WHMIS (Calcium carbide)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-07-25

  • Substances which, in contact with water, emit flammable gases - Category 11
  • Combustible dusts - See comments below2
  • Skin corrosion/irritation - Category 23 4 5
  • Serious eye damage/eye irritation - Category 13 6 7 8
    • Forms a corrosive substance upon contact with water: calcium hydroxyde
  • Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation6 7 8

  • WHMIS 2015 pictogram : Flame

  • WHMIS 2015 pictogram : Corrosion

  • WHMIS 2015 pictogram : Exclamation mark


In contact with water releases flammable gases which may ignite spontaneously (H260)
Causes skin irritation (H315)
Causes serious eye damage (H318)
May cause respiratory irritation (H335)

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.  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
  • ▲2.  Combustion and explosion characteristics of dusts : BIA-Report 13/97. Sankt Ausgustin, Allemagne. (1997). [MO-127954]
  • ▲3.  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]
  • ▲4.  Stellman, J.M. et al., Encyclopaedia of occupational health and safety. Vol. 1 à 4, 4th ed. Genève : Bureau International du Travail. (1998). [RR-003002]   http://www.iloencyclopaedia.org/
  • ▲5.  Centers for Disease Control and Prevention (CDC), International Chemicals Safety Cards (ICSC) for Calcium Carbide. Atlanta. (2014).   http://www.cdc.gov/niosh/ipcsneng/neng0406.html
  • ▲6.  United States. National Ocean Service. Office of Response and Restoration., Computer aided management of emergency operations chemicals (CAMEO chemicals) : online database of hazardous materials. USA : National Oceanic and Atmospheric Administration.   http://cameochemicals.noaa.gov/search/simple
  • ▲7.  Vincoli, J.W., Risk management for hazardous chemicals : A-F. Vol. 1. Boca Raton : Lewis Publishers. (1997). [RM-515112]
  • ▲8.  Dutch Institute for the Working Environment et Dutch Chemical Industry Association, Chemical safety sheets : working safely with hazardous chemicals. Netherlands : Kluwer Academic Publishers. (1991). [RR-015010]

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