2-Anthracenesulfonic acid, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneimino)]bis[1-amino-9,10-dihydro-9,10-dioxo-, disodium salt (Acid Blue 127)

CAS Registry Number 6471-01-8

What is it?

  • 2-Anthracenesulfonic acid, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneimino)]bis[1-amino-9,10-dihydro-9,10-dioxo-, disodium salt, also known as Acid Blue 127, is an industrial chemical.

How is it used?

  • Acid Blue 127 is used as a colorant dye in soap and cleaning products.
  • Based on the most recent data available, Acid Blue 127 is not manufactured in Canada and is not imported into Canada (in quantities exceeding 100 kg/year).

Why did the Government of Canada assess it?

  • Acid Blue 127 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?

  • If used, Acid Blue 127 would be expected to 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 Acid Blue 127 based on science, called a screening assessment.
  • The Government of Canada has determined that Acid Blue 127 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 Acid Blue 127.
  • The final screening assessment report was published on March 7, 2009.

What should Canadians do?

  • Because Acid Blue 127 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.
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