2-NAPHTHOL AR 514080100 Reagents 135-19-3 | C10H8O

TECHNICAL DATA SHEET

2-NAPHTHOL AR

ß-Naphthol; 2-Hydroxynaphthalene

Article No.	514080100	Molecular Formula	C₁₀H₈O
H.S. Code	2907.1590	Molecular Weight	144.17
CAS No.	135-19-3

Physical Properties

Physical state at 20 °C

Solid

Colour

Off white flakes

Melting point/ Freezing point [°C]

121 - 122 °C

Flash point [°C]

153 °C

Boiling point [°C]

285 - 286 °C

Initial boiling point [°C]

285°C

Final boiling point [°C]

286 °C

Vapour pressure mm/Hg

13 mm Hg at 145.5 °C

Vapour density

4.98

Density [g/cm3]

1.22

Solubility in water [% weight]

Slightly soluble in water

Specifications

Assay Min 99 %
Melting point 121 - 123°C
Chloride (Cl) Max 0.005 %
Heavy metals (as Pb) Max 0.001 %
Iron (Fe) Max 0.001 %
1-Naphthol Max 0.1 %
Naphthalene Max 0.1 %
Sulfated ash Max 0.01 %
Water (H2O) Max 0.2 %

Safety Information and Hazard Symbols

Symbol

GHS07, GHS09

Signal Word

Warning

UN No

2811

IMCO Class No.

6.1

Hazardous Statement

H302+H332-H400

Precaution Statement

P261-P264-P271-P273- P304+P340-P312-P330-P501

Packing Group