1-NAPHTHOL AR

a-Naphthol, 1-Hydroxynaphthalene

Article No. 514090500 Molecular Formula C10H8O
H.S. Code 2907.1510 Molecular Weight 144.17
CAS No. 90-15-3

Packing 500 g

514090500

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Physical Properties

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Physical state at 20 °C
Solid
Colour
Off white to brownish
Odour
Slight phenolic odor
Melting point/ Freezing point [°C]
94 - 96 °C
Flash point [°C]
125 °C
Boiling point [°C]
278 - 280 °C
Initial boiling point [°C]
278°C
Final boiling point [°C]
280 °C
Vapour pressure mm/Hg
1 mm Hg @ 940C
Vapour density
4.5
Solubility in water [% weight]
Practically insoluble in water
Partition coefficient Log Pow octanol / water at 20°C
2.85
Explosion limits - upper [%]
5%
Explosion limits -lower [%]
0.80%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark
Symbol GHS05, GHS07
Signal Word Danger
Hazardous Statement H302+H312-H318-H315-H335
Precaution Statement P271-P280-P302+P352-P304+P340-P305+P351+P338-P310-P403+P233-P501
 

Specifications

Purity (by GC) Min 99 %
Melting point 95 - 97°C
Insolublematter in methanol Max 0.01 %
Water (HO2O) Max 0.2 %
Iron (Fe) Max 0.001 %
Chloride (Cl) Max 0.005 %
Heavy metals (as Pb) Max 0.001 %
2-Naphthol Max 0.2 %
Naphthalene Max 0.2 %