WHMIS (Vinylidene chloride)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-03-15

  • Flammable liquids - Category 11
    • Flash point = -28 °C closed cup (non reported method) and boiling point = 32 °C
  • Acute toxicity - oral - Category 42
  • Specific target organ toxicity - repeated exposure - Category 23

  • WHMIS 2015 pictogram : Flame

  • WHMIS 2015 pictogram : Exclamation mark

  • WHMIS 2015 pictogram : Health hazard


Extremely flammable liquid and vapour (H224)
Harmful if swallowed (H302)
May cause damage to organs through prolonged or repeated exposure (H373)

Ingredient disclosure

Comments1 4 : This product is generally commercialized with an inhibitor. Therefore, the health hazard classification could be different, according to the inhibitor used and its concentration. The physical hazard classification considers the product as inhibited. However, under certain conditions (e.g. depletion or absence of the inhibitor) a hazardous polymerisation may occur.


  • ▲1.  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]
  • ▲2.  International Programme on Chemical Safety, 1,1-DICHLOROETHENE (VINYLIDENE CHLORIDE) . Concise International Chemical Assessment. Genève : World Health Organization. (2003). CICAD 51.   http://www.inchem.org/documents/cicads/cicads/cicad51.htm
  • ▲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.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]

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