WHMIS (Ammonia)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable gases - Category 11
• Flammable limit - concentration range = 13% (15 - 28 %)

• Gases under pressure - Liquefied gas2

• Acute toxicity - inhalation - Category 33 4 5

• Skin corrosion/irritation - Category 13 4 5 6
• Forms a corrosive substance upon contact with water: ammonium hydroxide.

• Serious eye damage/eye irritation - Category 13 4 5 6 7

Danger

Extremely flammable gas (H220)
Contains gas under pressure; may explode if heated (H280)
Toxic if inhaled (H331); Corrosive to the respiratory tract
Causes severe skin burns and eye damage (H314)

Ingredient disclosure

References

• ▲1.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
• ▲2.  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
• ▲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.  France. Institut national de recherche et de sécurité, Fiche toxicologique no 16 : Ammoniac et solutions aqueuses. Cahiers de notes documentaires. Paris : INRS. (2021). [RE-005509]   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_16
• ▲5.  Agency for Toxic Substance and Disease Registry et Environmental Protection Agency, Toxicological profile for ammonia. Draft for public comments. Agency for Toxic Substance and Disease Registry. (2002).   http://www.atsdr.cdc.gov/atsdrhome.html
• ▲6.  International Programme on Chemical Safety, Environmenta Health Criteria 54: Ammonia. Genève : World Health Organization. (1986). EHC54. [MO-009649]   http://www.inchem.org/pages/ehc.html
• ▲7.  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]

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