Substance Identity
CAS Number 11104-65-7
Chemical Name Chromium copper oxide
Type of substance UVCB-inorganic
SMILES n/a
Moiety of concern Cr (Cr3+)
Categorization Results

Meets Government of Canada Categorization Criteria? No
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? No
Persistent (P)? Yes
Bioaccumulative (B)? Not Determined
Inherently Toxic to Aquatic Organisms (iT)? No
DSL Quantity range (tonnes/year) >1T to 1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Not Applicable
Experimental Biodegradation half-life (days) Not Available
Comment (persistency) Moiety of concern is P

Underlying data regarding Bioaccumulation

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.0031
Experimental result iT (mg/l) 0.0031
Test species iT (Latin) Hyallela azteca
Final EndPoint iT LC50
Exposure duration iT (hours) 168
Comment iT tested in 10% Lake Ontario water based on measured concentrations of dissolved metal originating from AA standards and complex metal anions.
Reference iT Unpublished report. NWRI Laboratory. Dr Uwe Borgmann

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Lowest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment


Underlying data regarding Complex Hazard Assessment