WHMIS (Yttrium)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable solids - Undefined category1 2 3 4
• This hazard class has been assigned according to the information obtained from the consulted scientific literature, but it does not allow to specify the hazard category.

• Substances which, in contact with water, emit flammable gases - Undefined category1 3
• This hazard class has been assigned according to the information obtained from the consulted scientific literature, but it does not allow to specify the hazard category.

• Combustible dusts - See comments below1 2 3 4

Signal word not defined

Flammable Solids - undefined hazard statement
Substances and Mixtures which, in Contact with Water, Emit Flammable Gases - undefined hazard statement

Ingredient disclosure

Comments: This product belongs to the hazard class "Combustible dust" if 5% or more by weight of its composition has a particle size < 500 µm.

References

• ▲1.  Lewis, R.J., Sr., Hawley's condensed chemical dictionary. 14th ed. New York : John Wiley & Sons. (2001).   http://onlinelibrary.wiley.com/book/10.1002/9780470114735
• ▲2.  Pohanish, R.P. et Greene, S.A., Wiley guide to chemical incompatibilities. 2nd ed. New York, N.Y. : Wiley Interscience. (2003). [RR-015033]
• ▲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.  New Jersey Department of Health and Senior Services, Hazardous substance fact sheet : Yttrium. Right to Know Program. Trenton, NJ. (2002). RTK 2019.   www.state.nj.us/health/eoh/odisweb

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