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LC471 4-Aminopyridine
for synthesis


Order number Packaging Quantity Price €
AC27471 Glass bottle 10 g 24.525
AC27471 Glass bottle 25 g 49.05


Product information
Synonyms 4-Pyridylamine
Hill Formula C5H6N2
Chemical formula 4-(NH2)C5H4N
HS Code 2933 39 99
EC number 207-987-9
Molar mass 94.11 g/mo
CAS number 504-24-5


Chemical and physical data
Ignition temperature 640 °C
Solubility (20 °C) soluble
Melting point 157 – 160 °C
Molar mass 94.11 g/mol
Density 1.26 g/cm3 (25 °C)
Boiling point 274 °C (1013 hPa)
Flash point 164 °C


Safety information
R Phrase R 28-36/38
Very toxic if swallowed.Irritating to eyes and skin.
S Phrase

S 28-36/37-45
After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). .

Categories of danger

very toxic, irritant

Hazard Symbol

Very toxic

Storage class

6.1A Combustible substances, toxic


WGK 3 highly water endangering


Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Transport information
Declaration (transport by sea) IMDG-Code UN 2671 AMINOPYRIDINES, 6.1, II, Segregation Group: 18 (Alkalis)
Declaration (transport by air) IATA-DGR UN 2671 AMINOPYRIDINES, 6.1, II


Toxicological data
LD 50 oral LD50 rat 21 mg/kg


Assay (HClO4) ≥ 98 %
Melting range
– lower value
≥ 157 °C
– upper value ≤ 160 °C
Identity (IR) passes test






139.15 g/mol