NMP and your health

Learn about NMP, its health risks and how to reduce your exposure.

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About NMP

N-Methylpyrrolidone (NMP) is a human-made chemical used mainly as a solvent in industrial settings. It's also found in a variety of products available to consumers, such as:

Safety of NMP

Under Canada's Chemicals Management Plan, we review and manage the potential risks that chemical substances can pose to consumers and the environment. The first stage of the review process is a draft chemical risk assessment.

A draft chemical risk assessment of NMP was completed in 2017. Since then, new information indicates that some products containing NMP may pose a health risk. As a result, we have updated the draft assessment.

We're proposing that exposure to high concentrations of NMP in certain outdoor deck construction adhesives may be harmful to human health. If it's inhaled or comes into contact with skin, it may affect:

People of reproductive age or who are pregnant are most at risk.

We're also proposing that NMP:

What we're doing to reduce your exposure

Our assessment is not yet final. We're continuing to evaluate the potential risk posed by NMP before we publish our final conclusion. This includes:

If the proposed findings for this substance are confirmed in the final assessment, we will consider:

You can provide any comments on our draft assessment during the 60-day public comment period.

What you can do to reduce your exposure

You can take steps to reduce your exposure to harmful chemicals.

Read product labels and follow all safety warnings and directions:

Follow the manufacturer's directions to dispose of the product safely.

If you're unsure if your product contains NMP, contact the manufacturer.

If you're exposed to NMP at work, talk to your employer and occupational health and safety (OHS) official about:

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For industry and professionals

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