COA Center




ß-Naphthol; 2-Hydroxynaphthalene


100 g (00100)

500 g (00500)

1GBA000180 1GBAB00040
Article No. 04761 Grade AR
Purity 99% CAS No. 135-19-3
Molecular Formula C10H8O Molecular Weight 144.17
H.S. Code 2907.1520 Shelf Life 36 Months

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


Appearance Off White to Beige or Light Brown Color Powder or Flakes Assay Min 99%
Melting point 121 - 123 deg C Chloride (Cl) Max 0.005%
Heavy metal (as Pb) Max 0.001% Iron (Fe) Max 0.001%
1-Naphthol Max 0.1% Naphthalene Max 0.1%
Sulphated ash Max 0.01% Water (H2O) Max 0.2%

Safety Information and Hazard Symbols

Exclamation Mark Environment
Symbol: GHS07, GHS09
Signal Word: Warning
UN No.: 3077
IMCO Class No.: 9
Packing Group: III
Hazardous Statement: H302-H332-H400
Precaution Statement: P273-P301+P312-P304+P340
Revision Date: 19-Jun-2024

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