Toxic substances list: benzene

Benzene is used in Canada in a variety of ways that result in it entering the Canadian environment. Vehicle emissions are the major source of benzene release to the environment. Releases of benzene result in measurable concentrations in the various media to which humans and other organisms may be exposed. In Canada, the primary source of human exposure to benzene is ambient and indoor air; food and drinking water contribute only minor amounts to the daily intake of benzene.

CAS (Chemical Abstract Service) registry number: 71-43-2

For more information on this substance, please visit the Chemical Substances website.

Risk Assessment


This substance is entering the environment from the following source(s):

Risk Management Tools

Tool(s) developed to manage risks associated with the substance:

Other Information


Substances Management Information Line
Chemicals Management Plan
Gatineau, QC K1A 0H3
Telephone: 1-800-567-1999 (in Canada) or 819-938-3232
Fax: 819-938-3231

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