WHMIS (Silicon tetrafluoride)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Gases under pressure - Liquefied gas1

• Acute toxicity - inhalation - Category 22 3 4 5
• Releases a toxic gas upon contact with water: Hydrogen fluoride

• Skin corrosion/irritation - Category 14 5

• Serious eye damage/eye irritation - Category 14 5

• Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation4 5

Danger

Contains gas under pressure; may explode if heated (H280)
On contact with water releases gases which are fatal if inhaled; Fatal if inhaled (H330)
Causes severe skin burns and eye damage (H314)
May cause respiratory irritation (H335)

Ingredient disclosure

Comments: There are no data available for silicon tetrafluoride regarding its irritation or corrosion ability. However, it forms on contact with water a corrosive substance: Hydrogen fluoride.

References

• ▲1.  Nations-Unies, «Partie 4 - Dispositions relatives à l'utilisation des emballages et des citernes - Liste des instructions d'emballage.» In: Recommandations relatives au transport des marchandises dangereuses - Règlement type - Dix-huitième édition révisée . New-York, N.Y. : United Nations. (2013). ST/SG/AC.10/1/rev. 18 (Vol. II). [MO-026856]   http://www.unece.org/fileadmin/DAM/trans/danger/publi/unrec/rev18/French/Rev18f_Volume2.pdf
  http://www.unece.org/fr/trans/danger/publi/unrec/rev18/18files_f.html
• ▲2.  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
• ▲3.  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
• ▲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.  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.