WHMIS (p-Dinitrobenzene)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-03-18

  • Combustible dusts - See comments below1 2
  • Specific target organ toxicity - single exposure - Category 13 4 5
  • Specific target organ toxicity - repeated exposure - Category 13 5 6

  • WHMIS 2015 pictogram : Health hazard


Causes damage to organs (H370)
Causes damage to organs through prolonged or repeated exposure (H372)

Ingredient disclosure

Comments1 2 7 8 : 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.

A thermally unstable substance liable to undergo a strongly exothermic decomposition. Laboratory testing performed on the substance as packaged is nescessary to determine the category (Type A to G) of this hazard class.


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  • ▲3.  «Toxicology Update.» Journal of Applied Toxicology. Vol. 9, no. 3, p. 199-202. (1989). [AP-034003]
  • ▲4.  Blackburn D.M. et al., «A Comparaison of the Effetcts of the Three Isomers of Dinitrobenzene on the Testis in the Rat..» Toxicology and Applied Pharmacology. Vol. 92, p. 54-64. (1988).
  • ▲5.  Lauwerys, R. et al., Toxicologie industrielle et intoxications professionnelles. 5ème éd. Issy-les-Moulineaux Cedex : Elsevier Masson SAS. (2007). [RM-514015]
  • ▲6.  Grant, W.M. et Schuman, J.S., Toxicology of the eye : effects on the eyes and visual systems from chemicals, drugs, metals and minerals, plants, toxins and venoms; also, systemic side effects from eye medications. Vol. 1, 4th ed. Springfield (ILL.) : Charles C. Thomas. (1993). [RM-515030]
  • ▲7.  National Institute for Occupational Safety and Health, NIOSH pocket guide to chemical hazards. 3 ed. Cincinnati, Ohio : NIOSH. (2007). [RM-514001]   https://www.cdc.gov/niosh/docs/2005-149/pdfs/2005-149.pdf
  • ▲8.  United States Coast Guard et Department of Transport, Chemical Hazards Response Information System (CHRIS). Washington, D. C. : United States Coast Guard. (1999).   http://www.uscg.mil/directives/cim/16000-16999/CIM_16465_12C.pdf

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