WHMIS (Methyl isobutyl ketone)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable liquids - Category 21
• Flash point = 18 °C closed cup (non reported method) and boiling point = 116 °C

• Carcinogenicity - Category 22

• Specific target organ toxicity - single exposure (narcotic effects) - Category 3 - Narcotic effect3 4

Danger

Highly flammable liquid and vapour (H225)
Suspected of causing cancer (H351)
May cause drowsinesss or dizziness (H336)

Ingredient disclosure

References

• ▲1.  National Fire Protection Association, Fire protection guide to hazardous materials. 13th ed. Quincy, Mass. : NFPA. (2002). [RR-334001]
• ▲2.  IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, A Review of Human Carcinogens: Some chemicals in industrial and consumer products, food contaminants and flavourings, and water chlorination by-products. IARC monographs on the evaluation of carcinogenic risks to humans, Vol. 101. Lyon : International Agency for Research on Cancer. (2012).   http://monographs.iarc.fr/
  http://monographs.iarc.fr/ENG/Monographs/vol101/index.php
• ▲3.  American Conference of Governmental Industrial Hygienists, 2022 TLVs and BEIs with 7th edition documentation CD-ROM. Cincinnati, OH : ACGIH. (2022). Publication 0111CD. [CD-120061]   http://www.acgih.org
• ▲4.  France. Institut national de recherche et de sécurité, Fiche toxicologique no 56 : 4-Méthyl-2-pentanone. Cahiers de notes documentaires. Paris : INRS. (2006).   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_56

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