2-Naphthalenol, 1-[(2-nitrophenyl)azo]- (Pigment Orange 2)

CAS Registry Number 6410-09-9

What is it?

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

How is it used?

• Pigment Orange 2 has been used in the past in Canada as an orange colorant dye in inks, paper, paint coatings and plastics.
• Based on the most recent data available, Pigment Orange 2 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 Orange 2 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 Orange 2 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 Orange 2 based on science, called a screening assessment.
• The Government of Canada has determined that Pigment Orange 2 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 Orange 2.
• The final screening assessment report was published on March 7, 2009.

What should Canadians do?

• Because Pigment Orange 2 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.