WHMIS (Methanethiol)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable gases - Category 11
• Lower flammable limit = 3,9 %

• Gases under pressure - Liquefied gas2
• Liquified gas, listed in : UN Recommendations on the TDG - Model Regulations Vol II.

• Acute toxicity - inhalation - Category 33 4 5

• Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation5 6

Danger

Extremely flammable gas (H220)
Contains gas under pressure; may explode if heated (H280)
Toxic if inhaled (H331)
May cause respiratory irritation (H335)

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.  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
• ▲4.  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
• ▲5.  France. Institut national de recherche et de sécurité, Fiche toxicologique no 190 : Méthanethiol. Ethanethiol. 1-Butanethiol. Cahiers de notes documentaires. Paris : INRS. (2007). [RE-005509]   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_190
• ▲6.  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.