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Risk assessment and regulation of D5 in Canada: Lessons learned

Risk assessment and regulation of D5 in Canada: Lessons learned The cyclic volatile methylsiloxane decamethylcyclopentasiloxane (D5; Chemical Abstracts Service no. 541‐02‐06) is a high–production volume chemical, widely used in a variety of personal care products such as deodorants and as an intermediate in the production of silicone polymers. A screening assessment conducted by Environment Canada and Health Canada in 2008 led to a decision by Environment Canada to add D5 to the Schedule 1 Toxic Substances List of the Canadian Environmental Protection Act 1999. The decision was based on a perceived potential for harm to aquatic environments. No human health concerns were expressed. The chemical's listing in Schedule 1 could result in severe restrictions on D5 uses in Canada. Predictably, the industry—primarily the Silicones Environmental Health and Safety Council (now the Silicones Environmental Health and Safety Center of the American Chemistry Council) and the Canadian Cosmetic Toiletry and Fragrance Association—contested the decision that a screening assessment should result in this regulatory action and requested a Board of Review. Adding to the industry's concern was the prospect that other jurisdictions—notably, the United Kingdom, the European Union, and the United States—could follow the Environment Canada example. Annual usage in Canada is estimated to be a substantial 283 mg per capita http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Toxicology and Chemistry Oxford University Press

Risk assessment and regulation of D5 in Canada: Lessons learned

Mackay, Donald
Environmental Toxicology and Chemistry , Volume 34 (12) – Dec 1, 2015
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References (13)

Publisher
Oxford University Press
Copyright
© 2015 SETAC
ISSN
0730-7268
eISSN
1552-8618
DOI
10.1002/etc.2934
pmid
26213177
Publisher site
See Article on Publisher Site

Abstract

The cyclic volatile methylsiloxane decamethylcyclopentasiloxane (D5; Chemical Abstracts Service no. 541‐02‐06) is a high–production volume chemical, widely used in a variety of personal care products such as deodorants and as an intermediate in the production of silicone polymers. A screening assessment conducted by Environment Canada and Health Canada in 2008 led to a decision by Environment Canada to add D5 to the Schedule 1 Toxic Substances List of the Canadian Environmental Protection Act 1999. The decision was based on a perceived potential for harm to aquatic environments. No human health concerns were expressed. The chemical's listing in Schedule 1 could result in severe restrictions on D5 uses in Canada. Predictably, the industry—primarily the Silicones Environmental Health and Safety Council (now the Silicones Environmental Health and Safety Center of the American Chemistry Council) and the Canadian Cosmetic Toiletry and Fragrance Association—contested the decision that a screening assessment should result in this regulatory action and requested a Board of Review. Adding to the industry's concern was the prospect that other jurisdictions—notably, the United Kingdom, the European Union, and the United States—could follow the Environment Canada example. Annual usage in Canada is estimated to be a substantial 283 mg per capita

Journal

Environmental Toxicology and Chemistry – Oxford University Press

Published: Dec 1, 2015

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