Canada | The Release Guidelines for Disperse Yellow 3 and 25 other Azo Disperse Dyes in the Textile Sector were published



In September 2020, Release Guidelines for Disperse Yellow 3 and 25 other Azo Disperse Dyes in the Textile Sector were published in the Canada Gazette, Part I: Vol 154, No. 36 – September 5, 2020. These guidelines address 26 azo disperse dyes with molar weights below 360 grams per mole (g/mol), including Disperse Yellow 3 (DY3). Exposures of concern for the 26 azo disperse dyes are their release to water resulting from textile dye formulation and textile dyeing activities. The guidelines recommend limits for the release of the 26 azo dyes into the aquatic environment from textile dye formulation and textile dyeing activities. These guidelines cannot be used as a substitute for, or be in conflict with, existing regulatory requirements.

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