Benzenesulfonic acid, 3,3'-[(9,10-dihydro-9,10-dioxo- 1,4-anthracenediyl)diimino]bis[2,4,6-trimethyl-, disodium salt (Acid Blue 80)

CAS Registry Number 4474-24-2

What is it?

• Acid Blue 80 is a blue dye.

How is it used?

• Acid Blue 80 is used as a dye in cleaning products and is also used to colour inks, paints, and plastics used in printing. It is also allowed to be used in cosmetic products intended to come into contact only briefly with the skin.
• Based on the most recent data available, Acid Blue 80 is not manufactured in Canada but is imported into Canada.

Why did the Government of Canada assess It?

• Acid Blue 80 was identified as a potential concern to the environment based on available information regarding possible persistence, accumulation and toxicity in the environment.

How is it released to the environment?

• Acid Blue 80 may be released to the environment through the use of certain commercial household cleaning products.

What is the Government of Canada doing?

• The Government of Canada has conducted an evaluation of Acid Blue 80 based on science, called a screening assessment.
• The Government of Canada has determined that Acid Blue 80 is not harmful to the environment. Therefore, no further action will be taken on Acid Blue 80.
• The final screening assessment report was published on January 31, 2009.