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Results for substance identifier "6371-23-9"

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List or group: Domestic Substances List (DSL)
Substance identifier: 6371-23-9
Substance identifier (2):
Substance name: Benzo[b]thiophen-3(2H)-one, 5,7-dichloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl-
Additional information: This substance is on the DSL.

Substances not on this list require notification under the New Substances Notification Regulations (Chemicals and Polymers) or New Substances Notification Regulations (Organisms) so that health and ecological risks can be assessed before the substance is manufactured or imported into Canada above threshold quantities.

A Notice or Order has been published indicating that the Significant New Activity (SNAc) provisions of CEPA apply to this substance.

This action can be taken when it is suspected that new activities involving a substance could result in the substance becoming CEPA Toxic.

The SNAc provisions trigger an obligation for a person to provide specific information when proposing to use the substance in a significant new activity. The Government will assess the information to determine whether the substance, if used in a significant new activity, could pose a risk to the environment or to human health and, if so, whether risk management is required.


This substance was added to the DSL as an “Existing Substance”, i.e. already in commerce in Canada in 1984-1986 and not subject to the New Substance Notification Regulations.
Recent publication(s): Canada Gazette Part II, Vol. 142, No. 13, June 25 2008, SOR/2008-192
Date published: 2008-06-25
List or group: Significant New Activity (SNAc) orders and notices
Substance identifier: 6371-23-9
Substance identifier (2):
Substance name: Benzo[b]thiophen-3(2H)-one, 5,7-dichloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl-
Additional information: A Notice or Order has been published indicating that the Significant New Activity (SNAc) provisions of CEPA apply to this substance.

This action can be taken when it is suspected that new activities involving a substance could result in the substance becoming CEPA Toxic.

The SNAc provisions trigger an obligation for a person to provide specific information when proposing to use the substance in a significant new activity. The Government will assess the information to determine whether the substance, if used in a significant new activity, could pose a risk to the environment or to human health and, if so, whether risk management is required.
Recent publication(s): Canada Gazette Part II, Vol. 142, No. 13, June 25 2008, SOR/2008-192
Date published: 2008-06-25
List or group: Domestic Substances List Categorization Results (DSL_CAT)
Substance identifier: 6371-23-9
Substance identifier (2):
Substance name: Benzo[b]thiophen-3(2H)-one, 5,7-dichloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl-
Additional information: Met the criteria under subsection 73(1) of the Canadian Environmental Protection Act, 1999 (CEPA).
Recent publication(s): Canadian Environmental Protection Act: categorization of existing substances
Date published: 2006-09-14
Date modified: