N2-methylpyridine-2,3-diamine

Also known as: 2,3-pyridinediamine, N-methyl-, N-methylpyridine-2,3-diamine, N2-Methyl-2,3-pyridinediamine, N2-Methylpyridine-2,3-diamine

N2-methylpyridine-2,3-diamine (CAS 5028-20-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9N3 and a molecular weight of 123.156 g/mol. Key properties include a boiling point of 303.6±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.4±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5028-20-6
Jingsj CID: J-1440639-4
Molecular Formula: C₆H₉N₃
Molecular Weight: 123.156 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	303.6±27.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	137.4±23.7 °C
Exact Mass	123.079643
PSA	50.94000
LogP	0.65
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.652

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. 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 N2-methylpyridine-2,3-diamine?

The CAS number of N2-methylpyridine-2,3-diamine is 5028-20-6.

What are the molecular formula and molecular weight of N2-methylpyridine-2,3-diamine?

N2-methylpyridine-2,3-diamine has molecular formula C6H9N3 and molecular weight 123.156 g/mol.

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. "N2-methylpyridine-2,3-diamine (CAS 5028-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440639-4 (accessed 2026-11-09).

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