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3,4-Diaminopyridine

Also known as: Amifampridine, 3,4-DAP, 3,4-Pyridinediamine, Pyridine-3,4-diamine, 4,5-Diaminopyridine, diamino-3,4pyridine, NSC 521760, UNII-RU4S6E2G0J

3,4-Diaminopyridine (CAS 54-96-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3 and a molecular weight of 109.129 g/mol. Key properties include a melting point of 216-218 °C(lit.), a boiling point of 369.3±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 204.9±9.5 °C. It is classified under GHS with signal word Danger and hazard statements H300, H330 — Fatal if inhaled and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54-96-6
Jingsj CID
J-44290-0
Molecular Formula
C5H7N3
Molecular Weight
109.129 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point216-218 °C(lit.)
Boiling Point369.3±22.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point204.9±9.5 °C
Exact Mass109.063995
PSA64.93000
LogP-0.09
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.676
Additional Property24 g/L (20 ºC)

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H300
  • H330 — Fatal if inhaled
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. http://en.wikipedia.org/wiki/3,4-Diaminopyridine#cite_note-4

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 3,4-Diaminopyridine?

The CAS number of 3,4-Diaminopyridine is 54-96-6.

What are the molecular formula and molecular weight of 3,4-Diaminopyridine?

3,4-Diaminopyridine has molecular formula C5H7N3 and molecular weight 109.129 g/mol.

Is 3,4-Diaminopyridine hazardous?

3,4-Diaminopyridine has GHS signal word Danger and hazard statements H300; H330 — Fatal if inhaled; H311 — Toxic in contact with skin.

What are the upstream and downstream products of 3,4-Diaminopyridine?

For 3,4-Diaminopyridine, Upstream Products: 4-Amino-3-nitropyridine, 4-Hydrazino-3-nitropyridine, 4-Benzylamino-3-nitropyridine; Downstream Products: 1H-Imidazo[4,5-c]pyridin-4-ol, 8-bromopyrido[3,4-b]pyrazine, 2-(Trifluoromethyl)-3H-imidazo[4,5-c]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. "3,4-Diaminopyridine (CAS 54-96-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44290-0 (accessed 2026-11-09).

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