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a-Naphthylamine, 1-Aminonaphthalene

Article No. 04795 Grade Extra Pure
Purity 98% CAS No. 134-32-7
Molecular Formula C10H9N Molecular Weight 143.19
H.S. Code 2921.4511 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Reddish Crystalline
Odour Ammonia odor pH value 7.1 at 1 g/l at 20 °C
Melting point/ Freezing point [°C] 47 - 50 °C Flash point [°C] 157 °C
Boiling point [°C] 301 °C Vapour pressure [20°C] 0.004 hPa at 20 °C
Density [g/cm3] 1.114 Solubility in water [% weight] Very slightly soluble in cold water
Partition coefficient Log Pow octanol / water at 20°C 2.1


Appearance Tan to purple coloured crystalline powder Purity (by GC) Min 98%
Melting point 47 - 50 deg C

Safety Information and Hazard Symbols

Exclamation Mark Environment Health Hazard
Symbol: GHS07, GHS08, GHS09
Signal Word: Danger
UN No.: 2077
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H302-H350-H411
Precaution Statement: P201-P273-P308 + P313
Revision Date: 28-Dec-2021

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