WHMIS (Methyl isocyanate)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable liquids - Category 21
• Flash point = -7 °C closed cup (non reported method) and boiling point = 39 °C

• Acute toxicity - oral - Category 32

• Acute toxicity - dermal - Category 32

• Acute toxicity - inhalation - Category 12 3

• Skin corrosion/irritation - Category 14 5 6

• Serious eye damage/eye irritation - Category 14 5

• Skin sensitization - Category 14

• Germ cell mutagenicity - Category 24 5

• Health hazards not otherwise classified (corrosion) - Category 1

Danger

Highly flammable liquid and vapour (H225)
Toxic if swallowed (H301)
Toxic in contact with skin (H311)
Fatal if inhaled (H330); On contact with water releases gases which are fatal if inhaled (Methylamine)
Causes severe skin burns and eye damage (H314)
May cause allergic skin reaction (H317)
Suspected of causing genetic defects (H341)
Causes severe damage to the respiratory tract

Ingredient disclosure

References

• ▲1.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
• ▲2.  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
• ▲3.  Sarkar, S.N. et Sastry, M.S., «Studies on the acute inhalation toxicity of methylamine vapours in rats.» Journal of Environmental Biology. Vol. 13, no. 4, p. 273-276. (1992).
• ▲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 162 : 1,6-Diisocyanate d'hexaméthylène. Cahiers de notes documentaires. Paris : INRS. (2000). [RE-005509]   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_162
• ▲6.  Smyth, H.F., Carpenter, C.P. et Weil, C.S., «Range-Finding Toxicity Data : List VII.» American Industrial Hygiene Association Journal. Vol. 30, no. 5, p. 470-476. (1969). [AP-000464]

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