2-Naphthalenol, 1-[(4-chloro-2-nitrophenyl)azo]- (Pigment Red 6)

CAS Registry Number 6410-13-5

What is it?

  • 2-Naphthalenol, 1-[(4-chloro-2-nitrophenyl)azo]-, also known as Pigment Red 6, is an industrial chemical.

How is it used?

  • Pigment Red 6 has been used in Canada in the past as a solvent/carrier, printing agent/de-inker and in electrical or electronic products.
  • Based on the most recent data available, Pigment Red 6 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?

  • Pigment Red 6 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, Pigment Red 6 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 Pigment Red 6 based on science, called a screening assessment.
  • The Government of Canada has determined that Pigment Red 6 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 Pigment Red 6.
  • The final screening assessment report was published on March 7, 2009.

What should Canadians do?

  • Because Pigment Red 6 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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