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Molekula

Molekula

4-Aminopyridine

SKU 11822791 CAS 504-24-5 4-(NH2)C5H4N MW 94.11 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

4-Aminopyridine is a heterocyclic organic compound used in pharmaceutical synthesis and as an intermediate in the production of dyes and agrochemicals. It is also the active ingredient in avicide products for controlling nuisance birds, serves as a textile dye fixative, and is used in laboratory research as a potassium channel blocker. It is a white to pale yellow crystalline solid with a molecular weight of 94.11 g/mol, a CAS number of 504-24-5, and a molecular formula of C5H6N2. It is stable at ambient temperatures and should be stored under normal conditions. Molekula supplies 4-Aminopyridine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

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  • 100 g — $111.20 per pack

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Specifications

Property Value
Appearance White crystalline powder
Melting Point 158 - 162℃
Sulphated Ash ≤0.5%
Moisture ≤0.5%
Assay HPLC ≥99.0%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 156 °C
Transport Class 6.1
Packing Group II
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White crystals
Odour Odorless
Melting Point 159 °C
Boiling Point 273 °C
Water Solubility 112 g/L at 20 °C
Solubility (other solvents) Soluble in ethyl ether, benzene; slightly soluble in ligroin; very soluble in ethanol
Vapour Pressure 2.09 × 10⁻⁴ mmHg at 20 °C
pKa pKa = 11
log P (octanol/water) 0.32

Source: PubChem CID 1727 (HSDB, DrugBank)

Identification

Property Value
SKU 11822791
CAS Number 504-24-5
IUPAC Name pyridin-4-amine
EC Number 207-987-9
Molecular Formula 4-(NH2)C5H4N
Molecular Weight 94.11
Exact Mass 94.0531
SMILES C1=CN=CC=C1N
InChIKey NUKYPUAOHBNCPY-UHFFFAOYSA-N
InChI InChI=1S/C5H6N2/c6-5-1-3-7-4-2-5/h1-4H,(H2,6,7)
PubChem CID 1727
UN Number UN2671
REACH Code Y110
TSCA Listed Yes
HTS Code 2933.39.92.00
Tariff Code 2933399999

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H300 Fatal if swallowed
  • H311 + H331 Toxic in contact with skin or if inhaled
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H411 Toxic to aquatic life with long lasting effects

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 4-Pyridinamine
  • 4-Pyridylamine
  • Ampyra
  • Avitrol
  • Dalfampridine
  • Fampridine
  • gamma-Aminopyridine
  • p-Aminopyridine
  • Phillips 1861
  • pyridin-4-amine

Frequently asked questions

What is 4-Aminopyridine used for?

It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the production of antiviral and neurological drugs.

What is the chemical formula and molecular weight of 4-Aminopyridine?

The formula is C5H6N2 and the molecular weight is 94.11 g/mol.

How should 4-Aminopyridine be stored?

It should be stored at ambient temperature, protected from moisture and light, in a tightly sealed container.

What grade of 4-Aminopyridine does Molekula supply?

Molekula supplies 4-Aminopyridine in technical grade, suitable for research and industrial applications.

Can Molekula supply 4-Aminopyridine in bulk?

Yes, Molekula can supply 4-Aminopyridine in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with a purchase of 4-Aminopyridine?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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