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

COAs

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 [%]

Explosion limits -lower [%]

0.80%

Safety Information and Hazard Symbols

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

Packing

250 G

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 %

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1-NAPHTHOL AR a-Naphthol, 1-Hydroxynaphthalene

Physical Properties

Safety Information and Hazard Symbols

Packing

Specifications

1-NAPHTHOL AR
a-Naphthol, 1-Hydroxynaphthalene