Categorization Results from the Canadian Domestic Substance List
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Substance Identity
CAS Number
68476-55-1
Chemical Name
Hydrocarbons, C5-rich
Type of substance
UVCB-organic
SMILES
CCCCC
Moiety of concern
organic
Categorization Results
Meets Government of Canada Categorization Criteria?
Yes
Meets Human Health Categorization Criteria?
Yes
Meets Environmental Criteria for Categorization?
No
Persistent (P)?
Yes
Bioaccumulative (B)?
No
Inherently Toxic to Aquatic Organisms (iT)?
No
DSL Quantity range (tonnes/year)
>1000T
Ecological data supporting decisions
Underlying data regarding persistence
Underlying data regarding Bioaccumulation
Underlying data regarding inherent toxicity to aquatic organisms
Pivotal value for iT (mg/l)
4.7
Experimental result iT (mg/l)
4.7
Robust Study Summary iT
68476551-AT-48hEC50-damag.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1
13.5
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g
9.468
Toxicity to fish (LC50 in mg/l) as predicted by Aster
3.357954
Toxicity to fish (LC50 in mg/l) as predicted by PNN
11.08592
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1
275.2
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g
1.543
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g
0.78
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g
9.47E-002
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
Agency
Assessment
EC
Carcinogenicity - Category 2
Underlying data regarding Complex Hazard Assessment