1-NAPHTHOL AR
a-Naphthol, 1-Hydroxynaphthalene

Article No. 514090250 Molecular Formula C10H8O
H.S. Code 2907.1510 Molecular Weight 144.17
CAS No. 90-15-3
MSDS
TDS
514090250
 

Physical Properties

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Physical state at 20 °C
Solid
Colour
Off white to brownish
Odour
Slight phenolic odor
Melting 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
UN No 2811
IMCO Class No. 6.1
Hazardous Statement H318-H302-H312-H335-H315
Precaution Statement P271-P280-P302+P352-P304+P340-P305+P351+P338-P310-P403+P233-P501
Packing Group III

Packing

250 G
 

Specifications

Assay % Min 99
Melting point °C 95 - 97
Insolublematter in methanol % Max 0.01
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
Water % Max 0.2
Sulfated ash % Max 0.01