WHMIS (Dinitro-o-cresol)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2015-08-19

  • Combustible dusts - See comments below1 2 3 4 5
  • Acute toxicity - oral - Category 26 7 8
  • Acute toxicity - dermal - Category 27
  • Serious eye damage/eye irritation - Category 23 8 9 10
  • Specific target organ toxicity - single exposure - Category 18 10
  • Specific target organ toxicity - repeated exposure - Category 110

  • WHMIS 2015 pictogram : Skull and crossbones

  • WHMIS 2015 pictogram : Exclamation mark

  • WHMIS 2015 pictogram : Health hazard


Fatal if swallowed (H300)
Fatal in contact with skin (H310)
Causes serious eye irritation (H319)
Causes damage to organs (H370)
Causes damage to organs through prolonged or repeated exposure (H372)

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.  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
  • ▲2.  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
  • ▲3.  Pohanish, R., Sittig's handbook of toxic and hazardous chemicals and carcinogens. 4ème éd. Norwich (NY) : Noyes Publications. (2002). 2 v.
  • ▲4.  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
  • ▲5.  New Jersey Department of Health and Senior Services, Hazardous substance fact sheet :4,6-DINITRO-o-CRESOL. Right to Know Program. Trenton, NJ. (2006). RTK 0779.   www.state.nj.us/health/eoh/odisweb
  • ▲6.  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
  • ▲7.  National Institute for Occupational Safety and Health, RTECS (Registry of Toxic Effects of Chemical Substances). Hamilton (Ont) : Canadian Centre for Occupational Health and Safety.   http://ccinfoweb.ccohs.ca/rtecs/search.html
  • ▲8.  International Program on Chemical Safety, Environmental Health Criteria 220: Dinitro-ortho-cresol. Genève : World Health Organization. (2000). EHC220.   http://www.inchem.org/pages/ehc.html
  • ▲9.  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]
  • ▲10.  Agency for Toxic Substances and Disease Registry, Toxicological profile for Dinitrocresols. Atlanta, GA : ATSDR. (1995).   http://www.atsdr.cdc.gov/ http://www.atsdr.cdc.gov/ToxProfiles/tp.asp?id=1025&tid=218

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