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

Scroll right to view full table

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

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

Scroll

1-NAPHTHOL AR a-Naphthol, 1-Hydroxynaphthalene

Physical Properties

Safety Information and Hazard Symbols

Packing

Specifications

1-NAPHTHOL AR
a-Naphthol, 1-Hydroxynaphthalene