WHMIS (beta-Naphthol)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-07-19

  • Combustible dusts - See comments below1
  • Acute toxicity - oral - Category 42
  • Acute toxicity - inhalation - Category 42
  • Serious eye damage/eye irritation - Category 2A2
  • Skin sensitization - Category 1B2

  • WHMIS 2015 pictogram : Exclamation mark


Harmful if swallowed (H302)
Harmful if inhaled (H332)
Causes serious eye irritation (H319)
May cause allergic skin reaction (H317)

Ingredient disclosure

Comments: This product could belong to the hazard class "Combustible dust", based on various factors related to the combustibility and explosiveness of its dust, including composition, shape and size of the particles.


  • ▲1.  BGIA-Gestis, Information system on hazardous substances of the Berufsgenossenschaften. Sankt Augustin, Germany : Berufsgenossenschaftliches Institut.   http://www.hvbg.de/e/bia/fac/stoffdb/index.html
  • ▲2.  OECD, «2-NAPHTHOL CAS N°: 135-19-3.» In: SIDS Initial Assessment Report. Vol. SIAM15. Boston : UNEP PUBLICATIONS. (2002).

The [number] refers to the Information SST database of the CNESST Documentation Center.