WHMIS (Aluminum trimethyl)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-02-11

  • Flammable liquids - Category 21
    • Flash point = -18 °C Setaflash closed cup and boiling point = 125 °C
  • Pyrophoric liquids - Category 11 2
  • Substances which, in contact with water, emit flammable gases - Undefined category1 2
    • This hazard class has been assigned according to the information obtained from the consulted scientific literature, but it does not allow to specify the hazard category.

  • WHMIS 2015 pictogram : Flame


Highly flammable liquid and vapour (H225)
Catches spontaneously if exposed to air (H250)
Substances and Mixtures which, in Contact with Water, Emit Flammable Gases : Undefined hazard statement

Ingredient disclosure

Comments: The time to ignition data necessary to evaluate the pyrophoricity of the product is not available in the consulted scientific literature. However, its hazard has been considered sufficiently important to classify the product.


  • ▲1.  Lenga, R.E. et Votoupal, K.L., The Sigma-Aldrich library of regulatory and safety data. Vol. 2. Milwaukee : Sigma-Aldrich. (1993). [RM-515040]
  • ▲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

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