WHMIS (Methyl propyl ketone)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable liquids - Category 21
• Flash point = 7,2 °C Setaflash closed cup and boiling point = 102 °C

• Acute toxicity - inhalation - Category 42 3

• Serious eye damage/eye irritation - Category 23

• Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation2 3

Danger

Highly flammable liquid and vapour (H225)
Harmful if inhaled (H332)
Causes serious eye irritation (H319)
May cause respiratory irritation (H335)

Ingredient disclosure

Comments: Available data indicate that the LC50 of methyl propyl ketone is less than 14,09 mg/L/4h and more than 7,05 mg/L/4h. Inhalation acute toxicity (H332) classification was established with 14,09 mg/L/4h. At this dose, all animals died. Therefore this chemical could be classified in a more severe hazard category (H331).

References

• ▲1.  Lenga, R.E. et Votoupal, K.L., The Sigma-Aldrich library of regulatory and safety data. Vol. 1. Milwaukee : Sigma-Aldrich. (1993). [RM-515040]
• ▲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.  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

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