WHMIS (Naphthalene)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable solids - Category 21
• Class 4.1 packing group III according to TDG regulation

• Combustible dusts - See comments below2 3

• Acute toxicity - oral - Category 44 5 6

• Carcinogenicity - Category 24 7 8

• Specific target organ toxicity - repeated exposure - Category 24 6 9

Warning

Flammable solid (H228)
Harmful if swallowed (H302)
Suspected of causing cancer (H351)
May cause damage to organs through prolonged or repeated exposure (H373)

Ingredient disclosure

Comments: This product belongs to the hazard class "Combustible dust" if 5% or more by weight of its composition has a particle size < 500 µm.

References

• ▲1.  Canada. Ministère des transports, Règlement sur le transport des marchandises dangereuses. Ottawa : Éditions du gouvernement du Canada. (2014). [RJ-410222]   http://www.tc.gc.ca/fra/tmd/clair-menu-497.htm
  http://www.tc.gc.ca/tmd/menu.htm
• ▲2.  Pohanish, R.P. et Greene, S.A., Wiley guide to chemical incompatibilities. 3ème éd. New Jersey : John Wiley & Sons Inc. (2009). [RR-015033]   www.wiley.com
• ▲3.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
• ▲4.  Centre canadien d'hygiène et de sécurité au travail, CHEMINFO, Hamilton, Ont. : Canadian Centre for Occupational Health and Safety   http://ccinfoweb.ccohs.ca/cheminfo/search.html
• ▲5.  France. Institut national de recherche et de sécurité, Fiche toxicologique no 204 : Naphtalène. Cahiers de notes documentaires. Paris : INRS. (2007). [RE-005509]   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_204
• ▲6.  American Conference of Governmental Industrial Hygienists, «Naphthalene.» In: Documentation of the threshold limit values and biological exposure indices / Documentation of TLV's and BEI's. Cincinnati, Ohio : ACGIH. (2014). Publication #0100Doc.   http://www.acgih.org
• ▲7.  American Conference of Governmental Industrial Hygienists, Documentation of the threshold limit values and biological exposure indices / Documentation of TLV's and BEI's. 7th ed. Cincinnati, Ohio : ACGIH. (2001-). Publication #0100Doc. [RM-514008]   http://www.acgih.org
• ▲8.  IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, Some traditional herbal medicines, some mycotoxins, naphthalene and styrene. IARC monographs on the evaluation of carcinogenic risks, Vol. 82. Lyon : International Agency for Research on Cancer. (2002).   https://monographs.iarc.fr/wp-content/uploads/2018/06/mono82.pdf
  http://monographs.iarc.fr/
• ▲9.  Abdo, K. M., «Naphthalene : a respiratory tract toxicant and carcinogen for mice.» Inhalation Toxicology. Vol. 4, no. 4, p. 393-409. (1992). [AP-041262]

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