WHMIS (Acetyl chloride)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable liquids - Category 21 2
• Flash point = 4,4 °C Setaflash closed cup and boiling point = 51 °C

• Acute toxicity - inhalation - Category 32 3 4 5 6
• Releases a toxic gas upon contact with water: Hydrogen chloride

• Skin corrosion/irritation - Category 12 4 5 6

• Serious eye damage/eye irritation - Category 12 4 5 6

• Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation2 4 5 6

• Physical hazards not otherwise classified (exclamation mark) - Category 12 4 6

Danger

Highly flammable liquid and vapour (H225)
On contact with water releases gases which are toxic if inhaled
Causes severe skin burns and eye damage (H314)
May cause respiratory irritation (H335)
Reacts violently or explosively in contact with water at ambient temperature

Ingredient disclosure

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

References

• ▲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.  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.  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
  http://cameochemicals.noaa.gov/
• ▲5.  Lewis, R.J., Sax's dangerous properties of industrial materials. Vol. 1, 8ème éd. New York : Van Nostrand Reinhold. (1992).
• ▲6.  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.