1-NAPHTHOL
1-NAPHTHOL AR
Short Name: 1-NAPHTHOL
Synonym: a-Naphthol, 1-Hydroxynaphthalene
Basic Details
Article No.
LG3165
Grade
AR
Purity
99%
CAS No.
90-15-3
HS Code
2907.1510
Shelf Life
36 Months
Packings Avialable
Physical Properties
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%
Chemical Specifications
Appearance
Off-white to brownish flakes
Purity (by GC)
Min 99%
Melting point
95 - 97 deg C
Insoluble matter in methanol
Max 0.01%
Iron (Fe)
Max 0.001%
Chloride (Cl)
Max 0.005%
Heavy metal (as Pb)
Max 0.001%
2-Naphthol
Max 0.2%
Naphthalene
Max 0.2%
Water (H2O)
Max 0.2%
Sulphated ash
Max 0.01%
Safety Information & Hazard Symbols
Symbol
GHS05, GHS07
Signal Word
Danger
UN No.
2811
IMCO Class No.
6.1
Packing Group
III
Hazardous Statement
H302-H312-H315-H318-H335
Precaution Statement
P261-P280-P305 + P351 + P338