstream Products: 2-Amino-5-bromo-3-methylpyridine, 2-Amino-3-methylpyridine; Downstream Products: 5-Iodo-3-methyl-2(1H)-pyridinone, 2-Bromo-5-iodo-3-methylpyridine, 2-Chloro-5-iodo-3-methylpyridine.

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

Last updated:

How to cite: Jingsj. "5-Iodo-3-methyl-2-pyridinamine (CAS 166266-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15551-1 (accessed 2026-11-09).

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