9,10-anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)- (Disperse Blue 77)

CAS Registry Number 20241-76-3

What is it?

• 9,10-anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)-, also known as Disperse Blue 77, is an industrial chemical.

How is it used?

• Disperse Blue 77 is used as a blue colorant dye in textiles.
• Based on the most recent data available, Disperse Blue 77 is not manufactured in Canada, but is imported into Canada.

Why did the Government of Canada assess it?

• Disperse Blue 77 was identified as a potential concern to the environment based on available information regarding possible persistence, accumulation and potential to cause harm to the environment.

How is it released to the environment?

• Disperse Blue 77 may be released to waste water during industrial processing and consumer use.

What is the Government of Canada doing?

• The Government of Canada has conducted an evaluation of Disperse Blue 77 based on science, called a screening assessment.
• The Government of Canada has determined that Disperse Blue 77 is not harmful to the environment, because it was found not to accumulate and not to cause harm to organisms. Therefore, no further action will be taken on Disperse Blue 77.
• The final screening assessment report was published on March 7, 2009.

What should Canadians do?

• Because Disperse Blue 77 is not a concern for the environment or human health, Canadians do not need to take any specific actions with respect to how they use this chemical, or products that contain that chemical.