2-Butanone, oxime (Butanone oxime)
CAS Registry Number 96-29-7
What is it?
- 2-Butanone, oxime is an industrial chemical, which may also be found in certain consumer products such as alkyd paints.
How is it used?
- 2-Butanone, oxime is used primarily as an anti-skinning agent in the formulation of alkyd paints, varnishes, stains and coatings.
- Other uses in Canada include as a formulant (non-active component) in some pesticides, namely wood preservatives and antifouling marine paints, as well as in some adhesives, silicon sealants and printing inks.
- It is also used as a corrosion inhibitor in industrial boilers and water treatment systems, and as a blocking agent in the manufacturing process of urethane polymers.
- 2-Butanone, oxime is not manufactured in Canada, but is imported into Canada.
Why did the Government of Canada assess it?
- Prior to the assessment, 2-butanone, oxime was identified as a potential concern for human health based on its classification by international organizations as a substance which may cause cancer in laboratory animals, and based on a high potential for exposure (not including workplace exposures) to the general population of Canada.
How are Canadians exposed to it?
- The general population of Canada may be exposed to 2-butanone, oxime principally during the use of alkyd paints.
What are the results of the assessment?
- The Government of Canada has conducted a science-based evaluation of 2-butanone, oxime, called a screening assessment.
- The Government of Canada has concluded that 2-butanone, oxime may be harmful to human health.
- The Government of Canada has also concluded that 2-butanone, oxime is not entering the environment in a quantity or under conditions that constitute a danger to the environment.
- Screening assessments address potential for harm to the general population (not including workplace exposures).
What Is the Government of Canada Doing?
- The final screening assessment and the proposed risk management approach documents were published on March 6, 2010. The publication of the proposed risk management approach document will be followed by a 60-day comment period, ending May 5, 2010.
- Get more information on Risk Management Action Milestones for 2-butanone, oxime.
What can Canadians do?
- The health risks associated with a chemical depend on the hazard (its potential to cause health effects) and the dose (the amount of chemical to which you are exposed).
- As a general precaution, Canadians are reminded to carefully follow any safety warnings and directions when using products containing 2-butanone, oxime.
- Canadians who handle 2-butanone, oxime in the workplace should consult with their occupational health and safety representative about safe handling practices, applicable laws and requirements under the Workplace Hazardous Materials Information System.
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