WHMIS (3-Heptanone)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2015-10-06

  • Flammable liquids - Category 31 2
    • Flash point = 41,1°C Setaflash closed cup
  • Acute toxicity - inhalation - Category 43 4

  • WHMIS 2015 pictogram : Flame

  • WHMIS 2015 pictogram : Exclamation mark


Flammable liquid and vapour (H226)
Harmful if inhaled (H332)

Ingredient disclosure

Comments: Available data indicate that the LC50 of ethyl butyl ketone is less than 1868 mg/L/4h and more than 9,34 mg/L/4h. Inhalation acute toxicity (H332) classification was established with 18,68 mg/L/4h. At this dose, all animals died. Therefore this chemical could be classified in a more severe hazard category (H331).


  • ▲1.  Lenga, R.E. et Votoupal, K.L., The Sigma-Aldrich library of regulatory and safety data. Vol. 1. Milwaukee : Sigma-Aldrich. (1993). [RM-515040]
  • ▲2.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
  • ▲3.  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
  • ▲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

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