WHMIS (Acetylene)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable gases - Category 11 2 3 4
• Flammable limit - concentration range =79,5 % (2,5-82)
• Lower flammable limit = 2,5 %

• Gases under pressure - Dissolved gas5 6

• Simple asphyxiants - Category 17 8
• Gas that is liable to cause asphyxiation by the displacement of air.

Danger

Extremely flammable gas (H220)
Contains gas under pressure; may explode if heated (H280)
May displace oxygen and cause rapid suffocation

Ingredient disclosure

References

• ▲1.  Lewis, R.J., Sax's dangerous properties of industrial materials. Vol. 1, 8ème éd. New York : Van Nostrand Reinhold. (1992).
• ▲2.  National Fire Protection Association, Fire protection guide to hazardous materials. 12th ed. Quincy, Mass. : NFPA. (1997). [RR-334001]   http://www.nfpa.org/
• ▲3.  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
• ▲4.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
• ▲5.  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
• ▲6.  Braker, W. et Mossman, A.L., Matheson gas data book. Lundhurst, N.J. : Matheson. (1980). [RS-415003]
• ▲7.  Règlement sur la santé et la sécurité du travail [S-2.1, r. 13]. Québec : Éditeur officiel du Québec. [RJ-510071]   http://legisquebec.gouv.qc.ca/fr/ShowDoc/cr/S-2.1,%20r.%2013
• ▲8.  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

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