WHMIS (2,4-Dinitrophenylhydrazine)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable solids - Undefined category1 2 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.

• Self-reactive substances - Undefined category2 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

• Physical hazards not otherwise classified (exploding bomb) - Category 12 3

Danger

Flammable Solids : Undefined hazard statement
Self-reactive Sustances and Mixtures : Undefined hazard statement
May cause an explosion under conditions of schock and/or friction

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.  Lenga, R.E. et Votoupal, K.L., The Sigma-Aldrich library of regulatory and safety data. Vol. 3. Milwaukee : Sigma-Aldrich. (1993). [RM-515040]
• ▲3.  CNRS, Centre national de la recherche scientifique , La 2,4-DNPH présente-t-elle des propriétés CMR.   http://www.prc.cnrs-gif.fr/spip.php?rubrique106

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