Fluorescent brightener 367 - information sheet
CAS Registry Number 5089-22-5
On this page
- About this substance
- Human and ecological exposures
- Key health and ecological effects (hazard)
- Risk assessment outcomes
- Related information
- The Government of Canada conducted a science-based evaluation, called a screening assessment, to address the potential for harm to Canadians and to the environment from the substance fluorescent brightener 367.
- Under the Canadian Environmental Protection Act, 1999 (CEPA 1999), the risk posed by a substance is determined by considering both its hazardous properties (its potential to cause adverse human health or ecological effects) and the amount of exposure there is to people and the environment. A substance may have hazardous properties; however, the risk to human health or to the environment may be low depending upon the level of exposure.
- The ecological hazard and exposure potentials of this substance were classified using the Ecological Risk Classification of Organic Substances (ERC) Approach.
- As a result of the draft screening assessment, the Government is proposing that fluorescent brightener 367 is not harmful to human health or to the environment at levels of exposure considered in the assessment.
About this substance
- The screening assessment focuses on the substance benzoxazole, 2,2'-(1,4-naphthalenediyl)bis-, also referred to as fluorescent brightener 367, which was assessed under the Chemicals Management Plan (CMP).
- This substance does not occur naturally in the environment, and according to information gathered by the Government, it may be found in Canada in certain nail polishes.
Human and ecological exposures
- Canadians may be exposed to fluorescent brightener 367 through the use of certain nail polishes.
- According to the information considered under the ERC Approach, fluorescent brightener 367 was identified as having low ecological exposure potential.
Key health and ecological effects (hazard)
- There were no health effects (hazard) data for fluorescent brightener 367; therefore, a comparative approach using a similar chemical, called read-across, was used for assessing potential health effects. Using data available for a similar substance, no critical effects on human health have been identified.
- According to information considered under the ERC Approach, fluorescent brightener 367 was identified as having a high hazard potential on the basis of its potential ecological effects in aquatic food webs given its bioaccumulation potential.
Risk assessment outcomes
- Based upon a comparison of levels to which Canadians may be exposed to fluorescent brightener 367, and the levels associated with health effects, the risk to human health for this substance is considered to be low.
- Based upon the outcome of the ERC Approach, fluorescent brightener 367 is considered unlikely to be causing ecological harm.
- The Government of Canada published the Draft Screening Assessment for Fluorescent Brightener 367 on February 22, 2020. The public is invited to comment on the assessment during the 60-day public comment period ending on April 22, 2020.
Proposed screening assessment conclusions
- As a result of the draft screening assessment, the Government is proposing that fluorescent brightener 367 is not harmful to human health at levels of exposure considered in the assessment.
- The Government is also proposing that this substance is not entering the environment at levels that are harmful to the environment.
- Fluorescent brightener 367 may be found in products available to consumers. Canadians should follow any safety warnings and directions related to the product and dispose of products responsibly.
- Canadians who may be exposed to this substance in the workplace should consult with their employer and an occupational health and safety (OHS) representative about safe handling practices, applicable laws, and requirements under OHS legislation and the Workplace Hazardous Materials Information System.
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